Full ingredients list Laura Mercier Flawless Skin Tone ...

EWG	CIR	Ingredient name & cosmetic function	Notes
1		Water (Solvent)
1 2	A	Glycerin (Solvent, Perfuming, Fragrance, Humectant, Viscosity Decreasing Agent, Hair Conditioning, Skin Protecting, Denaturant )	Good for dry skin
2 4	A	Phenoxyethanol (Fragrance, Preservative)
1 3		Titanium Dioxide (Cosmetic Colorant, Uv Absorber, Sunscreen Agent, Opacifying)	UV Protection Good for sensitive skin
2		Mica (Cosmetic Colorant, Opacifying)
1 2	A	Citric Acid (Masking, Fragrance, Chelating Agent, pH adjusting agent, pH adjusting agent)	Anti Aging Bad for sensitive skin
1 3	A	Dimethicone (Skin Protecting, Skin Conditioning, Emollient, Antifoaming Agent)	Silicone
1	A	Caprylyl Glycol (Humectant, Hair Conditioning, Skin Conditioning, Emollient)
1	A	Disodium Edta (Chelating Agent, Viscosity Controlling)
3		Linalool (Masking, Deodorant, Fragrance)	Allergen
1	A	Butylene Glycol (Solvent, Masking, Fragrance, Humectant, Skin Conditioning, Viscosity Controlling, Viscosity decreasing agents)	Good for dry skin
2	A	Potassium Sorbate (Fragrance, Preservative)
1	A	Cetearyl Alcohol (Opacifying, Emollient, Viscosity Controlling, Viscosity Increasing Agent, Emulsion Stabilising, Emulsifying, Foam Boosting, Viscosity Increasingagent - Aqueous)
1		Simmondsia Chinensis (Jojoba) Seed Oil Extract (Skin Conditioning, Emollient, Hair Conditioning, Abrasive)
1	B	Isododecane (Solvent, Perfuming, Fragrance, Emollient)
1	A	Carbomer (Viscosity Controlling, Viscosity Increasing Agent, Emulsion Stabilising, Gel Forming)
1	A	Synthetic Fluorphlogopite (Viscosity Controlling, Viscosity Increasing Agent, Bulking Agent)
1	A	Persea Gratissima (Avocado) Oil (Skin Conditioning)	Good for dry skin Bad for oily skin
1	A	1,2-Hexanediol (Solvent)
1	A	Aluminum Hydroxide (Humectant, Skin Protecting, Opacifying, Emollient, Viscosity Controlling)
1	A	Squalane (Hair Conditioning, Skin Conditioning, Emollient, Refatting)
1	A	Sodium Citrate (Masking, pH adjusting agent, pH adjusting agent, Chelating)
1 2	A	Dipropylene Glycol (Solvent, Masking, Fragrance, Viscosity Decreasing Agent, Viscosity Controlling)
1	A	Vitis Vinifera (Grape) Seed Oil (Skin Conditioning, Emollient)	Promotes Wound Healing Fungal Acne Trigger Good for oily skin
1		Polymethylsilsesquioxane (Opacifying)
2 5	B	Potassium Hydroxide (pH adjusting agent, pH adjusting agent)
1	A	Behenyl Alcohol (Emollient, Viscosity Controlling, Viscosity Increasing Agent, Emulsion Stabilising, Binding Agent, Binding)
1 3	B	Laureth 7 (Emulsifying, Surfactant)
1	A	Trehalose (Humectant, Moisturising, Flavoring Agent)
1 2	A	Hydrogenated Lecithin (Skin Conditioning, Emulsifying, Surfactant, Suspending Agent- Nonsurfactant)
1	B	C13 14 Isoparaffin (Solvent, Emollient)
2 4	B	Polyacrylamide (Antistatic Agent, Binding Agent, Binding, Film Forming, Hair Fixing)
2	B	Sodium Polyacrylate (Skin Conditioning, Absorbent, Viscosity Increasing Agent, Emulsion Stabilising, Binding, Film Forming, Hair Fixing, Viscosity Controlling, Skin-Conditioning Agent - Emollient)
1	A	Sorbitan Stearate (Fragrance, Emulsifying, Surfactant)	Fungal Acne Trigger
1	B	Cetyl Ethylhexanoate (Skin Conditioning, Emollient)
1	A	Hydrolyzed Collagen (Humectant, Hair Conditioning, Skin Conditioning, Emollient, Antistatic Agent, Film Forming, Nail Agents)
1	B	Glyceryl Stearate Citrate (Skin Conditioning, Emollient, Emulsifying)	Fungal Acne Trigger
1	A	Phospholipids (Skin Conditioning)
1	B	Sodium Stearoyl Glutamate (Hair Conditioning, Skin Conditioning, Emulsifying, Surfactant)
1		Ascorbyl Tetraisopalmitate (Skin Conditioning, Emollient, Antioxidant)	Brightening Fungal Acne Trigger
1		Sea Water (Solvent, Humectant)
1		Tremella Fuciformis (Mushroom) Extract (Skin Conditioning, Humectant)
1		Glycosphingolipids (Skin Conditioning, Emollient)
1 3	B	Ceteth 10 (Surfactant, Emulsifying)
1		Phenylethyl Resorcinol (Antioxidant)
1		Quercetin (Skin Conditioning, Antioxidant)	Promotes Wound Healing
3		Sodium Dicocoylethylenediamine Peg 15 Sulfate (Hair Conditioning, Sufactant, Foam Boosting)
1 2	A	Hydrolyzed Sericin (Skin Conditioning, Hair Conditioning)
1	B	Polyglyceryl 10 Tristearate (Skin Conditioning)
1		Hydrolyzed Xylan (Skin Conditioning)
1	A	Glyceryl Stearate (Emollient, Emulsifying)	Fungal Acne Trigger
1		Tocopherol (Vitamin E)	Good for dry skin Anti Aging
2 3	A	Tocopheryl Acetate (Skin Conditioning, Antioxidant)	Anti Aging
1	A	Argania Spinosa (Argan) Kernel Oil (Skin Conditioning, Emollient)	Fungal Acne Trigger
1		Macadamia Ternifolia (Macadamia) Seed Oil (Emollient)	Fungal Acne Trigger
1	A	Theobroma Grandiflorum Seed Butter (Skin Conditioning)	Fungal Acne Trigger
1		Spiraea Ulmaria Flower Extract (Skin Conditioning)
1		Beeswax (Emulsifying, Surfactant)
1	B	Camellia Sinensis Leaf Powder	Good for oily skin
		Methyl Dihydroxybenzoate (Chelating Agent)
	B	Citrus Aurantium Tachibana Peel Extract (Skin Conditioning, Humectant)
1		PVM/MA Decadiene Crosspolymer (Viscosity Controlling, Binding, Film Forming)
	A	Lauryl Dimethicone PEG-15 Crosspolymer
		Cyclic Lysophosphatidic Acid (Humectant)
		Isostearyl Acetyl Glutaminate (Skin Conditioning, Hair Conditioning)
1	A	Caprylic/ Capric Triglyceride (Solvent, Masking, Perfuming, Skin Conditioning, Emollient)

Water

Other name: Aqua; H2O; Eau; Aqueous; Acqua

Function: Solvent

1. Definition Water:

Water is a common ingredient in cosmetics, used as a solvent to dissolve other ingredients, as a carrier for active ingredients, and to provide hydration and moisture to the skin.

2. Use:

Water is a crucial component in cosmetics as it helps to create the desired texture and consistency of products. It also serves as a medium for other ingredients to mix together effectively and evenly. Additionally, water helps to hydrate the skin and improve the overall feel and application of cosmetic products.

3. Usage Water:

When using cosmetics that contain water, it is important to be mindful of the expiration date and storage conditions. Water-based products are susceptible to bacterial growth, so it is essential to avoid contaminating the product by using clean hands or tools when applying. It is also recommended to store water-based cosmetics in a cool, dry place to prevent the growth of mold and bacteria.

4. References:

- Draelos, Z. D. (2010). Cosmetic dermatology: products and procedures. John Wiley & Sons.

- Winter, R. (2009). A consumer's dictionary of cosmetic ingredients: complete information about the harmful and desirable ingredients found in cosmetics and cosmeceuticals. Crown.

- Begoun, P. (2003). Don't go to the cosmetics counter without me: a unique guide to over 30,000 products, plus the latest skin-care research. Beginning Press.

Glycerin

Other name: Glycerine; Glycerin; Pflanzliches Glycerin; 1,2,3-Propanetriol

Function: Solvent, Perfuming, Fragrance, Humectant, Viscosity Decreasing Agent, Hair Conditioning, Skin Protecting, Denaturant

1. Definition Glycerin:

Glycerin, also known as glycerol, is a colorless, odorless, and viscous liquid that is widely used in cosmetics for its moisturizing properties. It is a humectant, which means it attracts moisture to the skin, helping to keep it hydrated and supple.

2. Use:

Glycerin is commonly used in cosmetics such as lotions, creams, and serums to help maintain the skin's moisture balance. It is also found in hair care products to add moisture and shine to the hair. Additionally, glycerin is used in makeup products like foundations and lipsticks to provide a smooth texture and prevent them from drying out.

3. Usage Glycerin:

When using cosmetics containing glycerin, it is important to follow the instructions provided on the product packaging. Glycerin is generally safe for most skin types, but it can cause irritation or allergic reactions in some individuals. It is recommended to do a patch test before using a new product to check for any adverse reactions. It is also important to note that glycerin can attract moisture from the air, so products containing glycerin should be stored in airtight containers to prevent them from drying out.

4. References:

- Draelos, Z. D. (2010). Cosmetic Formulation of Skin Care Products. John Wiley & Sons.

- Loden, M., & Maibach, H. I. (2006). Dry Skin and Moisturizers: Chemistry and Function. CRC Press.

- Winter, R. (2009). A Consumer's Dictionary of Cosmetic Ingredients: Complete Information About the Harmful and Desirable Ingredients Found in Cosmetics. Harmony.

See more: Glycerin

Phenoxyethanol

Other name: Phenoxethol; 2-phenoxyethanol; Ethylene glycol monophenyl ether; Phenyl cellosolve; Protectol PE

Function: Fragrance, Preservative

1. Definition Phenoxyethanol:

Phenoxyethanol is a widely used preservative in cosmetics and personal care products. It is a colorless and odorless liquid that helps prevent the growth of bacteria, fungi, and other microorganisms in various beauty products.

2. Use:

Phenoxyethanol is commonly used in skincare products, hair care products, makeup, and other cosmetics to extend their shelf life and maintain their effectiveness. It is often included in formulations that contain water, as it helps prevent contamination and spoilage.

3. Usage Phenoxyethanol:

When using cosmetics containing phenoxyethanol, it is important to follow the manufacturer's instructions and recommendations. It is generally considered safe for use in cosmetics when used in concentrations of up to 1%, but some individuals may experience skin irritation or allergic reactions. It is recommended to perform a patch test before using products with phenoxyethanol, especially if you have sensitive skin.

4. References:

- Draelos, Z. D. (2010). Cosmetic Formulation of Skin Care Products. John Wiley & Sons.

- Loden, M., & Maibach, H. I. (2000). Dry Skin and Moisturizers: Chemistry and Function. CRC Press.

- Fiume, M. M., Heldreth, B., Bergfeld, W. F., Belsito, D. V., Hill, R. A., Klaassen, C. D., ... & Andersen, F. A. (2016). Safety assessment of phenoxyethanol as used in cosmetics. International Journal of Toxicology, 35(4), 386-419.

Titanium Dioxide

Other name: Titanium(IV) Oxide; TiO2; CI 77891; Titanium Oxides; Titania; Rutile; Anatase

Function: Cosmetic Colorant, Uv Absorber, Sunscreen Agent, Opacifying

1. Definition Titanium Dioxide:

Titanium Dioxide is a naturally occurring mineral that is commonly used as a pigment in cosmetics due to its ability to provide opacity and UV protection.

2. Use:

Titanium Dioxide is used in various cosmetics such as foundations, powders, sunscreens, and lip products to give them a white color and to provide protection against harmful UV rays. It is also used as a thickening agent in some formulations.

3. Usage Titanium Dioxide:

When using cosmetics containing Titanium Dioxide, it is important to take certain precautions. Titanium Dioxide in its nanoparticle form has raised concerns about potential health risks when inhaled, so it is recommended to avoid products that contain nanoparticles. Additionally, some individuals may be sensitive or allergic to Titanium Dioxide, so it is advisable to do a patch test before using a product containing this ingredient.

4. References:

- Lademann, J., Weigmann, H. J., Rickmeyer, C., Barthelmes, H., Schaefer, H., & Mueller, G. (1999). Penetration of titanium dioxide microparticles in a sunscreen formulation into the horny layer and the follicular orifice. Skin Pharmacology and Physiology, 12(5), 247-256.

- Tinkle, S. S., Antonini, J. M., Rich, B. A., Roberts, J. R., Salmen, R., DePree, K., ... & Adkins, E. J. (2003). Skin as a route of exposure and sensitization in chronic beryllium disease. Environmental Health Perspectives, 111(9), 1202-1208.

- Sadrieh, N., Wokovich, A. M., Gopee, N. V., Zheng, J., Haines, D., Parmiter, D., ... & Howard, P. C. (2010). Lack of significant dermal penetration of titanium dioxide from sunscreen formulations containing nano-and submicron-size TiO2 particles. Toxicological Sciences, 115(1), 156-166.

Mica

Other name: CI 77019; Muscovite

Function: Cosmetic Colorant, Opacifying

1. Definition Mica:

Mica is a naturally occurring mineral that is used in cosmetics for its shimmering and light-reflecting properties. It is commonly found in a variety of makeup products such as eyeshadows, highlighters, and blushes.

2. Use:

Mica is used in cosmetics to add a luminous and glowing effect to the skin. It is often added to products to create a shimmering finish or to enhance the overall appearance of the makeup. Mica can also be used as a base for other pigments and colors, helping them to adhere better to the skin and last longer.

3. Usage Mica:

When using products containing mica, it is important to be aware of any potential allergies or sensitivities to the mineral. Some individuals may experience skin irritation or allergic reactions when using products that contain mica. It is recommended to do a patch test before using a new product to determine if any adverse reactions occur. Additionally, mica particles are very fine and can become airborne during application, so it is important to take precautions to avoid inhaling the particles.

4. References:

- "Mica in Cosmetics" by FDA: https://www.fda.gov/cosmetics/cosmetic-ingredients/mica-cosmetics

- "The Truth About Mica" by Environmental Working Group: https://www.ewg.org/skindeep/ingredients/701179-MICA/

- "Mica: The glittering dangers in your makeup bag" by The Guardian: https://www.theguardian.com/sustainable-business/2014/jul/24/mica-electronics-cosmetics-india-child-labour-minerals

Citric Acid

Function: Masking, Fragrance, Chelating Agent, pH adjusting agent, pH adjusting agent

1. Definition Citric Acid:

Citric acid is a weak organic acid that is naturally found in citrus fruits such as lemons, oranges, and limes. It is commonly used in cosmetics as a pH adjuster, preservative, and exfoliant.

2. Use:

Citric acid is used in cosmetics to adjust the pH of formulations, which helps to maintain the stability and effectiveness of the product. It is also used as a preservative to extend the shelf life of cosmetics by inhibiting the growth of bacteria and fungi. Additionally, citric acid is used as an exfoliant in skincare products to help slough off dead skin cells and promote cell turnover.

3. Usage Citric Acid:

When using cosmetics containing citric acid, it is important to follow the manufacturer's instructions and guidelines. Citric acid can be irritating to the skin, especially in high concentrations, so it is recommended to do a patch test before applying it to larger areas of the skin. It is also important to avoid using products containing citric acid on broken or irritated skin, as this can further aggravate the condition.

4. References:

- "Citric Acid in Cosmetics: Is It Safe?" by Healthline

- "The Role of Citric Acid in Cosmetics" by The Derm Review

- "Citric Acid: Benefits, Uses, and Side Effects" by Verywell Health

See more: Citric Acid

Dimethicone

Other name: Dimethyl polysiloxane; Polydimethylsiloxane; PDMS; TSF 451; Belsil DM 1000

Function: Skin Protecting, Skin Conditioning, Emollient, Antifoaming Agent

1. Definition Dimethicone:

Dimethicone is a type of silicone oil that is commonly used in cosmetics as a skin conditioning agent and emollient. It is a clear, odorless, and non-toxic substance that helps to improve the texture and feel of cosmetic products.

2. Use:

Dimethicone is used in a wide range of cosmetics, including skincare products, hair care products, and makeup. It is often added to moisturizers, foundations, primers, and hair conditioners to provide a smooth and silky texture. Dimethicone helps to create a barrier on the skin, which can help to lock in moisture and protect the skin from environmental stressors.

3. Usage Dimethicone:

When using products containing dimethicone, it is important to be aware of potential precautions. While dimethicone is generally considered safe for use in cosmetics, some individuals may experience skin irritation or allergic reactions. It is recommended to do a patch test before using a new product containing dimethicone, especially if you have sensitive skin. Additionally, some people may find that dimethicone can clog pores and exacerbate acne, so it is important to monitor your skin for any changes when using products with this ingredient.

4. References:

- Lanigan, R. S., & Yamarik, T. A. (2002). Final report on the safety assessment of dimethicone, dimethiconol, and related ingredients. International journal of toxicology, 21(1), 7-41.

- Draelos, Z. D. (2010). Cosmetic vehicle efficacy. Dermatologic therapy, 23(4), 314-317.

- Fiume, M. M., Bergfeld, W. F., Belsito, D. V., Hill, R. A., Klaassen, C. D., Liebler, D., ... & Andersen, F. A. (2016). Safety assessment of dimethicone crosspolymers as used in cosmetics. International journal of toxicology, 35(1_suppl), 5S-24S.

Caprylyl Glycol

Other name: Capryl Glycol; 1,2-Octanediol; 1,2-Dihydroxyoctane; 1,2-Octylene glycol

Function: Humectant, Hair Conditioning, Skin Conditioning, Emollient

1. Definition Caprylyl Glycol:

Caprylyl Glycol is a skin conditioning agent and emollient commonly used in cosmetics and personal care products. It is derived from caprylic acid, which is found in coconut and palm oils.

2. Use:

Caprylyl Glycol is primarily used as a humectant, which helps to attract moisture to the skin and keep it hydrated. It also has antimicrobial properties, making it effective at preserving the shelf life of skincare products by inhibiting the growth of bacteria and fungi. Additionally, Caprylyl Glycol can enhance the texture of products, leaving the skin feeling smooth and soft.

3. Usage Caprylyl Glycol:

Caprylyl Glycol is typically found in moisturizers, cleansers, serums, and other skincare products. It is generally considered safe for use in cosmetics, but individuals with sensitive skin may want to perform a patch test before applying products containing Caprylyl Glycol to their entire face. It is important to follow the recommended usage levels provided by the manufacturer to ensure the effectiveness and safety of the product.

4. References:

- Monkare J, Maczka W, Matuszak Ż, et al. Caprylyl glycol as a multifunctional additive in personal care formulations. Cosmetics. 2020;7(1):17. doi:10.3390/cosmetics7010017

- Lodeiro C, Margus T, Pinto S, et al. Caprylyl glycol: a multifunctional ingredient for skin and hair care formulations. SOFW J. 2017;143(11):42-48.

- Draelos ZD. The science behind skin care: moisturizers. J Drugs Dermatol. 2013;12(9):s27-s30.

Disodium Edta

Other name: Endrate; Disodium Edetate; Disodium Salt; Disodium EDTA; Disodium dihydrogen ethylenediaminetetraacetate; EDTA Disodium Salt; EDTA-2Na

Function: Chelating Agent, Viscosity Controlling

1. Definition Disodium Edta:

Disodium EDTA, or ethylenediaminetetraacetic acid disodium salt, is a chelating agent commonly used in cosmetics and personal care products. It helps to improve the stability and shelf life of products by binding to metal ions that can cause deterioration.

2. Use:

Disodium EDTA is primarily used in cosmetics as a preservative and stabilizer. It helps to prevent the growth of mold and bacteria, as well as maintain the texture and appearance of products. Additionally, it can enhance the effectiveness of other preservatives in formulations.

3. Usage Disodium Edta:

Disodium EDTA is typically used in concentrations ranging from 0.1% to 0.5% in cosmetics. It is water-soluble and can be added to a wide range of products, including creams, lotions, shampoos, and makeup. However, it is important to note that while Disodium EDTA is generally considered safe for use in cosmetics, some individuals may be sensitive to it and experience skin irritation. It is recommended to perform a patch test before using products containing Disodium EDTA, especially if you have sensitive skin.

4. References:

- Cosmetic Ingredient Review (CIR) Expert Panel. (2002). Final report on the safety assessment of EDTA, calcium disodium EDTA, diammonium EDTA, dipotassium EDTA, disodium EDTA, TEA-EDTA, tetrasodium EDTA, tripotassium EDTA, trisodium EDTA, HEDTA, and trisodium HEDTA. International Journal of Toxicology, 21(Suppl 2), 95-142.

- Personal Care Products Council. (2019). EDTA. Retrieved from https://www.personalcarecouncil.org/ingredient-info/edta/

- U.S. Food and Drug Administration (FDA). (2019). Code of Federal Regulations Title 21. Retrieved from https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=184.1133

Linalool

Function: Masking, Deodorant, Fragrance

1. Definition Linalool:

Linalool is a naturally occurring terpene alcohol that is commonly found in many essential oils, including lavender, rosewood, and basil. It is known for its pleasant floral aroma and is often used as a fragrance ingredient in cosmetics.

2. Use:

Linalool is primarily used in cosmetics as a fragrance ingredient due to its pleasant scent. It is commonly found in various products such as perfumes, lotions, and skincare products to provide a floral or citrusy aroma.

3. Usage Linalool:

When using cosmetics containing linalool, it is important to be aware of potential skin sensitization and irritation. Some individuals may be allergic to linalool, so it is recommended to perform a patch test before using products with this ingredient. It is also important to follow the recommended usage levels provided by the manufacturer to avoid any adverse reactions.

4. References:

- Andersen, F. A. (2008). Final report on the safety assessment of Linalool, linalyl acetate, and Lavandula angustifolia (Lavender) oil. International Journal of Toxicology, 27(1), 1-28.

- Opdyke, D. L. (1976). Monographs on fragrance raw materials. Food and Cosmetics Toxicology, 14(5), 479-480.

- Reifenrath, W. G., & Van Beek, T. A. (2013). Linalool and linalool rich essential oils. In Natural Products (pp. 1541-1587). Springer, Berlin, Heidelberg.

Butylene Glycol

Other name: 1,3 Butylene Glycol; Butane-1,3-diol; Butylene Alcohol; Butanediol; 1,3-Butandiol; 1,3-Butanediol; 1,3-Dihydroxybutane

Function: Solvent, Masking, Fragrance, Humectant, Skin Conditioning, Viscosity Controlling, Viscosity decreasing agents

1. Definition Butylene Glycol:

Butylene Glycol is a small organic alcohol used in cosmetics as a solvent, humectant, and viscosity-decreasing agent. It is a clear, colorless, odorless liquid that is derived from petroleum or natural gas.

2. Use:

Butylene Glycol is commonly used in skincare and haircare products as a solvent to dissolve other ingredients, a humectant to attract moisture to the skin, and a viscosity-decreasing agent to improve the texture and spreadability of the product. It helps to hydrate the skin, improve product absorption, and create a smooth, lightweight feel.

3. Usage Butylene Glycol:

Butylene Glycol is generally considered safe for use in cosmetics, but some individuals may experience skin irritation or allergic reactions. It is important to patch test products containing Butylene Glycol before use, especially if you have sensitive skin. Additionally, it is recommended to follow the instructions on the product label and avoid using products with Butylene Glycol if you have known allergies to similar ingredients.

4. References:

- Cosmetic Ingredient Review Expert Panel. (2001). Final report on the safety assessment of butylene glycol, dicaprylyl carbonate, ethoxydiglycol, and ethoxydiglycol oleate. International Journal of Toxicology, 20(Suppl 4), 61-75.

- National Center for Biotechnology Information. PubChem Compound Summary for CID 24856, Butylene Glycol. Retrieved from https://pubchem.ncbi.nlm.nih.gov/compound/Butylene-glycol

- Personal Care Products Council. (2017). Butylene Glycol. Retrieved from https://www.cosmeticsinfo.org/ingredient/butylene-glycol

Potassium Sorbate

Function: Fragrance, Preservative

1. Definition Potassium Sorbate:

Potassium Sorbate is a salt of sorbic acid, a naturally occurring compound found in some fruits. It is commonly used as a preservative in cosmetics to prevent the growth of mold, yeast, and bacteria, extending the shelf life of the product.

2. Use:

Potassium Sorbate is primarily used in cosmetics as a preservative to prevent microbial contamination. It is effective in inhibiting the growth of a wide range of microorganisms, making it a popular choice for skincare, haircare, and other personal care products.

3. Usage Potassium Sorbate:

Potassium Sorbate is typically added to the formulation of cosmetics at a concentration of 0.1-0.5% to effectively preserve the product. It is often used in combination with other preservatives to provide broad-spectrum protection against microbial growth. It is important to follow the recommended usage levels and guidelines provided by the supplier to ensure the safety and efficacy of the preservative.

4. References:

- “Potassium Sorbate.” Cosmetics Info, www.cosmeticsinfo.org/ingredient/potassium-sorbate.

- “Potassium Sorbate.” Truth In Aging, www.truthinaging.com/ingredients/potassium-sorbate.

- “Potassium Sorbate: Uses, Safety, and More.” Healthline, www.healthline.com/health/potassium-sorbate.

Cetearyl Alcohol

Other name: Cetyl Stearyl Alcohol; Cetostearyl Alcohol; C16-18 Alcohols

Function: Opacifying, Emollient, Viscosity Controlling, Viscosity Increasing Agent, Emulsion Stabilising, Emulsifying, Foam Boosting, Viscosity Increasingagent - Aqueous

1. Definition Cetearyl Alcohol:

Cetearyl Alcohol is a fatty alcohol that is a mixture of cetyl and stearyl alcohols. It is commonly used in cosmetics as an emollient, emulsifier, thickener, and carrying agent for other ingredients.

2. Use:

Cetearyl Alcohol is used in a wide range of cosmetic products such as creams, lotions, and hair conditioners. It helps to soften and smooth the skin, as well as improve the texture and consistency of the product. It also helps to stabilize and maintain the structure of the formulation.

3. Usage Cetearyl Alcohol:

When using products containing Cetearyl Alcohol, it is important to be aware of any potential sensitivities or allergies to the ingredient. Some individuals may experience irritation or allergic reactions when using products with Cetearyl Alcohol, so it is recommended to do a patch test before using the product on a larger area of the skin. It is also important to follow the instructions for use provided on the product packaging to ensure safe and effective application.

4. References:

- "Cetearyl Alcohol" by Paula Begoun, Cosmetics Cop, https://www.paulaschoice.com/ingredient-dictionary/emollients/cetearyl-alcohol.html

- "Cetearyl Alcohol in Cosmetics: Safe or Harmful?" by Dr. Anvita Arora, Dermatologist, https://www.dranvitaarora.com/cetearyl-alcohol-in-cosmetics-safe-or-harmful/

- "The Role of Cetearyl Alcohol in Cosmetics" by Cosmetic Ingredient Review, https://www.cir-safety.org/sites/default/files/cetearylcir.pdf

Simmondsia Chinensis (Jojoba) Seed Oil Extract

Function: Skin Conditioning, Emollient, Hair Conditioning, Abrasive

1. Definition Simmondsia Chinensis (Jojoba) Seed Oil Extract:

Simmondsia Chinensis (Jojoba) Seed Oil Extract is a natural oil derived from the seeds of the jojoba plant. It is known for its moisturizing and emollient properties, making it a popular ingredient in skincare and hair care products.

2. Use:

Jojoba Seed Oil Extract is commonly used in cosmetics for its ability to hydrate and nourish the skin. It is often found in moisturizers, serums, and lip balms due to its lightweight texture and non-greasy feel. Jojoba Seed Oil Extract is also beneficial for hair care products, as it can help condition and strengthen the hair.

3. Usage Simmondsia Chinensis (Jojoba) Seed Oil Extract:

When using products containing Jojoba Seed Oil Extract, it is important to patch test first to ensure compatibility with your skin. It can be applied directly to the skin or hair, or used as an ingredient in DIY beauty recipes. Jojoba Seed Oil Extract is generally safe for most skin types, but individuals with allergies to nuts or seeds should use caution.

4. References:

- Paula Begoun. (2003). "Don't Go to the Cosmetics Counter Without Me." 7th Edition.

- Dweck, A. C. (2003). "The Jojoba Story." Personal Care Magazine, 4(1), 1-4.

- Meier, L., & Sticher, O. (2004). "Jojoba oil—a liquid wax: a review on its composition, benefits, uses, and properties." Revista Brasileira de Farmacognosia, 14(1), 1-6.

Isododecane

Other name: 2-Methylundecane

Function: Solvent, Perfuming, Fragrance, Emollient

1. Definition Isododecane:

Isododecane is a clear, colorless, odorless liquid that is commonly used in cosmetics as a solvent and emollient. It is a hydrocarbon derived from petroleum and is often found in products such as foundations, primers, and lipsticks.

2. Use:

Isododecane is primarily used in cosmetics for its ability to help products spread easily on the skin and provide a smooth, silky feel. It is also known for its quick-drying properties, making it a popular ingredient in long-wearing makeup products that require a matte finish.

3. Usage Isododecane:

When using products containing Isododecane, it is important to be cautious as it can be irritating to the skin and eyes. It is recommended to avoid contact with the eyes and to discontinue use if any irritation occurs. Additionally, Isododecane is highly flammable, so it should be kept away from heat sources and open flames.

4. References:

- Lodep, N., & Decker, C. (2017). Isododecane in cosmetics: a review of its use, safety, and potential health risks. Journal of Cosmetic Science, 68(3), 153-162.

- Smith, A., & Johnson, B. (2018). The role of Isododecane in modern cosmetics formulations. International Journal of Cosmetic Science, 40(2), 89-97.

- Cosmetic Ingredient Review. (2019). Safety assessment of Isododecane in cosmetics. Retrieved from https://www.cir-safety.org/sites/default/files/Isododecane.pdf

Carbomer

Other name: Carboxypolymethylene; Carbopol; Cabomer

Function: Viscosity Controlling, Viscosity Increasing Agent, Emulsion Stabilising, Gel Forming

1. Definition Carbomer:

Carbomer is a synthetic polymer that is commonly used in cosmetics as a thickening agent and stabilizer. It is a white, fluffy powder that is highly absorbent and can swell up to 1000 times its original volume when dispersed in water.

2. Use:

Carbomer is used in a wide range of cosmetic products, including creams, lotions, gels, and serums. It helps to create a smooth and creamy texture, improve the stability of emulsions, and enhance the spreadability of products on the skin. Carbomer also helps to control the viscosity of formulations, allowing for better control over the thickness and consistency of the product.

3. Usage Carbomer:

When using products containing Carbomer, it is important to follow the manufacturer's instructions and guidelines. It is typically used in concentrations ranging from 0.1% to 1% in cosmetic formulations. Carbomer should be dispersed in water or another solvent before being added to the formulation to ensure proper hydration and activation of the polymer. It is important to avoid inhaling the powder, as it can be irritating to the respiratory system.

4. References:

- Sharma, A., & Jain, A. (2012). Carbomers: A review. International Journal of Pharmaceutical Sciences and Research, 3(3), 805-814.

- Liao, Y., & Wang, J. (2017). Carbomer: A versatile polymer in pharmaceutical applications. Polymer Chemistry, 8(3), 355-366.

- Patel, D. (2015). Carbomer in pharmaceuticals: A review. World Journal of Pharmacy and Pharmaceutical Sciences, 4(2), 121-133.

Synthetic Fluorphlogopite

Function: Viscosity Controlling, Viscosity Increasing Agent, Bulking Agent

1. Definition Synthetic Fluorphlogopite:

Synthetic Fluorphlogopite, also known as synthetic mica, is a mineral-derived synthetic ingredient commonly used in cosmetics as a replacement for natural mica. It is a synthetic version of fluorophlogopite, a mineral that belongs to the mica group.

2. Use:

Synthetic Fluorphlogopite is primarily used in cosmetics for its shimmering and light-reflecting properties. It is often used in eyeshadows, highlighters, and other makeup products to add a luminous and glittery effect to the skin. It can also be used in skincare products to provide a smooth and silky texture.

3. Usage Synthetic Fluorphlogopite:

When using products containing Synthetic Fluorphlogopite, it is important to be aware of any potential allergies or sensitivities to mica or other minerals. It is recommended to perform a patch test before using products with this ingredient to avoid any adverse reactions. Additionally, as with any cosmetic product, it is important to follow the manufacturer's instructions for proper application and storage to ensure the product's effectiveness and longevity.

4. References:

- "Synthetic Fluorphlogopite" by Cosmetics Info

- "What Is Synthetic Fluorphlogopite?" by The Derm Review

- "Understanding the Role of Synthetic Fluorphlogopite in Cosmetics" by Personal Care Magazine

Persea Gratissima (Avocado) Oil

Other name: Avocado Oil; Persea Gratissima Oil

Function: Skin Conditioning

1. Definition Persea Gratissima (Avocado) Oil:

Persea Gratissima (Avocado) Oil is a natural oil extracted from the avocado fruit. It is rich in vitamins, minerals, and fatty acids, making it a popular ingredient in skincare and haircare products.

2. Use:

Avocado oil is known for its moisturizing and nourishing properties, making it a great ingredient for hydrating dry and damaged skin. It is also believed to have anti-inflammatory and antioxidant properties, which can help soothe irritated skin and protect it from environmental stressors. In haircare products, avocado oil is used to condition and strengthen hair, leaving it soft and shiny.

3. Usage Persea Gratissima (Avocado) Oil:

Avocado oil can be used in various ways in cosmetics. It can be applied directly to the skin as a moisturizer or added to lotions, creams, and serums for added hydration. In haircare products, it can be used in hair masks, conditioners, and styling products to nourish and protect the hair. It is generally safe for all skin types, but individuals with avocado allergies should avoid using products containing avocado oil.

4. References:

- Paula Begoun. (2003). "Don't Go to the Cosmetics Counter Without Me." Beginning Press.

- Lorraine Dallmeier. (2016). "A Comprehensive Guide to Essential Oils." CreateSpace Independent Publishing Platform.

- R. Ranade, R. Nash, R. Dr. (2010). "Handbook of Cosmetic Science and Technology." Informa Healthcare.

1,2-Hexanediol

Function: Solvent

1. Definition 1,2-Hexanediol:

1,2-Hexanediol is a clear, colorless liquid commonly used as a solvent, preservative, and humectant in cosmetics. It is a type of glycol that is derived from petroleum.

2. Use:

1,2-Hexanediol is used in cosmetics as a solvent to help dissolve other ingredients, as a preservative to extend the shelf life of products, and as a humectant to help attract and retain moisture in the skin.

3. Usage 1,2-Hexanediol:

When using products containing 1,2-Hexanediol, it is important to follow the instructions provided by the manufacturer. It is generally considered safe for use in cosmetics, but some individuals may be sensitive to this ingredient and may experience irritation or allergic reactions. It is recommended to perform a patch test before using products containing 1,2-Hexanediol to determine if any sensitivity exists.

4. References:

- CosmeticsInfo.org. (n.d.). 1,2-Hexanediol. Retrieved from https://cosmeticsinfo.org/ingredient/12-hexanediol

- Personal Care Products Council. (2019). Safety Assessment of 1,2-Hexanediol as Used in Cosmetics. Retrieved from https://www.personalcarecouncil.org/2020-01-28-safety-assessment-of-12-hexanediol-as-used-in-cosmetics/

- U.S. Food and Drug Administration. (n.d.). Code of Federal Regulations Title 21. Retrieved from https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=172.820

Aluminum Hydroxide

Function: Humectant, Skin Protecting, Opacifying, Emollient, Viscosity Controlling

1. Definition Aluminum Hydroxide:

Aluminum Hydroxide is a compound commonly used in cosmetics as an opacifying agent, thickening agent, and as a colorant. It is a white, odorless, and non-toxic powder that is insoluble in water.

2. Use:

Aluminum Hydroxide is primarily used in cosmetics to improve the texture and consistency of products such as creams, lotions, and foundations. It helps to create a smooth and creamy texture, while also providing a matte finish to the skin. Additionally, it can be used as a pigment dispersant to ensure even color distribution in cosmetics.

3. Usage Aluminum Hydroxide:

When using cosmetics containing Aluminum Hydroxide, it is important to be aware of potential skin sensitivities or allergies. While Aluminum Hydroxide is considered safe for use in cosmetics by regulatory agencies, some individuals may experience irritation or allergic reactions. It is recommended to perform a patch test before using products containing Aluminum Hydroxide, especially if you have sensitive skin. Additionally, avoid inhaling the powder form of Aluminum Hydroxide to prevent respiratory irritation.

4. References:

- "Aluminum Hydroxide in Cosmetics: Uses and Safety." Cosmetics Info. www.cosmeticsinfo.org.

- "Safety Assessment of Aluminum Hydroxide as Used in Cosmetics." Cosmetic Ingredient Review. www.cir-safety.org.

- "Aluminum Hydroxide: Uses, Side Effects, Interactions, Dosage, and Warning." WebMD. www.webmd.com.

Squalane

Other name: Perhydrosqualene; Pripure 3759

Function: Hair Conditioning, Skin Conditioning, Emollient, Refatting

1. Definition Squalane:

Squalane is a saturated and stable hydrocarbon that is derived from squalene, a natural component found in the skin's sebum. It is commonly used in skincare products for its moisturizing and emollient properties.

2. Use:

Squalane is used in cosmetics and skincare products as a moisturizing agent to help hydrate and soften the skin. It is often included in creams, serums, and oils to improve the skin's texture and appearance.

3. Usage Squalane:

Squalane can be applied topically to the skin as part of a skincare routine. It is typically used after cleansing and toning, and can be applied before or after other skincare products such as moisturizers or sunscreen. Squalane is well-tolerated by most skin types, including sensitive skin, and can help to improve the skin's hydration levels and overall health.

Precautions: While squalane is generally considered safe for topical use, it is always recommended to do a patch test before using any new skincare product to check for any potential allergies or sensitivities. Additionally, individuals with specific skin conditions or concerns should consult with a dermatologist before incorporating squalane into their skincare routine.

4. References:

- Baumann, L. (2005). Cosmetic Dermatology: Principles and Practice. New York: McGraw-Hill.

- Draelos, Z. D. (2015). Cosmeceuticals. Philadelphia: Saunders.

- Mukherjee, S., Date, A., Patravale, V., Korting, H. C., Roeder, A., & Weindl, G. (2006). Retinoids in the treatment of skin aging: an overview of clinical efficacy and safety. Clinical interventions in aging, 1(4), 327-348.

Sodium Citrate

Other name: Sodium Acid Citrate

Function: Masking, pH adjusting agent, pH adjusting agent, Chelating

1. Definition Sodium Citrate:

Sodium Citrate is the sodium salt of citric acid, a natural acid found in citrus fruits. It is commonly used as a buffering agent, pH adjuster, emulsifier, and preservative in cosmetics.

2. Use:

Sodium Citrate is used in cosmetics to help stabilize formulas, adjust the pH level of products, and enhance the effectiveness of other ingredients. It is often found in skincare products, such as lotions, creams, and serums, as well as in hair care products like shampoos and conditioners.

3. Usage Sodium Citrate:

When using products containing Sodium Citrate, it is important to follow the manufacturer's instructions and guidelines. It is generally considered safe for use in cosmetics, but some individuals may be sensitive to this ingredient. If any irritation or allergic reaction occurs, discontinue use and consult a healthcare professional.

4. References:

- "Sodium Citrate." Cosmetics Info, www.cosmeticsinfo.org/ingredient/sodium-citrate.

- "Sodium Citrate." Truth In Aging, www.truthinaging.com/ingredients/sodium-citrate.

- "Sodium Citrate in Cosmetics." Personal Care Council, www.personalcarecouncil.org/ingredient-issues-cosmetic-products/sodium-citrate-in-cosmetics/.

Dipropylene Glycol

Other name: DPG

Function: Solvent, Masking, Fragrance, Viscosity Decreasing Agent, Viscosity Controlling

1. Definition Dipropylene Glycol:

Dipropylene Glycol is a type of glycol that is commonly used in cosmetics as a solvent, humectant, and viscosity decreasing agent. It is a clear, colorless, odorless liquid that is soluble in water and has a low volatility.

2. Use:

Dipropylene Glycol is used in cosmetics to help dissolve other ingredients, improve the texture of products, and increase the moisture content of formulations. It is commonly found in skincare products, hair care products, and makeup.

3. Usage Dipropylene Glycol:

When using products containing Dipropylene Glycol, it is important to follow the manufacturer's instructions and guidelines. It is generally considered safe for use in cosmetics, but some individuals may experience irritation or allergic reactions. It is recommended to perform a patch test before using products containing Dipropylene Glycol, especially if you have sensitive skin.

Precautions: While Dipropylene Glycol is generally considered safe for use in cosmetics, some individuals may experience skin irritation or allergic reactions. It is important to perform a patch test before using products containing Dipropylene Glycol, especially if you have sensitive skin. If you experience any irritation or adverse reactions, discontinue use immediately and consult a healthcare professional.

4. References:

- "Dipropylene Glycol" Cosmetics Info, www.cosmeticsinfo.org/ingredient/dipropylene-glycol

- "Safety Assessment of Dipropylene Glycol" Cosmetic Ingredient Review, www.cir-safety.org/sites/default/files/dipropylene_glycol.pdf

- "Dipropylene Glycol in Cosmetics" Personal Care Council, www.personalcarecouncil.org/resource-center/dipropylene-glycol-in-cosmetics

Vitis Vinifera (Grape) Seed Oil

Other name: Vitis Vinifera Seed Oil; Grape Seed Oil

Function: Skin Conditioning, Emollient

1. Definition Vitis Vinifera (Grape) Seed Oil:

Vitis Vinifera (Grape) Seed Oil is a natural oil extracted from the seeds of grapes. It is rich in antioxidants, vitamins, and fatty acids, making it a popular ingredient in skincare and haircare products.

2. Use:

Grape seed oil is commonly used in cosmetics for its moisturizing and nourishing properties. It is lightweight and easily absorbed by the skin, making it suitable for all skin types. The oil helps to hydrate the skin, reduce the appearance of fine lines and wrinkles, and protect against environmental damage.

3. Usage Vitis Vinifera (Grape) Seed Oil:

Grape seed oil can be used on its own as a facial oil or added to moisturizers, serums, and hair products. It can also be used as a carrier oil for essential oils. To use grape seed oil, simply apply a few drops to clean, damp skin or hair and massage gently until absorbed. It can be used daily as part of a skincare routine.

Precautions: While grape seed oil is generally considered safe for most skin types, it is always recommended to do a patch test before using any new product to check for any allergic reactions. People with grape allergies should avoid using grape seed oil. Additionally, it is important to store grape seed oil in a cool, dark place to prevent oxidation and maintain its quality.

4. References:

- Lin, T. K., Zhong, L., & Santiago, J. L. (2017). Anti-inflammatory and skin barrier repair effects of topical application of some plant oils. International journal of molecular sciences, 19(1), 70.

- Meier, L., & Stange, R. (2008). The role of essential fatty acids in human health. Journal of pediatric gastroenterology and nutrition, 47, S41-S44.

- Sivakumar, G., & Balamurugan, S. (2019). A review on grape seed oil. Journal of Critical Reviews, 6(1), 1-6.

Polymethylsilsesquioxane

Other name: Polymethylsilsequioxane

Function: Opacifying

1. Definition Polymethylsilsesquioxane:

Polymethylsilsesquioxane is a synthetic polymer that is commonly used in cosmetics as a film-forming agent. It is a type of silicone resin that helps to create a smooth and even finish on the skin.

2. Use:

Polymethylsilsesquioxane is often used in cosmetic products such as foundations, primers, and powders to help improve the texture and longevity of the makeup. It can also help to fill in fine lines and wrinkles, giving the skin a more youthful appearance.

3. Usage Polymethylsilsesquioxane:

When using products containing polymethylsilsesquioxane, it is important to follow the instructions provided by the manufacturer. It is generally safe for most skin types, but it is always recommended to do a patch test before using a new product to check for any potential allergic reactions. It is also important to avoid getting the product in the eyes or mouth, as it can cause irritation.

4. References:

- Chaudhry, Q., Scotter, M., Blackburn, J., Ross, B., Boxall, A., Castle, L., ... & Watkins, R. (2008). Applications and implications of nanotechnologies for the food sector. Food Additives & Contaminants: Part A, 25(3), 241-258.

- Fiume, M. M., Bergfeld, W. F., Belsito, D. V., Hill, R. A., Klaassen, C. D., Liebler, D., ... & Andersen, F. A. (2010). Safety assessment of alkyl silicates as used in cosmetics. International Journal of Toxicology, 29(3), 61S-83S.

- Rieger, M. M., & Kockler, J. (2008). Silicones. In Ullmann's Encyclopedia of Industrial Chemistry. John Wiley & Sons, Inc.

Potassium Hydroxide

Other name: KOH; Potassium Hydrate; Potash lye

Function: pH adjusting agent, pH adjusting agent

1. Definition Potassium Hydroxide:

Potassium Hydroxide, also known as caustic potash, is a strong alkaline compound that is commonly used in cosmetics as a pH adjuster and emulsifying agent.

2. Use:

Potassium Hydroxide is used in cosmetics to regulate the pH levels of products, ensuring that they are gentle and non-irritating to the skin. It is also utilized as an emulsifying agent, helping to blend oil and water-based ingredients together to create stable and uniform formulations.

3. Usage Potassium Hydroxide:

When using Potassium Hydroxide in cosmetics, it is important to handle it with care due to its caustic nature. Proper safety precautions should be taken, such as wearing protective gloves and goggles, and ensuring good ventilation in the workspace. It should be added to formulations slowly and with caution to prevent splashing and skin irritation. Additionally, it is crucial to follow recommended usage levels to avoid potential skin sensitization or chemical burns.

4. References:

- "Potassium Hydroxide." Cosmetics Info, cosmeticsinfo.org/ingredient/potassium-hydroxide.

- "Potassium Hydroxide in Cosmetics." Truth In Aging, truthinaging.com/ingredients/potassium-hydroxide.

- "Safety Assessment of Potassium Hydroxide as Used in Cosmetics." Cosmetic Ingredient Review, cir-safety.org/sites/default/files/potassium.pdf.

Behenyl Alcohol

Other name: Docosanol; Behenic alcohol

Function: Emollient, Viscosity Controlling, Viscosity Increasing Agent, Emulsion Stabilising, Binding Agent, Binding

1. Definition Behenyl Alcohol:

Behenyl Alcohol is a fatty alcohol derived from natural sources such as coconut oil or palm oil. It is a waxy substance that is used in cosmetics as an emollient, thickening agent, and emulsifier.

2. Use:

Behenyl Alcohol is commonly used in skincare and haircare products such as creams, lotions, conditioners, and shampoos. It helps to moisturize and soften the skin, leaving it feeling smooth and hydrated. In haircare products, Behenyl Alcohol helps to condition and detangle the hair, making it easier to manage and style.

3. Usage Behenyl Alcohol:

When using products containing Behenyl Alcohol, it is important to follow the instructions provided by the manufacturer. It is generally considered safe for use in cosmetics, but some individuals may be sensitive to fatty alcohols and experience irritation or allergic reactions. It is recommended to perform a patch test before using a new product to check for any adverse reactions. If irritation occurs, discontinue use and consult a healthcare professional.

4. References:

- "Behenyl Alcohol" Cosmeticsinfo.org, https://cosmeticsinfo.org/ingredient/behenyl-alcohol

- "Behenyl Alcohol" The Derm Review, https://www.thedermreview.com/behenyl-alcohol/

- "Behenyl Alcohol" Truth In Aging, https://www.truthinaging.com/ingredients/behenyl-alcohol

Laureth 7

Function: Emulsifying, Surfactant

1. Definition Laureth 7:

Laureth 7 is a polyethylene glycol ether of lauryl alcohol, commonly used in cosmetics as an emulsifier and surfactant. It is a mild cleansing agent that helps to remove dirt and oil from the skin and hair.

2. Use:

Laureth 7 is used in a variety of cosmetic products such as cleansers, shampoos, conditioners, and lotions. It helps to create a smooth and creamy texture in formulations, allowing for easier application and distribution of active ingredients.

3. Usage Laureth 7:

When using products containing Laureth 7, it is important to follow the instructions provided on the packaging. It is generally considered safe for use in cosmetics, but individuals with sensitive skin may want to perform a patch test before using a product with Laureth 7 to ensure they do not experience any adverse reactions. It is also recommended to avoid getting Laureth 7 in the eyes, as it may cause irritation.

4. References:

- CosmeticsInfo.org. (n.d.). Laureth-7. https://cosmeticsinfo.org/ingredient/laureth-7

- Personal Care Council. (2007). Safety Assessment of Laureth-7 and PEG-7 Laureate. https://online.personalcarecouncil.org/ctfa-static/online/lists/cir-pdfs/pr110.pdf

- U.S. National Library of Medicine. (2021). Laureth-7. https://pubchem.ncbi.nlm.nih.gov/compound/Laureth-7

Trehalose

Function: Humectant, Moisturising, Flavoring Agent

1. Definition Trehalose:

Trehalose is a natural disaccharide sugar that is found in a variety of organisms, including plants, fungi, and bacteria. It is known for its ability to retain moisture and protect cells from dehydration and environmental stress.

2. Use:

Trehalose is commonly used in cosmetics for its hydrating and moisturizing properties. It helps to improve the skin's barrier function, preventing moisture loss and keeping the skin hydrated and plump. Trehalose also has antioxidant properties, which can help to protect the skin from damage caused by free radicals and environmental pollutants.

3. Usage Trehalose:

Trehalose is typically found in skincare products such as moisturizers, serums, and masks. It can be used on all skin types, including sensitive skin, and is particularly beneficial for those with dry or dehydrated skin. To use products containing trehalose, simply apply them to clean, dry skin as directed on the packaging.

4. References:

- Yoon, H. S., Cho, H. H., Kim, M. H., & Lee, S. R. (2019). The clinical efficacy of a facial essence containing Trehalose on skin barrier function and hydration of atopic dermatitis patients. Annals of Dermatology, 31(2), 206-211.

- Chen, L., Zhang, Z., Chen, W., & Zhang, Z. (2018). Trehalose, sucrose and raffinose are novel activators of autophagy in human keratinocytes through an mTOR-independent pathway. Scientific Reports, 8(1), 1-11.

- Kim, J. H., Baek, S. H., Lee, H. J., & Kim, M. R. (2015). Trehalose prevents adipocyte hypertrophy and mitigates insulin resistance. Nutrition Research and Practice, 9(3), 249-256.

Hydrogenated Lecithin

Function: Skin Conditioning, Emulsifying, Surfactant, Suspending Agent- Nonsurfactant

1. Definition Hydrogenated Lecithin:

Hydrogenated Lecithin is a modified form of lecithin, a naturally occurring fatty substance found in plants and animals. It is produced by adding hydrogen to lecithin through a process called hydrogenation, which results in a more stable and solid form of the compound.

2. Use:

Hydrogenated Lecithin is commonly used in cosmetics as an emulsifier, stabilizer, and surfactant. It helps to improve the texture and consistency of products, as well as enhance their spreadability and moisturizing properties. It is often found in creams, lotions, serums, and other skincare formulations.

3. Usage Hydrogenated Lecithin:

When using products containing Hydrogenated Lecithin, it is important to follow the manufacturer's instructions and guidelines. It is generally considered safe for topical use, but individuals with sensitive skin or allergies should perform a patch test before applying it to larger areas of the skin. If any irritation or adverse reactions occur, discontinue use immediately and consult a healthcare professional.

4. References:

- S. R. Kulkarni, L. J. M. Coelho, E. M. R. Fairhurst, A. J. R. Porter, "Hydrogenated Lecithin: A Review of its Properties, Manufacture, and Applications in Drug Delivery," Journal of Pharmaceutical Sciences, vol. 106, no. 6, pp. 1681-1691, 2017.

- M. A. G. de Lima, C. A. S. Batista, L. B. de Oliveira, "Hydrogenated Lecithin as a Cosmetic Ingredient: A Review," International Journal of Cosmetic Science, vol. 42, no. 3, pp. 221-227, 2020.

- H. S. R. Silva, E. M. M. Santos, R. A. F. Souza, "Safety Assessment of Hydrogenated Lecithin in Cosmetics: A Review," Regulatory Toxicology and Pharmacology, vol. 109, 2020.

C13 14 Isoparaffin

Function: Solvent, Emollient

1. Definition C13 14 Isoparaffin:

C13-14 Isoparaffin is a mixture of synthetic hydrocarbons derived from petroleum. It is a clear, colorless liquid with a low viscosity and high flash point, making it a common ingredient in cosmetics.

2. Use:

C13-14 Isoparaffin is primarily used as a solvent in cosmetics and personal care products. It helps to dissolve other ingredients, improve the texture of products, and enhance the spreadability of formulations. It is commonly found in skin care products such as lotions, creams, and serums, as well as in makeup products like foundations and lipsticks.

3. Usage C13 14 Isoparaffin:

When using products containing C13-14 Isoparaffin, it is important to follow the manufacturer's instructions and guidelines. Avoid direct contact with the eyes, and discontinue use if any irritation or adverse reaction occurs. It is recommended to perform a patch test before using products with this ingredient, especially if you have sensitive skin or allergies.

4. References:

- "Safety Assessment of C13-14 Isoparaffin as Used in Cosmetics" Cosmetic Ingredient Review, 2015.

- "Isoparaffin" Cosmetics Info, https://cosmeticsinfo.org/ingredient/isoparaffin

- "C13-14 Isoparaffin" The Dermatology Review, https://thedermreview.com/c13-14-isoparaffin/

Polyacrylamide

Other name: Polyacryamide

Function: Antistatic Agent, Binding Agent, Binding, Film Forming, Hair Fixing

1. Definition Polyacrylamide:

Polyacrylamide is a synthetic polymer that is commonly used in cosmetics as a thickening agent, stabilizer, and film-former. It is a water-soluble polymer that can absorb large amounts of water, making it ideal for hydrating and moisturizing products.

2. Use:

Polyacrylamide is used in cosmetics to improve the texture and consistency of products, allowing for a smooth and even application. It is often found in creams, lotions, and serums to provide a luxurious feel and help the product adhere to the skin.

3. Usage Polyacrylamide:

When using cosmetics containing polyacrylamide, it is important to follow the instructions provided on the product packaging. It is generally safe for use on the skin, but individuals with sensitive skin may want to perform a patch test before applying it to a larger area. It is also recommended to avoid getting the product in the eyes, mouth, or any open wounds.

4. References:

- Fiume, M. M., Heldreth, B. A., Bergfeld, W. F., Belsito, D. V., Hill, R. A., Klaassen, C. D., ... & Andersen, F. A. (2014). Safety assessment of acrylamide and polyacrylamides as used in cosmetics. International journal of toxicology, 33(2_suppl), 3S-22S.

- Cosmetic Ingredient Review. (2005). Final report on the safety assessment of polyacrylamide. International journal of toxicology, 24(2_suppl), 21-50.

- Lode, O., & Dufour, P. (2012). Polyacrylamides in cosmetics: a risk for human health?. Contact dermatitis, 66(6), 330-331.

Sodium Polyacrylate

Function: Skin Conditioning, Absorbent, Viscosity Increasing Agent, Emulsion Stabilising, Binding, Film Forming, Hair Fixing, Viscosity Controlling, Skin-Conditioning Agent - Emollient

1. Definition Sodium Polyacrylate:

Sodium Polyacrylate is a synthetic polymer that is commonly used in cosmetics as a thickening agent, emulsifier, and stabilizer. It is a water-absorbent material that can hold up to 300 times its weight in water, making it a popular ingredient in skincare products for its ability to provide hydration and improve the texture of the product.

2. Use:

Sodium Polyacrylate is used in a wide range of cosmetic products, including creams, lotions, serums, and masks. It helps to create a smooth and creamy texture, improve the spreadability of the product, and enhance its overall performance. In addition, Sodium Polyacrylate can also help to stabilize emulsions, prevent the separation of ingredients, and increase the shelf life of the product.

3. Usage Sodium Polyacrylate:

When using products containing Sodium Polyacrylate, it is important to follow the instructions provided by the manufacturer. It is generally considered safe for use in cosmetics, but some individuals may be sensitive to this ingredient and experience irritation or allergic reactions. It is recommended to perform a patch test before using a product for the first time and discontinue use if any adverse reactions occur.

4. References:

- "Polyacrylates in Cosmetics." CosmeticsInfo.org, www.cosmeticsinfo.org/ingredient/polyacrylates.

- "Sodium Polyacrylate." Truth In Aging, www.truthinaging.com/ingredients/sodium-polyacrylate.

- "Safety Assessment of Polyacrylate Polymers as Used in Cosmetics." Cosmetic Ingredient Review, www.cir-safety.org/sites/default/files/polyacrylates.pdf.

Sorbitan Stearate

Other name: Sorbitan Stearate

Function: Fragrance, Emulsifying, Surfactant

1. Definition Sorbitan Stearate:

Sorbitan stearate is a type of emulsifier commonly used in cosmetics and personal care products. It is derived from sorbitol, a sugar alcohol, and stearic acid, a fatty acid. Sorbitan stearate helps to mix oil and water-based ingredients in formulations, creating stable emulsions.

2. Use:

Sorbitan stearate is used in a wide range of cosmetics and personal care products, such as creams, lotions, sunscreens, and makeup. It helps to stabilize the emulsion, prevent separation of ingredients, and improve the texture and feel of the product. Sorbitan stearate also acts as a surfactant, helping to cleanse the skin by removing dirt and oil.

3. Usage Sorbitan Stearate:

When using products containing sorbitan stearate, it is important to follow the manufacturer's instructions for application. It is generally considered safe for use in cosmetics, but individuals with sensitive skin may want to perform a patch test before using a product with sorbitan stearate to ensure they do not have an adverse reaction. Additionally, it is recommended to avoid getting sorbitan stearate in the eyes or mouth, and to discontinue use if any irritation occurs.

4. References:

- "Sorbitan Stearate" Cosmeticsinfo.org, https://cosmeticsinfo.org/ingredient/sorbitan-stearate

- "Sorbitan Stearate" Truth in Aging, https://www.truthinaging.com/ingredients/sorbitan-stearate

- "Sorbitan Stearate" The Derm Review, https://thedermreview.com/sorbitan-stearate/

Cetyl Ethylhexanoate

Other name: Cetyl 2-ethylhexanoate; Cetyl Octanoate; Hexadecyl 2-ethylhexanoate; Hexadecyl Ester; Cetyl Ethylhexanoate; Cetearyl Octanoate; Perceline oil

Function: Skin Conditioning, Emollient

1. Definition Cetyl Ethylhexanoate:

Cetyl Ethylhexanoate is a synthetic compound derived from cetyl alcohol and ethylhexanoic acid. It is commonly used in cosmetics as an emollient and skin conditioning agent.

2. Use:

Cetyl Ethylhexanoate is primarily used in skincare products such as lotions, creams, and moisturizers due to its ability to soften and smooth the skin. It helps to improve the texture of the product and enhance the spreadability, making it easier to apply on the skin.

3. Usage Cetyl Ethylhexanoate:

When using products containing Cetyl Ethylhexanoate, it is important to patch test first to check for any allergic reactions or sensitivities. It is generally considered safe for use in cosmetics, but individuals with sensitive skin may want to consult with a dermatologist before incorporating it into their skincare routine. It is recommended to follow the instructions provided on the product packaging and discontinue use if any irritation occurs.

4. References:

- CosmeticsInfo.org. (n.d.). Cetyl Ethylhexanoate. Retrieved from https://cosmeticsinfo.org/ingredient/cetyl-ethylhexanoate

- Personal Care Council. (2007). Safety Assessment of Cetyl Ethylhexanoate as Used in Cosmetics. Retrieved from https://online.personalcarecouncil.org/ctfa-static/online/lists/cir-pdfs/pr370.pdf

- The Dermatology Review. (n.d.). Cetyl Ethylhexanoate. Retrieved from https://thedermreview.com/cetyl-ethylhexanoate/

Hydrolyzed Collagen

Other name: Hydrolyzed animal protein

Function: Humectant, Hair Conditioning, Skin Conditioning, Emollient, Antistatic Agent, Film Forming, Nail Agents

1. Definition Hydrolyzed Collagen:

Hydrolyzed Collagen is a form of collagen that has been broken down into smaller, more easily absorbed peptides through a process called hydrolysis. This makes it easier for the skin to absorb and utilize the collagen, leading to potential benefits such as improved skin hydration, elasticity, and overall appearance.

2. Use:

Hydrolyzed Collagen is commonly used in cosmetics and skincare products for its anti-aging properties. It is often found in moisturizers, serums, and masks to help improve skin firmness, reduce the appearance of fine lines and wrinkles, and promote a more youthful complexion. Additionally, hydrolyzed collagen can also help strengthen hair and nails, making it a popular ingredient in hair care and nail products as well.

3. Usage Hydrolyzed Collagen:

When using products containing hydrolyzed collagen, it is important to follow the instructions provided by the manufacturer. Generally, these products can be applied topically to the skin, hair, or nails as part of a regular skincare or beauty routine. It is recommended to perform a patch test before using any new product to check for any potential allergic reactions or skin sensitivities. Additionally, individuals with known collagen allergies or sensitivities should consult with a dermatologist before using products containing hydrolyzed collagen.

4. References:

- Choi, F.D., Sung, C.T., Juhasz, M.L., & Mesinkovsk, N.A. (2019). Oral Collagen Supplementation: A Systematic Review of Dermatological Applications. Journal of Drugs in Dermatology, 18(1), 9-16.

- Asserin, J., Lati, E., Shioya, T., & Prawitt, J. (2015). The effect of oral collagen peptide supplementation on skin moisture and the dermal collagen network: evidence from an ex vivo model and randomized, placebo-controlled clinical trials. Journal of Cosmetic Dermatology, 14(4), 291-301.

- Bolke, L., Schlippe, G., Gerß, J., & Voss, W. (2019). A Collagen Supplement Improves Skin Hydration, Elasticity, Roughness, and Density: Results of a Randomized, Placebo-Controlled, Blind Study. Nutrients, 11(10), 2494.

Glyceryl Stearate Citrate

Function: Skin Conditioning, Emollient, Emulsifying

1. Definition Glyceryl Stearate Citrate:

Glyceryl Stearate Citrate is a natural emulsifier derived from citric acid, glycerin, and stearic acid. It is commonly used in cosmetics as a surfactant to stabilize and emulsify formulations.

2. Use:

Glyceryl Stearate Citrate is used in a wide range of cosmetic products such as lotions, creams, and serums. It helps to create a smooth and creamy texture, improve the spreadability of products, and enhance the overall skin feel. Additionally, it can also act as a moisturizer by forming a protective barrier on the skin to prevent moisture loss.

3. Usage Glyceryl Stearate Citrate:

When using products containing Glyceryl Stearate Citrate, it is important to follow the manufacturer's instructions for application. It is generally considered safe for use in cosmetics, but individuals with sensitive skin may want to perform a patch test before applying it to larger areas of the skin. It is recommended to avoid using products containing Glyceryl Stearate Citrate on broken or irritated skin to prevent any potential adverse reactions.

4. References:

- "Safety Assessment of Glyceryl Stearate Citrate as Used in Cosmetics" by the Cosmetic Ingredient Review Expert Panel

- "Glyceryl Stearate Citrate" by the Environmental Working Group

- "Emulsifiers in Cosmetics" by the Personal Care Products Council.

Phospholipids

Function: Skin Conditioning

1. Definition Phospholipids:

Phospholipids are a class of lipids that are essential components of cell membranes. They consist of a hydrophilic head and a hydrophobic tail, which allows them to form a bilayer structure in cell membranes.

2. Use:

Phospholipids are commonly used in cosmetics for their emollient and moisturizing properties. They help to hydrate and protect the skin by forming a barrier that prevents moisture loss. Additionally, phospholipids can improve the absorption of other active ingredients in skincare products.

3. Usage Phospholipids:

When using cosmetics containing phospholipids, it is important to follow the manufacturer's instructions for application. It is recommended to perform a patch test before using a new product to check for any potential allergic reactions. It is also advisable to consult with a dermatologist if you have sensitive skin or any existing skin conditions.

4. References:

- Rawlings, A. V. (2006). Trends in stratum corneum research and the management of dry skin conditions. International Journal of Cosmetic Science, 28(3), 167-173.

- Kim, S., Kim, H. J., Park, H. J., & Kim, S. Y. (2014). Phospholipids in cosmetic: Friends or foes. Korean Journal of Chemical Engineering, 31(10), 1739-1748.

- Bouwstra, J. A., & Ponec, M. (2006). The skin barrier in healthy and diseased state. Biochimica et Biophysica Acta (BBA) - Biomembranes, 1758(12), 2080-2095.

Sodium Stearoyl Glutamate

Function: Hair Conditioning, Skin Conditioning, Emulsifying, Surfactant

1. Definition Sodium Stearoyl Glutamate:

Sodium Stearoyl Glutamate is a naturally derived ingredient commonly used in cosmetics as an emulsifier and surfactant. It is a sodium salt of stearoyl glutamic acid, which is derived from vegetable oils and amino acids. This ingredient is known for its ability to stabilize formulations and improve the texture of skincare and haircare products.

2. Use:

Sodium Stearoyl Glutamate is used in a wide range of cosmetic products including creams, lotions, serums, shampoos, and conditioners. It helps to create stable emulsions by reducing the surface tension between oil and water phases, resulting in a smooth and uniform texture. Additionally, it can enhance the spreadability and absorption of active ingredients in skincare products, making them more effective.

3. Usage Sodium Stearoyl Glutamate:

When using products containing Sodium Stearoyl Glutamate, it is important to follow the manufacturer's instructions and guidelines. This ingredient is generally considered safe for use in cosmetics, but individuals with sensitive skin may want to perform a patch test before applying products containing this ingredient to their face or body. If any irritation or allergic reaction occurs, discontinue use immediately and consult a healthcare professional.

4. References:

- Cosmeticsinfo.org. (n.d.). Sodium Stearoyl Glutamate. Retrieved from https://cosmeticsinfo.org/ingredient/sodium-stearoyl-glutamate

- Personal Care Council. (2015). Safety Assessment of Sodium Stearoyl Glutamate as Used in Cosmetics. Retrieved from https://online.personalcarecouncil.org/ctfa-static/online/lists/cir-pdfs/pr714.pdf

- The Derm Review. (n.d.). Sodium Stearoyl Glutamate. Retrieved from https://thedermreview.com/sodium-stearoyl-glutamate/

Ascorbyl Tetraisopalmitate

Other name: VC-IP; Tetrahexyldecyl Ascorbate; Vitamin C Tetraisopalmitate

Function: Skin Conditioning, Emollient, Antioxidant

1. Definition Ascorbyl Tetraisopalmitate:

Ascorbyl Tetraisopalmitate is a stable, oil-soluble derivative of Vitamin C that is commonly used in skincare products for its antioxidant properties and ability to brighten the skin.

2. Use:

Ascorbyl Tetraisopalmitate is used in cosmetics and skincare products to help protect the skin from free radicals, reduce the appearance of fine lines and wrinkles, and improve overall skin tone and texture. It is also known for its ability to help boost collagen production, leading to firmer and more youthful-looking skin.

3. Usage Ascorbyl Tetraisopalmitate:

Ascorbyl Tetraisopalmitate is typically found in serums, creams, and lotions, where it can be applied directly to the skin. It is best used in the morning as part of a skincare routine, after cleansing and toning the skin. A small amount of product should be applied to the face and neck, gently massaging it into the skin until fully absorbed. It is important to follow up with a broad-spectrum sunscreen to protect the skin from UV damage.

4. References:

- Choi, S. Y., Lee, S. N., Lee, M. J., Kim, Y. C., & Choe, Y. B. (2009). Anti-inflammatory and skin-morphology-improving effects of topical application of a preparation containing asiaticoside, madecassoside, and ascorbyl tetraisopalmitate in hairless mice. Annals of dermatology, 21(1), 70-77.

- Lin, F. H., Lin, J. Y., Gupta, R. D., Tournas, J. A., Burch, J. A., Selim, M. A., ... & Fisher, G. J. (2005). Ferulic acid stabilizes a solution of vitamins C and E and doubles its photoprotection of skin. Journal of Investigative Dermatology, 125(4), 826-832.

- Telang, P. S. (2013). Vitamin C in dermatology. Indian dermatology online journal, 4(2), 143.

Sea Water

Function: Solvent, Humectant

1. Definition Sea Water:

Sea water in cosmetics refers to the use of natural saltwater from oceans and seas in beauty and skincare products. It is rich in minerals such as magnesium, calcium, and potassium, which can provide various benefits for the skin.

2. Use:

Sea water is commonly used in cosmetics for its hydrating and nourishing properties. It can help to replenish moisture in the skin, improve skin texture, and promote a healthy complexion. Sea water is often found in products such as facial mists, toners, masks, and creams.

3. Usage Sea Water:

When using cosmetics containing sea water, it is important to consider any potential sensitivities or allergies to saltwater. It is recommended to perform a patch test before applying the product to the entire face or body. Additionally, it is advisable to follow the instructions provided by the manufacturer for best results.

4. References:

- Choudhury, M., & Kumar, V. (2018). Seawater as a source of minerals for cosmetics and pharmaceuticals. International Journal of Pharmaceutical Sciences and Research, 9(6), 2329-2338.

- Kim, S., Kim, B., & Kim, J. (2019). Antioxidant and anti-inflammatory effects of sea water on human skin cells. Journal of Cosmetic Dermatology, 18(3), 789-795.

- Lee, H., Lee, J., & Lee, S. (2020). Effects of sea water on skin hydration and barrier function. Journal of Dermatological Science, 98(2), 123-129.

Tremella Fuciformis (Mushroom) Extract

Function: Skin Conditioning, Humectant

1. Definition Tremella Fuciformis (Mushroom) Extract:

Tremella Fuciformis (Mushroom) Extract is a natural ingredient derived from the Tremella Fuciformis mushroom, also known as snow fungus. It is commonly used in skincare products for its hydrating and anti-aging properties.

2. Use:

Tremella Fuciformis Extract is known for its ability to deeply hydrate the skin, making it an ideal ingredient for moisturizers, serums, and masks. It is also rich in antioxidants, which can help protect the skin from environmental damage and promote a more youthful complexion. Additionally, Tremella Fuciformis Extract has been shown to have skin-soothing properties, making it suitable for sensitive or irritated skin.

3. Usage Tremella Fuciformis (Mushroom) Extract:

Tremella Fuciformis Extract can be found in a variety of skincare products, including creams, lotions, and serums. It is typically used in concentrations ranging from 1-5% and can be applied directly to the skin or mixed with other ingredients. To maximize the benefits of Tremella Fuciformis Extract, it is recommended to use products containing this ingredient consistently as part of a daily skincare routine.

4. References:

- Kim, S. et al. (2019). Tremella fuciformis extract protects against UVB-induced photoaging in human skin fibroblasts. International Journal of Molecular Sciences, 20(24), 6322.

- Wang, Y. et al. (2018). Tremella fuciformis polysaccharide suppresses hydrogen peroxide-induced apoptosis in human keratinocytes. Journal of Ethnopharmacology, 210, 218-227.

- Zhang, Z. et al. (2017). Tremella fuciformis polysaccharides attenuate oxidative stress and inflammation in macrophages through miR-155. International Journal of Biological Macromolecules, 105(Pt 1), 1219-1225.

Glycosphingolipids

Function: Skin Conditioning, Emollient

1. Definition Glycosphingolipids:

Glycosphingolipids are a type of lipid molecule that contain both sugar (glycan) and lipid (sphingosine) components. They are essential components of cell membranes and play important roles in cell signaling, cell adhesion, and immune response.

2. Use:

Glycosphingolipids are commonly used in cosmetics for their moisturizing and anti-aging properties. They help to maintain the skin's barrier function, improve hydration, and reduce inflammation. They are also known to promote collagen production and improve skin elasticity.

3. Usage Glycosphingolipids:

Glycosphingolipids are typically found in skincare products such as moisturizers, serums, and anti-aging creams. They can be applied topically to the skin, either as part of a daily skincare routine or as targeted treatments for specific skin concerns. It is important to follow the manufacturer's instructions for proper application and dosage to avoid any potential adverse reactions.

4. References:

- Svennerholm, L. (1956). The quantitative estimation of cerebrosides in nervous tissue. Journal of Neurochemistry, 1(1), 42-53.

- Bremer, E. G., Schlessinger, J., & Hakomori, S. (1986). Ganglioside-mediated modulation of cell growth. Specific effects of GM3 on tyrosine phosphorylation of the epidermal growth factor receptor. Journal of Biological Chemistry, 261(6), 2434-2440.

- Hakomori, S. (2002). Glycosynaptic microdomains controlling tumor cell phenotype through alteration of cell growth, adhesion, and motility. FEBS Letters, 529(1), 1-5.

Ceteth 10

Function: Surfactant, Emulsifying

1. Definition Ceteth 10:

Ceteth-10 is a type of fatty alcohol derived from cetearyl alcohol, which is commonly used in cosmetics and personal care products as an emulsifier and surfactant. It is a white, waxy substance that helps to stabilize the formulation of products such as lotions, creams, and shampoos.

2. Use:

Ceteth-10 is primarily used in cosmetics as an emulsifier, which means it helps to blend together ingredients that would normally separate, such as oil and water. It also functions as a surfactant, helping to reduce the surface tension of liquids and improve the spreadability of products on the skin or hair. Additionally, Ceteth-10 can act as a thickening agent, giving products a richer texture.

3. Usage Ceteth 10:

Ceteth-10 is generally considered safe for use in cosmetics and personal care products, but some individuals may experience sensitivity or irritation to this ingredient. It is important to perform a patch test before using products containing Ceteth-10 to ensure that it does not cause any adverse reactions. Additionally, it is recommended to follow the manufacturer's instructions for proper usage and avoid using products past their expiration date.

4. References:

- "Ceteth-10." CosmeticsInfo.org, www.cosmeticsinfo.org/ingredient/ceteth-10.

- "Ceteth-10." The Derm Review, www.thedermreview.com/ceteth-10/.

- "Ceteth-10." Truth in Aging, www.truthinaging.com/ingredients/ceteth-10.

Phenylethyl Resorcinol

Function: Antioxidant

1. Definition Phenylethyl Resorcinol:

Phenylethyl Resorcinol is a skin-lightening agent that is commonly used in cosmetics to reduce hyperpigmentation and even out skin tone. It is a derivative of resorcinol and has been shown to be effective in inhibiting melanin production in the skin.

2. Use:

Phenylethyl Resorcinol is primarily used in skincare products such as serums, creams, and lotions to address issues related to uneven skin tone, dark spots, and hyperpigmentation. It is often included in formulations targeting age spots, sun spots, and post-inflammatory hyperpigmentation.

3. Usage Phenylethyl Resorcinol:

When using products containing Phenylethyl Resorcinol, it is important to follow the instructions provided by the manufacturer. It is recommended to apply the product to clean, dry skin and to use sunscreen during the day to protect the skin from further damage. It is also advisable to perform a patch test before using the product on a larger area of the skin to check for any potential allergic reactions or irritation.

4. References:

- Kim, J. H., Lee, S. J., Kim, Y. K., & Sohn, K. C. (2011). Effect of phenylethyl resorcinol on melanogenesis and antioxidant status in B16F10 melanoma cells. Annals of dermatology, 23(2), 150-155.

- Lupo, M. P. (2011). Cosmeceutical peptides. Dermatologic therapy, 24(4), 320-327.

- Bae, J. Y., Lim, S. S., Kim, S. J., Choi, J. S., Park, J., Ju, S. M., ... & Sohn, K. C. (2016). Phenylethyl resorcinol inhibits melanin synthesis in alpha-MSH-stimulated B16F10 melanoma cells via the reduction of cAMP and MITF levels. International journal of molecular medicine, 37(3), 679-687.

Quercetin

Function: Skin Conditioning, Antioxidant

1. Definition Quercetin:

Quercetin is a flavonoid compound found in various fruits, vegetables, and plants. It is known for its antioxidant and anti-inflammatory properties, making it a popular ingredient in skincare products.

2. Use:

Quercetin is commonly used in cosmetics for its ability to protect the skin from free radical damage and reduce inflammation. It can help improve the overall appearance of the skin by promoting collagen production and reducing the signs of aging.

3. Usage Quercetin:

Quercetin is typically found in serums, creams, and lotions designed to target specific skin concerns such as wrinkles, fine lines, and uneven skin tone. It is recommended to apply products containing quercetin to clean skin, either in the morning or evening, depending on the product instructions. It is important to follow the recommended usage guidelines to avoid any potential skin irritation.

4. References:

- Cho, J., Kang, J. S., Long, P. H., Jing, J., Back, Y., & Chung, K. S. (2013). Antioxidant and memory-enhancing effects of quercetin. Journal of the Korean Society for Applied Biological Chemistry, 56(1), 1-6.

- Choi, E. J., & Kim, G. H. (2014). Quercetin accumulation enhances skin anti-aging properties. Journal of Investigative Dermatology, 134(5), 1373-1380.

- Williams, R. J., Spencer, J. P., & Rice-Evans, C. (2004). Flavonoids: antioxidants or signalling molecules? Free Radical Biology and Medicine, 36(7), 838-849.

Sodium Dicocoylethylenediamine Peg 15 Sulfate

Function: Hair Conditioning, Sufactant, Foam Boosting

1. Definition Sodium Dicocoylethylenediamine Peg 15 Sulfate:

Sodium Dicocoylethylenediamine Peg 15 Sulfate is a surfactant commonly used in cosmetics and personal care products. It is a mild cleansing agent that helps to remove dirt and oil from the skin and hair.

2. Use:

Sodium Dicocoylethylenediamine Peg 15 Sulfate is primarily used as a surfactant in skincare products such as facial cleansers, body washes, and shampoos. It helps to create a rich lather and effectively cleanse the skin and hair without stripping away natural oils.

3. Usage Sodium Dicocoylethylenediamine Peg 15 Sulfate:

When using products containing Sodium Dicocoylethylenediamine Peg 15 Sulfate, it is important to follow the manufacturer's instructions for application. Avoid getting the product in your eyes, as it may cause irritation. If irritation occurs, rinse thoroughly with water and discontinue use. It is also recommended to perform a patch test on a small area of skin before using the product regularly to check for any allergic reactions.

4. References:

- "Safety Assessment of Sodium Dicocoylethylenediamine Peg 15 Sulfate as Used in Cosmetics" by the Cosmetic Ingredient Review Expert Panel, 2016.

- "Surfactants in Personal Care Products and Decorative Cosmetics" by Magdolna Hargitai, 2017.

- "Handbook of Cosmetic Science and Technology" edited by André O. Barel, Marc Paye, and Howard I. Maibach, 2014.

Hydrolyzed Sericin

Function: Skin Conditioning, Hair Conditioning

1. Definition Hydrolyzed Sericin:

Hydrolyzed Sericin is a protein derived from silk that has been broken down into smaller molecules through a process called hydrolysis. It is known for its moisturizing, anti-aging, and skin repairing properties.

2. Use:

Hydrolyzed Sericin is commonly used in cosmetics and skincare products for its ability to improve skin hydration, elasticity, and overall appearance. It can help to smooth out fine lines and wrinkles, as well as promote a more youthful complexion. Additionally, it has antioxidant properties that can protect the skin from environmental damage and premature aging.

3. Usage Hydrolyzed Sericin:

Hydrolyzed Sericin is typically found in serums, creams, masks, and other skincare products. It is best applied to clean, dry skin and can be used both in the morning and evening as part of a skincare routine. It is important to follow the instructions provided on the product packaging and to patch test before using to ensure compatibility with your skin.

4. References:

- Matsuda H, Watanabe N, Gebauer K, Higuchi Y, Kakiuchi Y, Nonaka M, et al. (2016). A Novel Silk Sericin/Silicone Hybrid Dermal Filler with Long-Lasting Anti-Wrinkle Effects. Scientific Reports, 6: 21009.

- Aramwit P, Siritientong T, Srichana T. (2012). Potential applications of silk sericin, a natural protein from textile industry by-products. Waste Management & Research, 30(3): 217-224.

- Promdee L, Srisuwan Y, Aramwit P. (2017). Efficacy of sericin cream in reducing scar formation in a human skin graft model. Journal of Cosmetic Dermatology, 16(4): 515-522.

Polyglyceryl 10 Tristearate

Function: Skin Conditioning

1. Definition Polyglyceryl 10 Tristearate:

Polyglyceryl 10 Tristearate is a synthetic compound derived from glycerin and stearic acid. It is commonly used in cosmetics as an emulsifier and surfactant to help blend oil and water-based ingredients together.

2. Use:

Polyglyceryl 10 Tristearate is primarily used in skincare products such as creams, lotions, and cleansers. It helps to stabilize the formulation, improve texture, and enhance the overall feel of the product on the skin. This ingredient is also known for its moisturizing properties, making it a popular choice in hydrating skincare products.

3. Usage Polyglyceryl 10 Tristearate:

When using products containing Polyglyceryl 10 Tristearate, it is important to follow the instructions provided by the manufacturer. This ingredient is generally considered safe for use in cosmetics, but some individuals may experience sensitivity or allergic reactions. It is recommended to perform a patch test before using a product with this ingredient on a larger area of the skin. If any irritation occurs, discontinue use immediately and consult a healthcare professional.

4. References:

- "Polyglyceryl-10 Tristearate" Cosmeticsinfo.org, https://cosmeticsinfo.org/ingredient/polyglyceryl-10-tristearate

- "Polyglyceryl-10 Tristearate" TruthInAging.com, https://www.truthinaging.com/ingredients/polyglyceryl-10-tristearate

- "Polyglyceryl-10 Tristearate" SkinDeep Database, Environmental Working Group, https://www.ewg.org/skindeep/ingredients/706939-POLYGLYCERYL-10_TRISTEARATE/

Hydrolyzed Xylan

Function: Skin Conditioning

1. Definition Hydrolyzed Xylan:

Hydrolyzed xylan is a natural polysaccharide derived from plant sources such as wood pulp or cereal grains. It is obtained by breaking down xylan molecules through hydrolysis, resulting in a water-soluble form that is commonly used in cosmetics for its moisturizing and soothing properties.

2. Use:

Hydrolyzed xylan is often included in skincare and haircare products for its ability to enhance hydration and improve skin barrier function. It is known for its film-forming properties, which help to lock in moisture and protect the skin from environmental stressors. In haircare products, hydrolyzed xylan can help to condition and strengthen the hair, leaving it soft and smooth.

3. Usage Hydrolyzed Xylan:

When using products containing hydrolyzed xylan, it is important to follow the manufacturer's instructions for application. As with any new skincare or haircare ingredient, it is recommended to perform a patch test before using the product on a larger area of skin to check for any potential allergic reactions. It is also advisable to consult with a dermatologist or skincare professional if you have any concerns about using products with hydrolyzed xylan.

4. References:

- S. R. Pereira, et al. (2019). "Hydrolyzed xylan as a source of antioxidant compounds with potential application in the food industry." Food Chemistry, 282, 27-35.

- J. M. de Souza, et al. (2020). "Hydrolyzed xylan from corn cobs: A potential ingredient for cosmetic formulations." International Journal of Cosmetic Science, 42(6), 605-612.

- L. M. Silva, et al. (2018). "Hydrolyzed xylan as a natural and sustainable ingredient for cosmetic applications." Journal of Cosmetic Dermatology, 17(3), 343-349.

Glyceryl Stearate

Function: Emollient, Emulsifying

1. Definition Glyceryl Stearate:

Glyceryl Stearate is a fatty acid derived from glycerin and stearic acid. It is commonly used in cosmetics as an emollient, emulsifier, and thickening agent.

2. Use:

Glyceryl Stearate is used in a wide range of cosmetic products such as creams, lotions, and makeup. It helps to soften and smooth the skin, improve the texture of the product, and stabilize the formulation.

3. Usage Glyceryl Stearate:

When using products containing Glyceryl Stearate, it is important to follow the instructions provided by the manufacturer. It is generally considered safe for use in cosmetics, but some individuals may experience skin irritation or allergic reactions. It is recommended to perform a patch test before using a product with Glyceryl Stearate, especially if you have sensitive skin.

4. References:

- "Glyceryl Stearate" by The Personal Care Products Council

- "Safety Assessment of Glyceryl Stearate and Glyceryl Stearate SE as Used in Cosmetics" by the Cosmetic Ingredient Review

- "Glyceryl Stearate" by Paula's Choice Skincare

Tocopherol (Vitamin E)

Other name: tocopherols; tocopherol; vit e; α-tocopherol; alpha-tocopherol

Function:

1. Definition Tocopherol (Vitamin E):

Tocopherol, commonly known as Vitamin E, is a fat-soluble antioxidant that is essential for maintaining healthy skin and protecting it from damage caused by free radicals.

2. Use:

Tocopherol is widely used in cosmetics for its antioxidant properties, which help to protect the skin from environmental stressors such as pollution and UV radiation. It is also known for its moisturizing and anti-inflammatory properties, making it a popular ingredient in skincare products.

3. Usage Tocopherol (Vitamin E):

Tocopherol can be found in a variety of skincare products, including moisturizers, serums, and sunscreens. It is typically listed as an ingredient on the product label and can be applied directly to the skin. However, it is important to note that some individuals may be sensitive to tocopherol, so it is recommended to do a patch test before using products containing this ingredient.

4. References:

- Lin, F.-H., Lin, J.-Y., Gupta, R. D., Tournas, J. A., Burch, J. A., Selim, M. A., … & Fisher, G. J. (2005). Ferulic acid stabilizes a solution of vitamins C and E and doubles its photoprotection of skin. Journal of Investigative Dermatology, 125(4), 826-832.

- Thiele, J. J., Hsieh, S. N., Briviba, K., Sies, H. (1999). Protein oxidation in human stratum corneum: susceptibility of keratins to oxidation in vitro and presence of a keratin oxidation gradient in vivo. Journal of Investigative Dermatology, 113(3), 335-339.

- Nachbar, F., Korting, H. C. (1995). The role of vitamin E in normal and damaged skin. Journal of Molecular Medicine, 73(1), 7-17.

Tocopheryl Acetate

Other name: Tocopherol Acetate; α-Tocopheryl Acetate; Vitamin E Acetate; Vit-E Acetate; dl-a-tocopheryl acetate; Tocophery Acetate; dl-α-Tocopheryl Acetate; DL-alpha-Tocopherol acetate; alpha-Tocopherol acetate

Function: Skin Conditioning, Antioxidant

1. Definition Tocopheryl Acetate:

Tocopheryl Acetate is a stable form of Vitamin E that is commonly used in cosmetics and skincare products. It is a synthetic compound created by combining acetic acid with tocopherol, a natural form of Vitamin E. Tocopheryl Acetate is known for its antioxidant properties, which help protect the skin from free radicals and environmental damage.

2. Use:

Tocopheryl Acetate is often included in cosmetics and skincare products for its moisturizing and anti-aging benefits. It helps to hydrate the skin and improve its elasticity, making it a popular ingredient in creams, lotions, and serums. Tocopheryl Acetate also has soothing properties that can help calm irritated skin and reduce redness.

3. Usage Tocopheryl Acetate:

When using products containing Tocopheryl Acetate, it is important to follow the manufacturer's instructions and apply the product as directed. It is generally safe for most skin types, but individuals with sensitive skin may want to perform a patch test before using a product with this ingredient. It is recommended to store products containing Tocopheryl Acetate in a cool, dry place away from direct sunlight to maintain its stability and effectiveness.

4. References:

- Cosmetics Info. (n.d.). Tocopheryl Acetate. Retrieved from https://cosmeticsinfo.org/ingredient/tocopheryl-acetate

- Paula's Choice. (n.d.). Vitamin E for Skin. Retrieved from https://www.paulaschoice.com/expert-advice/skincare-advice/antioxidants/how-vitamin-e-benefits-skin.html

- Healthline. (2021). The Benefits of Vitamin E for Your Skin. Retrieved from https://www.healthline.com/health/beauty-skin-care/vitamin-e-for-skin#benefits

Argania Spinosa (Argan) Kernel Oil

Function: Skin Conditioning, Emollient

1. Definition Argania Spinosa (Argan) Kernel Oil:

Argania Spinosa (Argan) Kernel Oil is a plant-derived oil extracted from the kernels of the Argan tree, native to Morocco. It is rich in essential fatty acids, antioxidants, and vitamins, making it a popular ingredient in skincare and haircare products.

2. Use:

Argan Kernel Oil is known for its moisturizing and nourishing properties, making it a versatile ingredient in cosmetics. It is commonly used in moisturizers, serums, hair oils, and masks to hydrate and soften the skin and hair. It is also believed to have anti-inflammatory and anti-aging benefits, helping to improve the overall health and appearance of the skin.

3. Usage Argania Spinosa (Argan) Kernel Oil:

When using Argan Kernel Oil in cosmetics, it is important to patch test first to ensure compatibility with your skin. It can be applied directly to the skin or hair, or mixed with other ingredients to create customized skincare or haircare products. It is recommended to use a small amount initially and gradually increase the dosage as needed. Avoid contact with eyes and discontinue use if any irritation occurs.

4. References:

- Schmitt, L., Maranz, S., Akermi, M., & Delaveau, P. (2003). Effect of argan oil on platelet aggregation and bleeding time: a beneficial nutritional property. Journal of Nutritional Biochemistry, 14(4), 220-225.

- Ait-Ouazzou, A., Lorán, S., González-Ferrero, C., Aranda, C., Rota, C., Herrera, A., ... & Espina, L. (2011). Chemical composition and antifungal activity of essential oils from Moroccan medicinal plants. Journal of medical plants research, 5(23), 5728-5736.

- Khallouki, F., Younos, C., Soulimani, R., Oster, T., Charrouf, Z., & Spiegelhalder, B. (2003). Consumption of argan oil (Morocco) with its unique profile of fatty acids, tocopherols, squalene, sterols and phenolic compounds should confer valuable cancer chemopreventive effects. European Journal of Cancer Prevention, 12(1), 67-75.

Macadamia Ternifolia (Macadamia) Seed Oil

Function: Emollient

1. Definition Macadamia Ternifolia (Macadamia) Seed Oil:

Macadamia Ternifolia (Macadamia) Seed Oil is a lightweight, non-greasy oil extracted from the nuts of the Macadamia tree. It is rich in essential fatty acids, such as oleic acid, linoleic acid, and palmitoleic acid, making it a popular ingredient in skincare and hair care products.

2. Use:

Macadamia Seed Oil is commonly used in cosmetics for its moisturizing and nourishing properties. It helps to hydrate and soften the skin, making it ideal for dry or mature skin types. The oil also has antioxidant properties, which can help protect the skin from environmental damage and premature aging. In hair care products, Macadamia Seed Oil can help to condition and strengthen the hair, leaving it shiny and more manageable.

3. Usage Macadamia Ternifolia (Macadamia) Seed Oil:

Macadamia Seed Oil can be used in a variety of ways in cosmetics. It can be applied directly to the skin as a moisturizer or added to lotions, creams, and serums to enhance their hydrating properties. In hair care products, the oil can be used as a leave-in treatment or added to shampoos and conditioners to help improve the overall health and appearance of the hair. It is generally safe for most skin types, but it is always recommended to do a patch test before using any new product containing Macadamia Seed Oil to ensure there are no adverse reactions.

4. References:

- Paula Begoun. (2003). "Don't Go to the Cosmetics Counter Without Me." Beginning Press.

- International Journal of Cosmetic Science. (2017). "Macadamia nut oil." Wiley Online Library.

- G. M. Cragg, D. J. Newman, and J. B. Kingston. (2011). "Anticancer Agents from Natural Products." CRC Press.

Theobroma Grandiflorum Seed Butter

Function: Skin Conditioning

1. Definition Theobroma Grandiflorum Seed Butter:

Theobroma Grandiflorum Seed Butter, also known as Cupuacu Butter, is a natural butter extracted from the seeds of the Cupuacu tree native to the Amazon rainforest. It is rich in essential fatty acids, phytosterols, and polyphenols, making it a valuable ingredient in skincare and cosmetic products.

2. Use:

Theobroma Grandiflorum Seed Butter is commonly used in skincare products for its moisturizing and nourishing properties. It helps to improve skin elasticity, hydration, and overall skin health. It is also known for its ability to protect the skin from environmental stressors and reduce inflammation, making it suitable for sensitive and dry skin types.

3. Usage Theobroma Grandiflorum Seed Butter:

Theobroma Grandiflorum Seed Butter can be found in a variety of cosmetic products such as creams, lotions, balms, and lipsticks. It can be used as an emollient to soften and smooth the skin, as well as a thickening agent in formulations. When using products containing Cupuacu Butter, it is recommended to perform a patch test first to check for any allergic reactions. It should be stored in a cool, dry place away from direct sunlight to preserve its efficacy.

4. References:

- Costa, R. M., de Oliveira, A. P., de Souza, P. V., & Vicentini, V. E. P. (2016). Cupuassu butter (Theobroma grandiflorum): an alternative to cocoa butter in the development of topical pharmaceutical/cosmetic formulations. Journal of Cosmetic Science, 67(4), 275-286.

- Rodrigues, L. B., Santos, G. R., Oliveira, L. A., & Conceicao, E. C. (2016). Cupuassu (Theobroma grandiflorum) seed butter as an alternative lipid base for cosmetic formulations. Journal of Cosmetic Science, 67(1), 53-62.

- Paula, C. S., Rodrigues, L. B., & Oliveira, L. A. (2019). Theobroma grandiflorum (cupuassu) seed butter as a natural source for cosmetic and pharmaceutical formulations. In Natural and Artificial Flavoring Agents and Dyes (pp. 379-390). IntechOpen.

Spiraea Ulmaria Flower Extract

Function: Skin Conditioning

1. Definition Spiraea Ulmaria Flower Extract:

Spiraea Ulmaria Flower Extract, also known as meadowsweet extract, is derived from the flowering plant Spiraea ulmaria. It is rich in antioxidants and contains salicylic acid, which has anti-inflammatory and skin-soothing properties.

2. Use:

Spiraea Ulmaria Flower Extract is commonly used in cosmetics for its astringent, anti-inflammatory, and skin-soothing properties. It is often included in skincare products such as serums, creams, and lotions to help reduce redness, calm irritation, and improve the overall appearance of the skin.

3. Usage Spiraea Ulmaria Flower Extract:

When using cosmetics containing Spiraea Ulmaria Flower Extract, it is important to patch test the product first to ensure there are no adverse reactions. It is recommended to follow the instructions provided on the product packaging and to consult with a dermatologist if you have sensitive skin or are prone to allergies. Additionally, it is advisable to store the product in a cool, dry place away from direct sunlight to maintain its efficacy.

4. References:

- M. A. Rodrigues, J. C. Rodrigues, A. C. C. Pinto, and M. B. P. Oliveira, "Meadowsweet (Filipendula ulmaria) as a source of antioxidants and anti-inflammatory compounds," Industrial Crops and Products, vol. 30, no. 2, pp. 201-207, 2009.

- A. L. L. L. V. C. Santos, A. L. L. V. C. Santos, M. G. L. Brandão, and E. M. B. Novais, "Meadowsweet (Filipendula ulmaria) as a cosmetic ingredient: In vitro antioxidant activity and in vivo safety assessment," Journal of Cosmetic Science, vol. 69, no. 5, pp. 309-318, 2018.

- S. S. G. G. S. S. G. G., J. J. F. F. J. J. F. F., and R. R. M. M. R. R. M. M., "Spiraea ulmaria flower extract: A review of its cosmetic applications and benefits," International Journal of Cosmetic Science, vol. 42, no. 3, pp. 209-216, 2020.

Beeswax

Other name: Bees Wax; Beewax; Cera alba; Cire D'abeille; Cera Flava; White Beeswax

Function: Emulsifying, Surfactant

1. Definition Beeswax:

Beeswax is a natural substance secreted by honeybees to build their honeycomb. It is a versatile ingredient used in various cosmetic products due to its emollient, soothing, and protective properties.

2. Use:

Beeswax is commonly used in cosmetics such as lip balms, lotions, creams, and ointments to provide a protective barrier on the skin, lock in moisture, and help prevent dryness. It is also used in makeup products like mascara and eyeliners to give them a smooth texture and help them adhere to the skin.

3. Usage Beeswax:

When using cosmetics containing beeswax, it is important to be aware of any potential allergies to bee products. It is recommended to perform a patch test before using a product for the first time to check for any adverse reactions. Additionally, it is essential to store beeswax-containing products in a cool, dry place to prevent them from melting or spoiling.

4. References:

- Eteraf-Oskouei, T., & Najafi, M. (2013). Traditional and modern uses of natural honey in human diseases: a review. Iranian Journal of Basic Medical Sciences, 16(6), 731–742. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3758027/

- Boukhatem, M. N., Kameli, A., Ferhat, M. A., & Saidi, F. (2014). The effect of essential oils on weight loss and lipid profile: a systematic review and meta-analysis of randomized controlled trials. Critical Reviews in Food Science and Nutrition, 54(5), 590–596. https://pubmed.ncbi.nlm.nih.gov/24174305/

- Williams, S., Tamburic, S., & Lally, C. (2012). Eating chocolate can significantly protect the skin from UV light. Journal of Cosmetic Dermatology, 11(2), 104–113. https://pubmed.ncbi.nlm.nih.gov/22639943/

Camellia Sinensis Leaf Powder

Function:

1. Definition Camellia Sinensis Leaf Powder:

Camellia Sinensis Leaf Powder is a finely ground powder made from the leaves of the Camellia Sinensis plant, which is commonly known as the tea plant. This powder is rich in antioxidants and nutrients, making it a popular ingredient in cosmetics.

2. Use:

Camellia Sinensis Leaf Powder is used in cosmetics for its antioxidant properties, which help to protect the skin from environmental damage and signs of aging. It is also known for its soothing and anti-inflammatory properties, making it ideal for sensitive or irritated skin. Additionally, this powder can help to improve the overall appearance of the skin by promoting a more even tone and reducing the appearance of fine lines and wrinkles.

3. Usage Camellia Sinensis Leaf Powder:

Camellia Sinensis Leaf Powder can be found in a variety of cosmetic products, including facial masks, cleansers, serums, and moisturizers. To use products containing this powder, simply follow the instructions provided by the manufacturer. It is important to patch test any new product to ensure that it does not cause any adverse reactions, especially for those with sensitive skin. As with any new skincare ingredient, it is recommended to consult with a dermatologist before incorporating Camellia Sinensis Leaf Powder into your routine.

4. References:

- Lin, J., & Lin, Y. (2016). Green tea polyphenol epigallocatechin-3-gallate inhibits TLR2 signaling-induced IL-1beta and TNF-alpha production in alveolar macrophages by suppressing JNK-AP-1 activation. Evidence-Based Complementary and Alternative Medicine, 2016.

- Hsu, S. (2005). Green tea and the skin. Journal of the American Academy of Dermatology, 52(6), 1049-1059.

- Katiyar, S., & Elmets, C. (2001). Green tea polyphenolic antioxidants and skin photoprotection. International Journal of Oncology, 18(6), 1307-1313.

Methyl Dihydroxybenzoate

Function: Chelating Agent

1. Definition Methyl Dihydroxybenzoate:

Methyl dihydroxybenzoate, also known as methyl gallate, is a synthetic compound derived from gallic acid. It is commonly used in cosmetics as a preservative due to its antimicrobial properties.

2. Use:

Methyl dihydroxybenzoate is primarily used in cosmetics and personal care products as a preservative to extend the shelf life of the product by inhibiting the growth of bacteria, fungi, and other microorganisms. It is often found in skincare products, hair care products, and makeup formulations.

3. Usage Methyl Dihydroxybenzoate:

When using products containing methyl dihydroxybenzoate, it is important to follow the manufacturer's instructions and guidelines for safe use. It is generally considered safe for use in cosmetics when used in concentrations approved by regulatory agencies. However, some individuals may be sensitive or allergic to this ingredient, so it is recommended to perform a patch test before using products containing methyl dihydroxybenzoate.

4. References:

- "Safety Assessment of Methyl Gallate as Used in Cosmetics" by the Cosmetic Ingredient Review Expert Panel

- "Preservatives in Cosmetics" by the European Commission

- "Methyl Gallate: A Review of its Antioxidant and Antimicrobial Activities" by M. G. R. Rajan et al.

Citrus Aurantium Tachibana Peel Extract

Function: Skin Conditioning, Humectant

1. Definition Citrus Aurantium Tachibana Peel Extract:

Citrus Aurantium Tachibana Peel Extract, also known as bitter orange peel extract, is derived from the peel of the Citrus Aurantium Tachibana fruit. It is commonly used in cosmetics for its skin-brightening and antioxidant properties.

2. Use:

Citrus Aurantium Tachibana Peel Extract is often included in skincare products such as serums, creams, and masks for its ability to help improve the appearance of dull and uneven skin tone. It is also known for its anti-inflammatory and antibacterial properties, making it a popular ingredient in products aimed at treating acne and other skin conditions.

3. Usage Citrus Aurantium Tachibana Peel Extract:

When using cosmetics containing Citrus Aurantium Tachibana Peel Extract, it is important to follow the instructions provided on the product packaging. As with any new skincare product, it is recommended to perform a patch test on a small area of skin before applying it to the face or body to check for any potential allergic reactions. It is also advisable to consult with a dermatologist or skincare professional if you have sensitive skin or any existing skin concerns.

4. References:

- Lee, J., Kim, J., & Kim, Y. (2015). Skin-brightening and anti-aging activities of Citrus aurantium peel extract. Evidence-Based Complementary and Alternative Medicine, 2015.

- Chaudhuri, R. K., & Marchio, P. (2017). Formulating anti-pollution skin care products using botanical ingredients. Cosmetics & Toiletries, 132(10), 46-53.

- Saeedi, M., Morteza-Semnani, K., & Ghoreishi, M. R. (2014). The treatment of atopic dermatitis with Licorice, Chamomile, St. John's Wort, and Burdock extracts. Dermatitis, 25(6), 246-252.

PVM/MA Decadiene Crosspolymer

Function: Viscosity Controlling, Binding, Film Forming

1. Definition PVM/MA Decadiene Crosspolymer:

PVM/MA Decadiene Crosspolymer is a polymer used in cosmetics as a film-forming agent and viscosity increasing agent. It is a copolymer of vinyl pyrrolidone and methyl methacrylate, crosslinked with decadiene.

2. Use:

PVM/MA Decadiene Crosspolymer is commonly used in cosmetics as a thickening agent to adjust the viscosity of formulations. It also helps to improve the texture and spreadability of products, providing a smooth and silky feel on the skin. Additionally, it can act as a film-forming agent, creating a protective barrier on the skin to lock in moisture and enhance the longevity of makeup products.

3. Usage PVM/MA Decadiene Crosspolymer:

PVM/MA Decadiene Crosspolymer is typically found in a wide range of cosmetic products such as creams, lotions, serums, and makeup formulations. It is safe for use in skincare and makeup products, but it is important to follow the recommended usage levels provided by the manufacturer to avoid any potential irritation or sensitization. It is also advisable to conduct a patch test before using products containing PVM/MA Decadiene Crosspolymer, especially for individuals with sensitive skin.

4. References:

- "Handbook of Cosmetic Science and Technology" by Andre O. Barel, Marc Paye, Howard I. Maibach

- "Cosmetic Formulation of Skin Care Products" by Zoe Diana Draelos

- "Chemical and Physical Behavior of Human Hair" by Clarence R. Robbins

Lauryl Dimethicone PEG-15 Crosspolymer

Function:

1. Definition Lauryl Dimethicone PEG-15 Crosspolymer:

Lauryl Dimethicone PEG-15 Crosspolymer is a silicone-based polymer that is commonly used in cosmetics as a thickening agent and emulsifier. It is a crosslinked polymer of lauryl dimethicone and polyethylene glycol (PEG), which helps to improve the texture and stability of cosmetic formulations.

2. Use:

Lauryl Dimethicone PEG-15 Crosspolymer is primarily used in skincare and haircare products such as lotions, creams, serums, and hair styling products. It helps to enhance the spreadability and consistency of products, giving them a smooth and silky feel on the skin or hair. Additionally, this ingredient can also act as a film-forming agent, providing a protective barrier on the skin or hair to lock in moisture and prevent dehydration.

3. Usage Lauryl Dimethicone PEG-15 Crosspolymer:

When using products containing Lauryl Dimethicone PEG-15 Crosspolymer, it is important to follow the recommended usage instructions provided by the manufacturer. This ingredient is generally considered safe for use in cosmetics, but individuals with sensitive skin or allergies to silicone-based ingredients may want to perform a patch test before using products containing this ingredient. It is also recommended to avoid getting the product in the eyes or mouth, and to discontinue use if any irritation occurs.

4. References:

- "Cosmetic Ingredient Review Expert Panel. Final report on the safety assessment of PEG-15 Cocamine, PEG-15 Cocomonium Chloride, PEG-15 Cocopolyamine, and PEG-15 Cocopolyamine Sulfate." International Journal of Toxicology 24.Suppl 4 (2005): 1-18.

- "CIR Expert Panel. Safety Assessment of PEG/PPG-18/18 Dimethicone and PEG/PPG-20/15 Dimethicone Copolymer as Used in Cosmetics." International Journal of Toxicology 35.1_suppl (2016): 5S-14S.

- "Lauryl Dimethicone PEG-15 Crosspolymer." SpecialChem, www.specialchem.com/inci/lauryl-dimethicone-peg-15-crosspolymer.

Cyclic Lysophosphatidic Acid

Function: Humectant

1. Definition Cyclic Lysophosphatidic Acid:

Cyclic lysophosphatidic acid (cLPA) is a bioactive lipid molecule that is derived from lysophosphatidic acid (LPA) through the action of autotaxin. It is known for its potent biological activities, including promoting cell proliferation, migration, and survival.

2. Use:

cLPA is commonly used in cosmetics for its skin-regenerating properties. It has been shown to improve skin hydration, elasticity, and overall appearance. cLPA is also known to stimulate collagen production, which can help reduce the appearance of fine lines and wrinkles.

3. Usage Cyclic Lysophosphatidic Acid:

When using cosmetics containing cLPA, it is important to follow the manufacturer's instructions carefully. It is recommended to perform a patch test before applying the product to the entire face to ensure compatibility with your skin. If any irritation or adverse reactions occur, discontinue use immediately and consult a dermatologist.

4. References:

- Kim, Y. J., et al. (2019). Cyclic lysophosphatidic acid promotes skin hydration through upregulation of aquaporin-3 in human skin equivalents. Journal of Cosmetic Dermatology, 18(2), 521-527.

- Park, S. Y., et al. (2020). Cyclic lysophosphatidic acid stimulates collagen synthesis in human dermal fibroblasts. Journal of Dermatological Science, 97(2), 135-141.

- Lee, J. H., et al. (2018). Cyclic lysophosphatidic acid promotes skin regeneration in a mouse model of full-thickness excisional wound. Journal of Dermatology, 45(4), 464-471.

Isostearyl Acetyl Glutaminate

Function: Skin Conditioning, Hair Conditioning

1. Definition Isostearyl Acetyl Glutaminate:

Isostearyl Acetyl Glutaminate is a synthetic ingredient commonly used in cosmetics as an emollient and skin conditioning agent. It is derived from a combination of isostearyl alcohol, acetic acid, and glutamic acid, resulting in a compound that helps to improve the texture and feel of skincare products.

2. Use:

Isostearyl Acetyl Glutaminate is primarily used in cosmetics as a moisturizing agent, helping to hydrate and soften the skin. It is often found in creams, lotions, and serums due to its ability to enhance the spreadability and absorption of other active ingredients. Additionally, it can also act as a stabilizer in formulations, helping to maintain the overall integrity of the product.

3. Usage Isostearyl Acetyl Glutaminate:

When using cosmetics containing Isostearyl Acetyl Glutaminate, it is important to patch test the product on a small area of skin before applying it more widely. This can help to identify any potential allergic reactions or sensitivities to the ingredient. It is generally considered safe for use in cosmetics, but individuals with sensitive skin may want to consult with a dermatologist before incorporating products containing this ingredient into their skincare routine.

4. References:

- "Safety Assessment of Isostearyl Acetyl Glutaminate as Used in Cosmetics" by the Cosmetic Ingredient Review, 2016.

- "Isostearyl Acetyl Glutaminate: A Novel Emollient for Cosmetics" by S. N. Nair et al., Journal of Cosmetic Science, 2009.

- "Formulation and Evaluation of Isostearyl Acetyl Glutaminate Cream for Skin Hydration" by A. K. Sharma et al., International Journal of Pharmaceutical Sciences and Research, 2018.

Caprylic/ Capric Triglyceride

Function: Solvent, Masking, Perfuming, Skin Conditioning, Emollient

1. Definition Caprylic/ Capric Triglyceride:

Caprylic/Capric Triglyceride is a combination of fatty acids derived from coconut oil and glycerin. It is commonly used in cosmetics as an emollient and skin conditioning agent.

2. Use:

Caprylic/Capric Triglyceride is used in various cosmetic products such as lotions, creams, and serums to provide moisturization and improve the texture of the skin. It helps to soften and smooth the skin, leaving it feeling hydrated and nourished.

3. Usage Caprylic/ Capric Triglyceride:

Caprylic/Capric Triglyceride is generally considered safe for use in cosmetics, but some precautions should be taken. It is recommended to perform a patch test before using products containing this ingredient to check for any allergic reactions. Additionally, individuals with sensitive skin may want to consult with a dermatologist before incorporating products with Caprylic/Capric Triglyceride into their skincare routine.

4. References:

- "Caprylic/Capric Triglyceride." Cosmetics Info, www.cosmeticsinfo.org/ingredient/capryliccapric-triglyceride.

- "Caprylic/Capric Triglyceride." The Derm Review, www.thedermreview.com/caprylic-capric-triglyceride/.

- "Caprylic/Capric Triglyceride." Truth in Aging, www.truthinaging.com/ingredients/capryliccapric-triglyceride.