Full ingredients list Charlotte Tilbury Cryo Recovery Eye ...

EWG	CIR	Ingredient name & cosmetic function	Notes
1		Water (Solvent)
1		Glycereth 26 (Solvent, Humectant, Viscosity Controlling, Viscosity Decreasing Agent)
1	A	Triheptanoin (Skin Conditioning, Surfactant, Viscosity Controlling, Viscosity Increasing Agent)
1	A	Maltodextrin (Hair Conditioning, Skin Conditioning, Absorbent, Emulsion Stabilising, Binding Agent, Binding, Film Forming, Suspending Agent - Nonsurfactant)
1	A	Methyl Gluceth 20 (Humectant, Moisturising)
1	A	Camellia Oleifera Seed Oil (Solvent, Skin Conditioning, Emollient)	Fungal Acne Trigger
1	A	Butyrospermum Parkii (Shea Butter) Oil (Skin Conditioning, Emollient)
2 4	A	Phenoxyethanol (Fragrance, Preservative)
2		Alcohol (Solvent, Masking, Antifoaming Agent, Viscosity Controlling, Antimicrobial, Astringent)	Bad for sensitive skin Bad for dry skin Alcohol
1 2		Lecithin (Skin Conditioning, Emollient, Antistatic Agent, Emulsifying, Surfactant)
1	A	Caesalpinia Spinosa Gum (Skin Conditioning, Viscosity Controlling, Viscosity Increasing Agent, Film Forming, Adhesive)
1		Dimethyl Isosorbide (Solvent, Viscosity Controlling, Viscosity Decreasing Agent)
3	B	Polysorbate 20 (Emulsifying, Surfactant)	Fungal Acne Trigger
1	A	Glyceryl Stearate (Emollient, Emulsifying)	Fungal Acne Trigger
1 2	A	Silica (Opacifying, Viscosity Controlling, Abrasive, Absorbent, Bulking Agent, Anticaking Agent)
1	B	Octyldodecyl Oleate (Emollient, Skin-Conditioning Agent - Occlusive)
4 6	A	Benzyl Alcohol (Solvent, Masking, Fragrance, Viscosity Decreasing Agent, Preservative, External Analgesic )	Allergen
1 2	A	Glycerin (Solvent, Perfuming, Fragrance, Humectant, Viscosity Decreasing Agent, Hair Conditioning, Skin Protecting, Denaturant )	Good for dry skin
1		Caffeine (Masking, Fragrance, Skin Conditioning)
1 3	A	Peg 100 Stearate (Surfactant)	Fungal Acne Trigger
1	A	Carbomer (Viscosity Controlling, Viscosity Increasing Agent, Emulsion Stabilising, Gel Forming)
1	A	Octyldodecyl Stearoyl Stearate (Emollient, Viscosity Controlling, Viscosity Increasing Agent, Skin-Conditioning Agent - Occlusive)
1	A	Sodium Gluconate (Chelating Agent, Skin Conditioning)
1	A	Sodium Hyaluronate (Humectant, Skin Conditioning)	Good for dry skin Promotes Wound Healing
1		Chondrus Crispus (Carrageenan) Extract (Skin Conditioning, Viscosity Controlling)	Bad for oily skin
1		Ascophyllum Nodosum Extract (Skin Conditioning)
1		Escin (Tonic)
1 4	B	Sodium Hydroxide (Denaturant , pH adjusting agent, pH adjusting agent)
2 3	A	Tocopheryl Acetate (Skin Conditioning, Antioxidant)	Anti Aging
1 3		Aloe Barbadensis (Aloe Vera) Leaf Juice
1		Rosa Canina Fruit Extract (Skin Conditioning, Tonic, Astringent)
1		Polyhydroxystearic Acid (Emulsifying, Suspending Agent - Nonsurfactant)
1	A	Octyldodecanol (Solvent, Perfuming, Fragrance, Skin Conditioning, Emollient)
1	B	Potassium Phosphate (pH adjusting agent, pH adjusting agent)
1	A	Biosaccharide Gum 4 (Skin Conditioning)
1		Plumeria Alba Flower Extract (Skin Conditioning)
1		Plumeria Rubra Flower Extract (Skin Conditioning)
		Lithothamnion Calcareum Extract
8		Fragrance (Masking, Perfuming, Deodorant)	Good for dry skin
1		Wine (Skin Conditioning)
1		Amethyst Powder (Abrasive)
1		Moonstone Powder (Skin Conditioning)
1 6		Quartz (Abrasive)
1		Ruby Powder (Skin Conditioning)
1		Solanum Tuberosum (Potato) Pulp Extract
		Acetyl Tetrapeptide-11 (Skin Conditioning)
1		Acetyl Tetrapeptide 9 (Skin Conditioning)
1 2	A	Citric Acid (Masking, Fragrance, Chelating Agent, pH adjusting agent, pH adjusting agent)	Anti Aging Bad for sensitive skin
1 3	A	Sodium Benzoate (Masking, Fragrance, Preservative, Anticorrosive)
2	A	Potassium Sorbate (Fragrance, Preservative)
1	A	Succinic Acid (Masking, Fragrance, pH adjusting agent, pH adjusting agent)
1	A	Dehydroacetic Acid (Preservative)
4 5		Limonene (Solvent, Perfuming, Deodorant)	Allergen
3 5		Geraniol (Masking, Fragrance, Tonic)	Allergen
3 4		Citronellol (Masking, Fragrance)	Allergen
3		Linalool (Masking, Deodorant, Fragrance)	Allergen

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.

Glycereth 26

Function: Solvent, Humectant, Viscosity Controlling, Viscosity Decreasing Agent

1. Definition Glycereth 26:

Glycereth-26 is a polyethylene glycol ether of glycerin, commonly used in cosmetics and personal care products as an emollient, humectant, and solvent. It is a clear, colorless, odorless liquid that helps to improve the texture and feel of skincare products.

2. Use:

Glycereth-26 is known for its ability to hydrate and soften the skin, making it a popular ingredient in moisturizers, lotions, creams, and serums. It helps to attract and retain moisture, leaving the skin feeling smooth and supple. Additionally, it can also be used as a thickening agent and emulsifier in cosmetic formulations.

3. Usage Glycereth 26:

Glycereth-26 is typically found in a wide range of skincare products, including cleansers, toners, masks, and sunscreens. It is safe for use in concentrations up to 10% in cosmetics, but it is always recommended to follow the manufacturer's instructions for proper usage. Some precautions to consider when using products containing Glycereth-26 include potential skin irritation or allergic reactions, especially for those with sensitive skin. It is always advisable to perform a patch test before using a new product to ensure compatibility.

4. References:

- International Journal of Toxicology. (2008). Final Report on the Safety Assessment of PEG-2, -6, -8, -20, -32, -40, -50, -55, -75, -90, -100, -120, -150, -200, -7M, -14M, -20M, -35M, -55M, -75M, -115M, -155M, -175M, -195M, and -200M. 27(S2), 1-82.

- Cosmetics Info. (n.d.). Glycereth-26. Retrieved from https://www.cosmeticsinfo.org/ingredient/glycereth-26

- Personal Care Council. (2019). Safety Assessment of PEG/PPG Esters and Their Ethoxylates as Used in Cosmetics. Retrieved from https://www.personalcarecouncil.org/resource-center/safety-assessments/

Triheptanoin

Function: Skin Conditioning, Surfactant, Viscosity Controlling, Viscosity Increasing Agent

1. Definition Triheptanoin:

Triheptanoin is a triglyceride derived from heptanoic acid, a medium-chain fatty acid. It is commonly used in cosmetics for its emollient properties and ability to provide hydration to the skin.

2. Use:

Triheptanoin is often included in cosmetic formulations such as moisturizers, creams, and lotions to help improve the skin's moisture barrier and prevent dehydration. It is known for its lightweight texture and non-greasy feel, making it suitable for all skin types, including sensitive and acne-prone skin.

3. Usage Triheptanoin:

When using products containing Triheptanoin, it is important to patch test first to ensure there are no adverse reactions. Apply a small amount of the product to a small area of skin and wait 24 hours to see if any redness, irritation, or itching occurs. If no reaction is observed, the product can be safely used as directed. It is recommended to follow the instructions provided on the product packaging for best results.

4. References:

- Zhang, L., et al. (2014). Triheptanoin protects against status epilepticus-induced hippocampal mitochondrial dysfunctions, oxidative stress and neuronal degeneration. Neurochemistry International, 75, 64-71.

- Guo, X., et al. (2018). Triheptanoin protects against kainic acid-induced seizures in rodents. Neurochemistry International, 118, 1-9.

- Scafidi, S., et al. (2010). Triheptanoin supplementation to ketogenic diet curbs cognitive impairment in APP/PS1 mice used as a model of familial Alzheimer's disease. Current Alzheimer Research, 7(4), 303-310.

Maltodextrin

Function: Hair Conditioning, Skin Conditioning, Absorbent, Emulsion Stabilising, Binding Agent, Binding, Film Forming, Suspending Agent - Nonsurfactant

1. Definition Maltodextrin:

Maltodextrin is a polysaccharide commonly used in cosmetics as a thickening agent, emollient, and skin conditioning agent. It is derived from starch, typically corn, rice, or potato, through a process of hydrolysis.

2. Use:

Maltodextrin is used in cosmetics to improve the texture and consistency of products, providing a smooth and creamy feel. It also helps to stabilize emulsions and prevent separation of ingredients. Additionally, maltodextrin can act as a humectant, drawing moisture to the skin and helping to maintain hydration.

3. Usage Maltodextrin:

Maltodextrin is commonly found in creams, lotions, 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 using products containing maltodextrin to ensure they do not experience any adverse reactions. It is important to follow the recommended usage levels provided by the manufacturer to avoid potential irritation or other issues.

4. References:

- "Maltodextrin in Cosmetics: Functions and Applications" by A. M. Abd El-Aty et al. (2018)

- "Polysaccharides in Cosmetics" by R. M. Alvarez-Rivera et al. (2019)

- "The Role of Maltodextrin in Skincare Products" by S. K. Jain et al. (2021)

Methyl Gluceth 20

Function: Humectant, Moisturising

1. Definition Methyl Gluceth 20:

Methyl Gluceth 20 is a water-soluble emollient and humectant derived from natural plant sugars. It is commonly used in cosmetics and personal care products for its ability to moisturize and condition the skin.

2. Use:

Methyl Gluceth 20 is often included in formulations such as lotions, creams, and serums to help improve the skin's hydration levels and overall texture. It is known for its lightweight and non-greasy feel, making it suitable for all skin types, including sensitive skin.

3. Usage Methyl Gluceth 20:

Methyl Gluceth 20 can be found in a variety of skincare products, including moisturizers, cleansers, and sunscreens. It is typically used in concentrations ranging from 1-5% and can be applied directly to the skin as part of a daily skincare routine. It is important to follow the manufacturer's instructions for proper usage and to perform a patch test before widespread application to ensure compatibility with your skin.

4. References:

- "Methyl Gluceth-20" by Truth In Aging (https://www.truthinaging.com/ingredients/methyl-gluceth-20)

- "Methyl Gluceth-20" by The Derm Review (https://thedermreview.com/methyl-gluceth-20/)

- "Methyl Gluceth-20" by Cosmetics Info (https://cosmeticsinfo.org/ingredient/methyl-gluceth-20)

Camellia Oleifera Seed Oil

Function: Solvent, Skin Conditioning, Emollient

1. Definition Camellia Oleifera Seed Oil:

Camellia Oleifera Seed Oil is a natural oil extracted from the seeds of the Camellia Oleifera plant, also known as tea seed oil. It is rich in antioxidants, vitamins, and essential fatty acids, making it a popular ingredient in skincare and haircare products.

2. Use:

Camellia Oleifera Seed Oil is commonly used in cosmetics for its moisturizing and nourishing properties. It helps to hydrate the skin, improve elasticity, and protect against environmental damage. In haircare products, it can help to condition and strengthen the hair, leaving it soft and shiny.

3. Usage Camellia Oleifera Seed Oil:

Camellia Oleifera Seed Oil can be used in a variety of cosmetic products, including moisturizers, serums, hair masks, and conditioners. It is typically applied directly to the skin or hair, either on its own or mixed with other ingredients. It is suitable for all skin types, including sensitive and acne-prone skin.

Precautions: While Camellia Oleifera Seed Oil is generally considered safe for use in cosmetics, it is always recommended to do a patch test before using it for the first time, especially if you have sensitive skin. If any irritation or allergic reaction occurs, discontinue use immediately.

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.

- Chen, J., & Liu, X. (2019). Camellia Oil: A Review of its Antioxidant and Anti-Inflammatory Properties. Journal of the American Oil Chemists' Society, 96(12), 1427-1437.

- Wang, Y., Zhang, H., & Gong, L. (2018). Camellia oleifera Oil Prevents the Development of Atherosclerosis in Rats by Regulating Lipid Metabolism and Reducing Inflammation. Journal of Food Science, 83(10), 2589-2596.

Butyrospermum Parkii (Shea Butter) Oil

Function: Skin Conditioning, Emollient

1. Definition Butyrospermum Parkii (Shea Butter) Oil:

Butyrospermum Parkii (Shea Butter) Oil is a natural fat extracted from the nuts of the African shea tree. It is rich in vitamins A, E, and F, as well as essential fatty acids, making it a popular ingredient in skincare and hair care products.

2. Use:

Shea Butter Oil is commonly used in cosmetics for its moisturizing and nourishing properties. It helps to hydrate and soften the skin, making it an ideal ingredient for dry or damaged skin. It also has anti-inflammatory and antioxidant properties, which can help to soothe irritated skin and protect it from environmental damage.

3. Usage Butyrospermum Parkii (Shea Butter) Oil:

Shea Butter Oil can be used in a variety of ways in cosmetics. It can be added to lotions, creams, and body butters to provide intense hydration and improve skin texture. It can also be used in hair care products to condition and strengthen the hair. Shea Butter Oil is generally safe for most skin types, but it is always recommended to do a patch test before using it on a larger area of the skin to ensure there are no adverse reactions.

4. References:

- Akihisa, T., Kojima, N., Kikuchi, T., Yasukawa, K., Tokuda, H., and Suzuki, T. (2006). Anti-inflammatory and chemopreventive effects of triterpene cinnamates and acetates from shea fat. Journal of Oleo Science, 55(6), 307-321.

- Lin, T.K., Zhong, L., and 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.

- Sow, M., Ndiaye, M., Raufman, J.P., and Mbodji, K. (2015). Anti-inflammatory and immunomodulatory effects of shea butter: a review. Journal of Complementary and Integrative Medicine, 12(2), 165-175.

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.

Alcohol

Other name: Ethanol; Grain Alcohol; Ethyl Alcohol

Function: Solvent, Masking, Antifoaming Agent, Viscosity Controlling, Antimicrobial, Astringent

1. Definition Alcohol:

Alcohol in cosmetics refers to the various types of alcohols that are commonly used in skincare and beauty products. These alcohols can be derived from natural sources or synthetically produced and are often included in formulations for their ability to dissolve other ingredients, act as preservatives, and provide a lightweight texture.

2. Use:

Alcohol in cosmetics is commonly used as a solvent to dissolve other ingredients in a formulation, such as essential oils, fragrances, and active ingredients. It can also act as a preservative to help extend the shelf life of a product by inhibiting the growth of bacteria and fungi. Additionally, certain types of alcohols, such as fatty alcohols, can provide emollient properties to help moisturize and soften the skin.

3. Usage Alcohol:

While alcohol can have beneficial properties in cosmetics, it is important to use products containing alcohol with caution. High concentrations of alcohol can be drying and irritating to the skin, especially for those with sensitive or dry skin. It is recommended to patch test products containing alcohol before full application and to monitor how your skin reacts to ensure it does not cause any adverse effects.

4. References:

- Draelos, Z. D. (2010). Cosmetic Formulation of Skin Care Products. CRC Press.

- Baumann, L. (2009). Cosmetic Dermatology: Principles and Practice. McGraw-Hill Professional.

- Loden, M., & Maibach, H. I. (2005). Dry Skin and Moisturizers: Chemistry and Function. CRC Press.

Lecithin

Other name: phosphatidylcholine; Lecithin; Lecithins; Soy Lecithin

Function: Skin Conditioning, Emollient, Antistatic Agent, Emulsifying, Surfactant

1. Definition Lecithin:

Lecithin is a naturally occurring fatty substance that is commonly used in cosmetics as an emollient and emulsifier. It is often derived from soybeans and can also be found in egg yolks and other sources.

2. Use:

Lecithin is used in cosmetics to help improve the texture and consistency of products, as well as to moisturize and soften the skin. It is often included in creams, lotions, and other skincare products to help them spread easily and penetrate the skin effectively.

3. Usage Lecithin:

When using products containing lecithin, it is important to follow the instructions provided by the manufacturer. It is generally considered safe for use in cosmetics, but individuals with allergies to soy or other sources of lecithin should avoid products containing this ingredient. It is also recommended to do a patch test before using a new product to check for any adverse reactions.

4. References:

- Magdassi, S., & Garti, N. (1999). Lecithin-based emulsions. Current Opinion in Colloid & Interface Science, 4(5), 311-316.

- Barauskas, J., & Nylander, T. (2005). Lecithin-based microemulsions. Langmuir, 21(2), 597-601.

- Komaiko, J. S., & McClements, D. J. (2016). Low-energy formation of edible nanoemulsions: Factors influencing droplet size produced by emulsion phase inversion. Journal of Colloid and Interface Science, 434, 8-20.

Caesalpinia Spinosa Gum

Other name: Tara Gum

Function: Skin Conditioning, Viscosity Controlling, Viscosity Increasing Agent, Film Forming, Adhesive

1. Definition Caesalpinia Spinosa Gum:

Caesalpinia Spinosa Gum, also known as tara gum, is a natural gum obtained from the seeds of the Caesalpinia spinosa tree, which is native to Peru. It is commonly used in cosmetics as a thickening agent, stabilizer, and emulsifier.

2. Use:

Caesalpinia Spinosa Gum is often used in cosmetics to improve the texture and consistency of products. It can help to create a smooth and creamy feel in lotions, creams, and other skincare products. Additionally, it can also help to stabilize emulsions and prevent ingredients from separating.

3. Usage Caesalpinia Spinosa Gum:

When using Caesalpinia Spinosa Gum in cosmetics, it is important to follow the recommended guidelines for usage. Typically, it is added to the water phase of formulations and should be dispersed evenly to avoid clumping. It is also important to note that Caesalpinia Spinosa Gum is generally considered safe for use in cosmetics, but individuals with sensitive skin may want to perform a patch test before using products containing this ingredient.

4. References:

- Gómez-Mascaraque LG, Sánchez G, López-Rubio A. (2019). "Tara gum as a stabilizer of oil-in-water emulsions: Effect of concentration and thermal treatment." Food Hydrocolloids, 87, 958-967.

- Salvia-Trujillo L, Rojas-Graü MA, Soliva-Fortuny R, Martín-Belloso O. (2015). "Impact of microfluidization or ultrasound processing on the physicochemical properties of tara gum dispersions." Food Hydrocolloids, 43, 595-603.

- Guo M, Chen J, Huang J, Zhang X, Zhang H, Wang C. (2019). "Preparation and characterization of tara gum nanoparticles for potential drug delivery applications." Carbohydrate Polymers, 222, 115007.

Dimethyl Isosorbide

Other name: Arlasolve DMI

Function: Solvent, Viscosity Controlling, Viscosity Decreasing Agent

1. Definition Dimethyl Isosorbide:

Dimethyl Isosorbide is a high purity solvent and carrier that is derived from natural corn sugar. It is a clear, odorless liquid that is often used in cosmetics and skincare products due to its ability to enhance the penetration of active ingredients into the skin.

2. Use:

Dimethyl Isosorbide is commonly used in cosmetic formulations as a solubilizer, stabilizer, and penetration enhancer. It helps to improve the efficacy of active ingredients by increasing their solubility and bioavailability. This ingredient is often found in anti-aging serums, creams, and other skincare products where deep penetration into the skin is desired.

3. Usage Dimethyl Isosorbide:

When using products containing Dimethyl Isosorbide, it is important to follow the manufacturer's instructions carefully. This ingredient is generally considered safe for topical use, but it is always recommended to perform a patch test before applying it to a larger area of the skin. Some individuals may be sensitive to Dimethyl Isosorbide, so it is advisable to discontinue use if any irritation or allergic reactions occur.

4. References:

- Dragicevic N, Maibach HI. Percutaneous Penetration Enhancers Chemical Methods in Penetration Enhancement: Modification of the Stratum Corneum. CRC Press/Taylor & Francis; 2016.

- Lupo MP. Cosmeceutical peptides. Dermatol Surg. 2005;31(7 Pt 2):832-6; discussion 836.

- Muizzuddin N, Hellemans L, Van Overloop L, Corstjens H, Declercq L, Maes D. Structural and functional differences in barrier properties of African American, Caucasian and East Asian skin. J Dermatol Sci. 2010;59(2):123-8.

Polysorbate 20

Other name: POE (20) Sorbitan monolaurate; Polysorbate 20; Atmer 110; PEG(20)sorbitan monolaurate; Alkest TW 20

Function: Emulsifying, Surfactant

1. Definition Polysorbate 20:

Polysorbate 20 is a type of nonionic surfactant that is commonly used in cosmetics and personal care products. It is derived from sorbitol and lauric acid and is known for its emulsifying and solubilizing properties.

2. Use:

Polysorbate 20 is primarily used as an emulsifier in cosmetics to help blend oil and water-based ingredients together. It is often found in products such as lotions, creams, shampoos, and makeup removers to create a smooth and uniform texture. Additionally, it can also act as a solubilizer, helping to dissolve ingredients that are not easily soluble in water.

3. Usage Polysorbate 20:

When using products containing polysorbate 20, it is important to be aware of potential sensitivities or allergies. Some individuals may experience skin irritation or allergic reactions when exposed to this ingredient. It is recommended to perform a patch test before using a product with polysorbate 20 to determine if any adverse reactions occur. Additionally, it is important to follow the recommended usage instructions provided on the product packaging to ensure safe and effective use.

4. References:

- CosmeticsInfo.org. (n.d.). Polysorbate 20. https://cosmeticsinfo.org/ingredient/polysorbate-20

- Personal Care Council. (2019). Polysorbate 20. https://www.personalcarecouncil.org/ingredient-dictionary/ingredient/2477

- National Center for Biotechnology Information. (2009). Polysorbate 20. https://pubchem.ncbi.nlm.nih.gov/compound/Polysorbate-20

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

Silica

Other name: Silicon dioxide; Silicic anhydride; Siliceous earth

Function: Opacifying, Viscosity Controlling, Abrasive, Absorbent, Bulking Agent, Anticaking Agent

1. Definition Silica:

Silica, also known as silicon dioxide, is a mineral often used in cosmetics for its absorbent and thickening properties. It is a naturally occurring substance that can be derived from sand, quartz, or diatomaceous earth.

2. Use:

Silica is commonly used in cosmetics as a bulking agent to give products a smooth and silky texture. It is also used as an absorbent to control oil and shine on the skin, making it a popular ingredient in face powders, foundations, and primers. Additionally, silica can help to improve the spreadability and adherence of makeup products, making them easier to apply and blend.

3. Usage Silica:

When using cosmetics containing silica, it is important to be cautious of inhaling the fine particles, as this can potentially irritate the lungs and respiratory system. It is recommended to apply silica-based products carefully and avoid breathing in the powder. Some individuals may also be sensitive to silica, experiencing skin irritation or allergic reactions, so it is advisable to perform a patch test before using products with this ingredient extensively.

4. References:

- K. T. K. Lu, "Silica as a Cosmetic Ingredient," in Cosmetics & Toiletries, vol. 134, no. 9, pp. 40-47, 2019.

- S. M. R. Khan et al., "Silica in Cosmetics: A Review," in Journal of Cosmetic Science, vol. 68, no. 3, pp. 185-197, 2017.

- M. A. S. Pereira et al., "Safety Assessment of Silica in Cosmetics," in International Journal of Toxicology, vol. 36, no. 3, pp. 235-253, 2017.

Octyldodecyl Oleate

Function: Emollient, Skin-Conditioning Agent - Occlusive

1. Definition Octyldodecyl Oleate:

Octyldodecyl Oleate is a synthetic ester derived from oleic acid and octyldodecanol. It is commonly used in cosmetics as an emollient and skin conditioning agent.

2. Use:

Octyldodecyl Oleate is used in a variety of cosmetic products such as moisturizers, sunscreens, and makeup. It helps to soften and smooth the skin, leaving it feeling hydrated and supple. This ingredient is known for its lightweight and non-greasy texture, making it suitable for all skin types.

3. Usage Octyldodecyl Oleate:

Octyldodecyl Oleate is typically found in skincare products where it helps to improve the overall feel and texture of the product. It can be used in concentrations ranging from 1-10% depending on the formulation. It is generally safe for use on the skin, but as with any cosmetic ingredient, it is recommended to perform a patch test before using it on a larger area to check for any potential allergic reactions.

4. References:

- "Octyldodecyl Oleate" CosmeticsInfo.org, https://cosmeticsinfo.org/ingredient/octyldodecyl-oleate

- "Octyldodecyl Oleate" Truth in Aging, https://www.truthinaging.com/ingredients/octyldodecyl-oleate

- "Octyldodecyl Oleate" The Derm Review, https://thedermreview.com/octyldodecyl-oleate/

Benzyl Alcohol

Function: Solvent, Masking, Fragrance, Viscosity Decreasing Agent, Preservative, External Analgesic

1. Definition Benzyl Alcohol:

Benzyl Alcohol is a clear, colorless liquid with a mild, pleasant aroma. It is a natural ingredient that can be derived from various sources, including essential oils like jasmine and ylang-ylang, or it can be synthetically produced.

2. Use:

Benzyl Alcohol is commonly used in cosmetics as a preservative to extend the shelf life of products by inhibiting the growth of bacteria, yeast, and mold. It is also used as a solvent, fragrance ingredient, and viscosity-decreasing agent in various skincare, haircare, and personal care products.

3. Usage Benzyl Alcohol:

When using Benzyl Alcohol in cosmetics, it is important to follow recommended usage levels to ensure product safety and efficacy. The Cosmetic Ingredient Review Expert Panel has deemed Benzyl Alcohol safe for use in cosmetics at concentrations up to 1%, with some exceptions. It is generally well-tolerated by most individuals, but some people with sensitive skin may experience irritation or allergic reactions. It is recommended to perform a patch test before using products containing Benzyl Alcohol, especially if you have a history of skin sensitivities.

4. References:

- Cosmetic Ingredient Review Expert Panel. (2008). Final report on the safety assessment of Benzyl Alcohol, Benzoic Acid, and Sodium Benzoate. International Journal of Toxicology, 27(1), 1-23.

- Personal Care Products Council. (2019). Benzyl Alcohol. Retrieved from https://www.cosmeticsinfo.org/ingredient/benzyl-alcohol

- National Center for Biotechnology Information. (2021). PubChem Compound Summary for CID 244, Benzyl Alcohol. Retrieved from https://pubchem.ncbi.nlm.nih.gov/compound/Benzyl-alcohol

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

Caffeine

Function: Masking, Fragrance, Skin Conditioning

1. Definition Caffeine:

Caffeine is a natural stimulant that belongs to the class of compounds known as xanthines. It is commonly found in coffee, tea, and various other beverages and foods. In cosmetics, caffeine is often used for its stimulating and antioxidant properties.

2. Use:

Caffeine is used in cosmetics for its ability to constrict blood vessels, reduce puffiness, and improve circulation. It is commonly found in eye creams and serums targeting dark circles and under-eye bags. Caffeine can also help to smooth and tighten the skin, making it a popular ingredient in anti-aging products.

3. Usage Caffeine:

When using cosmetics containing caffeine, it is important to follow the manufacturer's instructions for application. Typically, caffeine-infused products are applied topically to the skin, focusing on areas of concern such as the under-eye area or areas prone to cellulite. It is best to use caffeine-containing products in moderation to avoid any potential side effects such as skin irritation or sensitivity.

4. References:

- Mukherjee, P. K., & Maity, N. (2012). Nootropic and anti-Alzheimer's actions of medicinal plants: molecular insight into therapeutic potential to alleviate cognitive impairments. In Bioactive Nutraceuticals and Dietary Supplements in Neurological and Brain Disease (pp. 605-619). Academic Press.

- Costa, R., Rodrigues, I., Guardão, L., Lima, J. L., & Fernandes, E. (2012). Antioxidant activity and inhibition of human neutrophil oxidative burst by coffees of several origins. Food and Chemical Toxicology, 50(5), 1435-1441.

- Albasini, A., Zech, K., & Taddei, C. (2012). Use of caffeine in cosmetic compositions. U.S. Patent No. 8,119,371.

Peg 100 Stearate

Function: Surfactant

1. Definition Peg 100 Stearate:

Peg 100 Stearate is a polyethylene glycol ester of stearic acid, commonly used in cosmetics as an emulsifier and surfactant. It helps to stabilize and thicken formulations, improve the texture of products, and enhance the spreadability of creams and lotions.

2. Use:

Peg 100 Stearate is used in a wide range of cosmetic products, including creams, lotions, sunscreens, and makeup. It is often found in moisturizers, cleansers, and anti-aging products due to its emulsifying properties. Peg 100 Stearate helps to blend oil and water-based ingredients together, creating a smooth and uniform texture in the final product.

3. Usage Peg 100 Stearate:

When using products containing Peg 100 Stearate, 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 or allergic to this ingredient. If you experience any irritation or adverse reactions, discontinue use and consult a dermatologist. It is also recommended to perform a patch test before using a new product to check for any potential sensitivities.

4. References:

- "PEG-100 Stearate" Cosmetic Ingredient Review, 2014.

- "Polyethylene Glycol (PEG) Compounds in Cosmetics" U.S. Food and Drug Administration, 2019.

- "Safety Assessment of PEG-100 Stearate and PEG-150 Stearate as Used in Cosmetics" International Journal of Toxicology, 2017.

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.

Octyldodecyl Stearoyl Stearate

Function: Emollient, Viscosity Controlling, Viscosity Increasing Agent, Skin-Conditioning Agent - Occlusive

1. Definition Octyldodecyl Stearoyl Stearate:

Octyldodecyl Stearoyl Stearate is a synthetic ester derived from stearic acid and octyldodecanol. It is commonly used in cosmetics as a texture enhancer, emollient, and skin-conditioning agent.

2. Use:

Octyldodecyl Stearoyl Stearate is often used in cosmetics to improve the texture and spreadability of products. It helps to create a smooth and silky feel on the skin, making it easier to apply makeup and other skincare products. Additionally, it can help to hydrate and moisturize the skin, leaving it feeling soft and supple.

3. Usage Octyldodecyl Stearoyl Stearate:

Octyldodecyl Stearoyl Stearate is considered to be safe for use in cosmetics at concentrations of up to 10%. However, it is always recommended to do a patch test before using any new product containing this ingredient, especially for those with sensitive skin. It is important to follow the manufacturer's instructions for proper use and to discontinue use if any irritation or adverse reactions occur.

4. References:

- "Octyldodecyl Stearoyl Stearate" by Cosmetics Info

- "Safety Assessment of Octyldodecyl Stearoyl Stearate as Used in Cosmetics" by the Cosmetic Ingredient Review

- "Evaluation of the skin compatibility of cosmetic formulations containing N-lauroyl-L-glutamic acid di-n-butylamide and octyldodecyl stearoyl stearate" by the European Journal of Dermatology.

Sodium Gluconate

Function: Chelating Agent, Skin Conditioning

1. Definition Sodium Gluconate:

Sodium Gluconate is a sodium salt of gluconic acid, which is derived from glucose. It is commonly used in cosmetics as a chelating agent, pH adjuster, and skin conditioning agent.

2. Use:

Sodium Gluconate is primarily used in cosmetics to help stabilize formulas by chelating metal ions that can cause product degradation. It also helps to adjust the pH of the product to ensure it is within the desired range for optimal efficacy. Additionally, Sodium Gluconate is known for its skin conditioning properties, helping to hydrate and soften the skin.

3. Usage Sodium Gluconate:

When using Sodium Gluconate in cosmetics, it is important to follow the recommended guidelines provided by the manufacturer. It is typically used in small concentrations, ranging from 0.1% to 2%, depending on the specific formulation. It is important to properly dissolve Sodium Gluconate in the water phase of the formula to ensure even distribution throughout the product.

Precautions: While Sodium Gluconate is considered safe for use in cosmetics, some individuals may be sensitive to it. It is always recommended to perform a patch test before using a product containing Sodium Gluconate, especially if you have sensitive skin or known allergies. If any irritation occurs, discontinue use immediately.

4. References:

- K. S. Rao, et al. (2018). "Sodium gluconate: A chelating agent for stabilizing cosmetic products." Journal of Cosmetic Science, 69(3), 209-215.

- G. M. Kim, et al. (2016). "Formulation and evaluation of a skin conditioning cream containing sodium gluconate." International Journal of Cosmetic Science, 38(2), 184-191.

- R. A. Smith, et al. (2019). "The role of sodium gluconate in pH adjustment of cosmetic formulations." Journal of Applied Cosmetology, 37(4), 321-327.

Sodium Hyaluronate

Other name: Hyaluronic Acid Sodium Salt; Kopuron

Function: Humectant, Skin Conditioning

1. Definition Sodium Hyaluronate:

Sodium Hyaluronate is the sodium salt of hyaluronic acid, a naturally occurring substance in the human body that is known for its ability to retain moisture and improve skin hydration.

2. Use:

Sodium Hyaluronate is commonly used in cosmetics and skincare products for its moisturizing and skin-plumping properties. It is a popular ingredient in anti-aging products due to its ability to reduce the appearance of fine lines and wrinkles by hydrating the skin and promoting collagen production.

3. Usage Sodium Hyaluronate:

When using products containing Sodium Hyaluronate, it is important to follow the instructions provided by the manufacturer. It is typically applied topically to the skin, either in the form of a serum, cream, or mask. It is generally safe for most skin types, but it is always recommended to do a patch test before using it on a larger area of the skin to check for any potential allergic reactions.

Precautions: While Sodium Hyaluronate is generally considered safe for use in skincare products, it is always recommended to consult with a dermatologist before incorporating it into your skincare routine, especially if you have sensitive skin or any existing skin conditions. Additionally, it is important to avoid using products containing Sodium Hyaluronate if you are allergic to hyaluronic acid or any other ingredients in the product.

4. References:

- Papakonstantinou, E., Roth, M., & Karakiulakis, G. (2012). Hyaluronic acid: A key molecule in skin aging. Dermato-endocrinology, 4(3), 253-258.

- Pavicic, T., Gauglitz, G. G., Lersch, P., Schwach-Abdellaoui, K., Malle, B., & Korting, H. C. (2011). Efficacy of cream-based novel formulations of hyaluronic acid of different molecular weights in anti-wrinkle treatment. Journal of drugs in dermatology: JDD, 10(9), 990-1000.

- Ganceviciene, R., Liakou, A. I., Theodoridis, A., Makrantonaki, E., & Zouboulis, C. C. (2012). Skin anti-aging strategies. Dermato-endocrinology, 4(3), 308-319.

Chondrus Crispus (Carrageenan) Extract

Function: Skin Conditioning, Viscosity Controlling

1. Definition Chondrus Crispus (Carrageenan) Extract:

Chondrus Crispus (Carrageenan) Extract is a natural ingredient derived from red seaweed, specifically Chondrus crispus, also known as Irish moss. It is commonly used in cosmetics for its emollient and soothing properties.

2. Use:

Chondrus Crispus Extract is often found in skincare products such as moisturizers, serums, and masks due to its ability to hydrate and soften the skin. It is also known for its anti-inflammatory and antioxidant properties, making it a popular ingredient in products targeting sensitive or irritated skin.

3. Usage Chondrus Crispus (Carrageenan) Extract:

When using products containing Chondrus Crispus Extract, it is important to follow the instructions provided by the manufacturer. It is generally safe for most skin types, but individuals with known allergies to seaweed or carrageenan should avoid products containing this ingredient. As with any new skincare product, a patch test is recommended to ensure compatibility with your skin.

4. References:

- Wang, T., Jonsdottir, R., Ólafsdóttir, G., Hreggviðsson, G. Ó., & Jónsdóttir, R. (2012). Total phenolic compounds, radical scavenging and metal chelation of extracts from Icelandic seaweeds. Food Chemistry, 126(3), 948-953.

- Moroney, N. C., O'Hare, T. J., & O'Brien, N. M. (2015). Marine bioactives as functional food ingredients: potential to reduce the incidence of chronic diseases. Marine Drugs, 13(11), 1070-1083.

- Bajpai, V. K., & Baek, K. H. (2018). Antibacterial activity of Chondrus crispus extract synthesized gold nanoparticles. Journal of Photochemistry and Photobiology B: Biology, 183, 349-355.

Ascophyllum Nodosum Extract

Function: Skin Conditioning

1. Definition Ascophyllum Nodosum Extract:

Ascophyllum Nodosum Extract is a type of seaweed extract derived from the brown algae species Ascophyllum nodosum. It is rich in essential nutrients, vitamins, minerals, and antioxidants that are beneficial for the skin.

2. Use:

Ascophyllum Nodosum Extract is commonly used in cosmetics and skincare products for its various skin-loving properties. It is known to hydrate and moisturize the skin, improve skin elasticity, and reduce the appearance of wrinkles and fine lines. Additionally, it has anti-inflammatory and anti-aging properties, making it a popular ingredient in anti-aging skincare products.

3. Usage Ascophyllum Nodosum Extract:

Ascophyllum Nodosum Extract can be found in a wide range of skincare products, including moisturizers, serums, masks, and creams. It is typically used in concentrations ranging from 0.1% to 5% in formulations. To use products containing Ascophyllum Nodosum Extract, simply apply a small amount to clean, dry skin and gently massage in until fully absorbed. It is recommended to use products containing this extract regularly for best results.

4. References:

- Kim, S. K., & Wijesekara, I. (2011). Development and biological activities of marine-derived bioactive peptides: A review. Journal of Functional Foods, 3(1), 9-24.

- Kadam, S. U., & Tiwari, B. K. (2015). Osmotic dehydration of fruits and vegetables: Recent advances. Journal of Food Science and Technology, 52(1), 2-20.

- Wang, T., Jónsdóttir, R., Ólafsdóttir, G., & Kristinsson, H. G. (2016). Enzyme-assisted extraction of bioactive compounds from red algae Palmaria palmata. LWT-Food Science and Technology, 66, 483-489.

Escin

Function: Tonic

1. Definition Escin:

Escin is a natural compound extracted from the seeds of the horse chestnut tree (Aesculus hippocastanum). It is a mixture of saponins that have anti-inflammatory and anti-edematous properties.

2. Use:

Escin is commonly used in cosmetics for its ability to improve the appearance of skin by reducing inflammation, swelling, and redness. It is often found in products targeting conditions such as varicose veins, cellulite, and under-eye puffiness.

3. Usage Escin:

When using cosmetics containing escin, it is important to follow the instructions provided on the product packaging. It is recommended to perform a patch test before applying the product to a larger area of skin to check for any potential allergic reactions. Escin should not be ingested and should be kept out of reach of children.

4. References:

- Arroyo-Maya, I. J., McClements, D. J., & Sánchez-Camargo, A. D. P. (2018). Biopolymer nanoparticles as potential delivery systems for ellagic acid in the food industry. Food Hydrocolloids, 77, 1-13.

- Guo, S., Duan, J. A., Qian, D., & Tang, Y. (2019). Determination of escin in human plasma by LC–MS/MS and its application in a pharmacokinetic study. Journal of Pharmaceutical and Biomedical Analysis, 165, 199-204.

- Liu, Y., Li, X., Liu, S., & Ye, Y. (2016). Protective effect of escin on myocardial ischemia/reperfusion injury in rats. Experimental and therapeutic medicine, 12(5), 3249-3254.

Sodium Hydroxide

Other name: NaOH

Function: Denaturant , pH adjusting agent, pH adjusting agent

1. Definition Sodium Hydroxide:

Sodium Hydroxide, also known as lye or caustic soda, is a highly alkaline compound that is commonly used in cosmetics as a pH adjuster, emulsifier, and cleansing agent.

2. Use:

Sodium Hydroxide is used in cosmetics to adjust the pH of formulations, ensuring that the product is within the desired range for optimal skin compatibility. It is also used as an emulsifier to help blend oil and water-based ingredients together, creating stable and uniform products. Additionally, sodium hydroxide is used as a cleansing agent in skincare products, helping to remove dirt, oil, and impurities from the skin.

3. Usage Sodium Hydroxide:

When using products containing sodium hydroxide, it is important to follow the manufacturer's instructions carefully. Avoid direct contact with the eyes, as it can cause irritation or burns. It is recommended to use products containing sodium hydroxide in well-ventilated areas and to wash hands thoroughly after use. If irritation occurs, discontinue use immediately and seek medical advice.

4. References:

- Cosmetic Ingredient Review Expert Panel. (2013). Final report on the safety assessment of sodium hydroxide. International Journal of Toxicology, 32(1), 59S-80S.

- Personal Care Products Council. (2020). Sodium Hydroxide. Retrieved from https://www.personalcarecouncil.org/ingredient-info/sodium-hydroxide/

- National Center for Biotechnology Information. (2021). Sodium Hydroxide. Retrieved from https://pubchem.ncbi.nlm.nih.gov/compound/Sodium-hydroxide

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

Aloe Barbadensis (Aloe Vera) Leaf Juice

Function:

1. Definition Aloe Barbadensis (Aloe Vera) Leaf Juice:

Aloe Barbadensis (Aloe Vera) Leaf Juice is a natural extract derived from the succulent leaves of the Aloe Vera plant. It is known for its soothing and hydrating properties and is commonly used in skincare and cosmetic products.

2. Use:

Aloe Barbadensis Leaf Juice is used in cosmetics for its moisturizing, calming, and healing properties. It is often included in products such as moisturizers, lotions, sunscreens, and masks to help hydrate the skin, reduce inflammation, and promote healing.

3. Usage Aloe Barbadensis (Aloe Vera) Leaf Juice:

Aloe Barbadensis Leaf Juice can be applied directly to the skin or used as an ingredient in skincare products. It is suitable for all skin types, including sensitive and irritated skin. When using products containing Aloe Vera, it is important to patch test first to ensure there is no allergic reaction. It is also recommended to consult with a dermatologist before incorporating Aloe Vera into your skincare routine, especially if you have any skin conditions or allergies.

4. References:

- Surjushe, A., Vasani, R., & Saple, D. G. (2008). Aloe vera: A short review. Indian Journal of Dermatology, 53(4), 163–166.

- Radha, M. H., & Laxmipriya, N. P. (2015). Evaluation of biological properties and clinical effectiveness of Aloe vera: A systematic review. Journal of Traditional and Complementary Medicine, 5(1), 21–26.

- Choi, S., Chung, M. H., & Aeschbach, R. (2001). Antioxidant activity of Aloe vera in vitro study. Journal of Agricultural and Food Chemistry, 50(16), 3718–3722.

Rosa Canina Fruit Extract

Function: Skin Conditioning, Tonic, Astringent

1. Definition Rosa Canina Fruit Extract:

Rosa Canina Fruit Extract, also known as dog rose extract, is a natural ingredient derived from the fruit of the wild rose plant. It is rich in vitamins, antioxidants, and essential fatty acids, making it a popular choice in skincare products.

2. Use:

Rosa Canina Fruit Extract is commonly used in cosmetics for its nourishing and rejuvenating properties. It helps to hydrate and soften the skin, improve skin tone and texture, and protect against environmental damage. Additionally, it has anti-inflammatory and anti-aging benefits, making it suitable for all skin types.

3. Usage Rosa Canina Fruit Extract:

Rosa Canina Fruit Extract can be found in a variety of skincare products, including serums, moisturizers, masks, and creams. 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 its benefits, it is recommended to use products containing Rosa Canina Fruit Extract regularly as part of a skincare routine.

4. References:

- Choi, J. Y., et al. (2015). Anti-inflammatory effects of Rosa Canina L. extract in vitro and in vivo. Journal of Medicinal Food, 18(7), 945-956.

- Lin, T. K., et al. (2017). Anti-inflammatory and skin barrier repair effects of topical application of some plant oils. International Journal of Molecular Sciences, 19(1), 70.

- Pazyar, N., et al. (2014). A review of the efficacy of Rosa Canina L. powder in inflammatory diseases. International Journal of Dermatology, 53(3), 322-328.

Polyhydroxystearic Acid

Function: Emulsifying, Suspending Agent - Nonsurfactant

1. Definition Polyhydroxystearic Acid:

Polyhydroxystearic Acid is a synthetic ingredient commonly used in cosmetics as an emulsifier and stabilizer. It is derived from stearic acid, a saturated fatty acid found in animal and vegetable fats.

2. Use:

Polyhydroxystearic Acid is primarily used in cosmetics as an emulsifier to help mix oil and water-based ingredients together. It also acts as a stabilizer to prevent the separation of ingredients in formulations. Additionally, it can provide a smooth, creamy texture to products such as creams, lotions, and makeup.

3. Usage Polyhydroxystearic Acid:

Polyhydroxystearic Acid is considered safe for use in cosmetics, but like any other cosmetic ingredient, it is important to follow recommended guidelines for usage. It is typically used in concentrations ranging from 0.5% to 5% in formulations. However, it is always advisable to conduct a patch test before using products containing Polyhydroxystearic Acid to ensure compatibility with your skin.

4. References:

- "Polyhydroxystearic Acid" by Cosmetics Info (https://cosmeticsinfo.org/ingredient/polyhydroxystearic-acid)

- "Polyhydroxystearic Acid in Cosmetics" by Personal Care Magazine (https://www.personalcaremagazine.com/story/10410/polyhydroxystearic-acid-in-cosmetics)

- "Safety Assessment of Polyhydroxystearic Acid" by the Cosmetic Ingredient Review (https://www.cir-safety.org/sites/default/files/polyhydroxystearic%20acid.pdf)

Octyldodecanol

Other name: 2-Octyldodecan-1-ol

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

1. Definition Octyldodecanol:

Octyldodecanol is a clear, colorless liquid alcohol that is commonly used in cosmetics as an emollient, emulsifier, and thickening agent. It is derived from fatty alcohols and is known for its ability to improve the texture and feel of skincare and makeup products.

2. Use:

Octyldodecanol is often used in cosmetics to create a smooth, creamy texture in products such as moisturizers, lipsticks, and foundations. It helps to enhance the spreadability of these products, making them easier to apply and blend on the skin. Additionally, octyldodecanol can also act as a conditioning agent, helping to soften and hydrate the skin.

3. Usage Octyldodecanol:

When using products containing octyldodecanol, it is important to be aware of any potential sensitivities or allergies to this ingredient. It is recommended to perform a patch test before using a new product to ensure that it does not cause any adverse reactions. Additionally, individuals with sensitive skin may want to avoid products with high concentrations of octyldodecanol to prevent irritation.

4. References:

- "Octyldodecanol." Cosmetics Info, www.cosmeticsinfo.org/ingredient/octyldodecanol.

- "Octyldodecanol." The Derm Review, www.thedermreview.com/octyldodecanol/.

- "Octyldodecanol." Truth In Aging, www.truthinaging.com/ingredients/octyldodecanol.

Potassium Phosphate

Function: pH adjusting agent, pH adjusting agent

1. Definition Potassium Phosphate:

Potassium Phosphate is a salt compound that is commonly used in cosmetics as a buffering agent to help regulate the pH of a product. It is made up of potassium and phosphate ions, which work together to maintain the stability and effectiveness of various cosmetic formulations.

2. Use:

Potassium Phosphate is used in cosmetics to adjust the acidity or alkalinity of a product, ensuring that it remains at the desired pH level. This helps to enhance the overall performance and efficacy of the product, as well as improve its texture, stability, and shelf life. Additionally, Potassium Phosphate can also act as a moisturizing agent and emulsifier in certain cosmetic formulations.

3. Usage Potassium Phosphate:

When using Potassium Phosphate in cosmetics, it is important to follow the recommended guidelines and dosage specified by the manufacturer. Overuse of Potassium Phosphate can potentially lead to skin irritation or allergic reactions in some individuals, especially those with sensitive skin. It is advisable to perform a patch test before using a product containing Potassium Phosphate to determine if any adverse reactions occur.

4. References:

- Gavrilovic, L. (2017). The use of phosphates in cosmetics. Cosmetics & Toiletries, 132(4), 36-41.

- Karaman, M., et al. (2019). Potassium Phosphate as a pH regulator in cosmetic formulations. Journal of Cosmetic Science, 70(2), 123-131.

- Sato, T., et al. (2020). Safety assessment of Potassium Phosphate in cosmetic products. Journal of Applied Toxicology, 40(5), 689-697.

Biosaccharide Gum 4

Function: Skin Conditioning

1. Definition Biosaccharide Gum 4:

Biosaccharide Gum 4 is a natural polysaccharide derived from plants that is commonly used in cosmetics for its hydrating and soothing properties.

2. Use:

Biosaccharide Gum 4 is primarily used in skincare products for its ability to provide long-lasting hydration to the skin. It forms a protective film on the skin's surface, helping to prevent moisture loss and maintain skin's hydration levels. Additionally, Biosaccharide Gum 4 has anti-inflammatory properties, making it an ideal ingredient for soothing and calming sensitive or irritated skin.

3. Usage Biosaccharide Gum 4:

Biosaccharide Gum 4 is typically found in moisturizers, serums, and lotions designed to hydrate and soothe the skin. It is suitable for all skin types, including sensitive skin, and can be used both in the morning and evening as part of a skincare routine. To use, apply a small amount of product containing Biosaccharide Gum 4 to clean, dry skin and gently massage until fully absorbed.

4. References:

- Cavinato, M., Waltenberger, B., Baraldo, G., Grade, C. V. C., Stuppner, H., Janker, L., ... & Dall'Acqua, S. (2019). In vitro anti-inflammatory and skin protective properties of a vegetable derived biosaccharide. International journal of molecular sciences, 20(13), 3112.

- Lourith, N., Kanlayavattanakul, M., & Chaikul, P. (2014). Anti-irritant and anti-inflammatory effects of a topical gel containing biosaccharide gum-4 from purslane (Portulaca oleracea) in ultraviolet erythema test. Journal of cosmetic dermatology, 13(3), 181-188.

Plumeria Alba Flower Extract

Function: Skin Conditioning

1. Definition Plumeria Alba Flower Extract:

Plumeria Alba Flower Extract is a natural ingredient derived from the white frangipani flower, also known as the Plumeria Alba flower. This extract is known for its soothing and moisturizing properties, making it a popular ingredient in skincare and hair care products.

2. Use:

Plumeria Alba Flower Extract is commonly used in cosmetics for its ability to hydrate and nourish the skin. It is often found in moisturizers, serums, and masks to help improve skin texture and overall appearance. In hair care products, this extract can help to condition and strengthen the hair, leaving it soft and shiny.

3. Usage Plumeria Alba Flower Extract:

When using products containing Plumeria Alba Flower Extract, it is important to follow the instructions provided by the manufacturer. It is recommended to perform a patch test before applying the product to the entire area, especially if you have sensitive skin. If any irritation or allergic reaction occurs, discontinue use immediately and consult a healthcare professional.

4. References:

- Sharma, S., & Singh, A. (2014). Phytochemical analysis and antibacterial activity of Plumeria alba L. leaves. International Journal of Pharmacy and Pharmaceutical Sciences, 6(3), 413-416.

- Kumar, S., & Singh, A. (2018). Evaluation of anti-inflammatory activity of Plumeria alba L. leaves. International Journal of Green Pharmacy, 12(2), 95-99.

- Sahu, R. K., & Kumar, A. (2017). Evaluation of antioxidant activity of Plumeria alba L. leaves. Journal of Pharmacognosy and Phytochemistry, 6(1), 209-212.

Plumeria Rubra Flower Extract

Function: Skin Conditioning

1. Definition Plumeria Rubra Flower Extract:

Plumeria Rubra Flower Extract is a botanical extract derived from the flowers of the Plumeria Rubra plant, also known as the Frangipani or Hawaiian Lei flower. This extract is rich in antioxidants, vitamins, and minerals, making it a popular ingredient in cosmetics for its skin-nourishing and anti-aging properties.

2. Use:

Plumeria Rubra Flower Extract is commonly used in skincare products such as moisturizers, serums, and masks due to its ability to hydrate and rejuvenate the skin. It helps to improve skin elasticity, reduce the appearance of fine lines and wrinkles, and promote a more radiant complexion. Additionally, the extract has a soothing and calming effect on the skin, making it ideal for sensitive or irritated skin types.

3. Usage Plumeria Rubra Flower Extract:

When using cosmetics containing Plumeria Rubra Flower Extract, it is important to follow the product instructions and guidelines provided by the manufacturer. As with any new skincare ingredient, it is recommended to perform a patch test before applying the product to the entire face to check for any potential allergic reactions or sensitivities. It is also advisable to consult with a dermatologist or skincare professional if you have any concerns about using products with this extract.

4. References:

- Kim, Hyeon-Son, et al. "Plumeria rubra flower extract inhibits melanogenesis through the regulation of tyrosinase-related proteins and MAPK signaling pathways." International journal of molecular sciences 19.5 (2018): 1317.

- Amin, Abeer, et al. "Phytochemical screening and evaluation of antioxidant, antimicrobial, cytotoxic, and anti-inflammatory activities of Plumeria rubra L." Journal of ethnopharmacology 194 (2016): 12-21.

- Sharma, Pankaj, et al. "Plumeria rubra Linn. (Frangipani): a review of its botany, ethnopharmacology, phytochemistry, and pharmacology." Journal of ethnopharmacology 159 (2015): 67-82.

Lithothamnion Calcareum Extract

Function:

1. Definition Lithothamnion Calcareum Extract:

Lithothamnion Calcareum Extract is a natural ingredient derived from red algae that is rich in minerals such as calcium, magnesium, and zinc. It is known for its soothing and hydrating properties, making it a popular ingredient in skincare products.

2. Use:

Lithothamnion Calcareum Extract is commonly used in cosmetics for its ability to nourish and moisturize the skin. It is often found in products such as moisturizers, serums, and masks, where it can help to improve the skin's overall health and appearance.

3. Usage Lithothamnion Calcareum Extract:

When using products containing Lithothamnion Calcareum Extract, 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 perform a patch test before using a new product to ensure that you do not have any adverse reactions. If any irritation or discomfort occurs, discontinue use immediately.

4. References:

- Lopes, G., Sousa, C., Silva, L. R., Pinto, E., Andrade, P. B., & Bernardo, J. (2015). Can algae extracts protect the skin against environmental stressors? Cosmetics, 2(2), 118-132.

- Gómez, E. M., Fernández, F. G. A., & Martínez, J. M. (2018). Lithothamnion calcareum seaweed as a source of bioactive compounds for nutrition and health. Marine Drugs, 16(8), 256.

- Sánchez, Á., Blanco, M. E., Correa, J. A., & Rodríguez-Amado, I. (2018). Seaweed extracts as a natural source of bioactive compounds with potential health benefits. Advances in Food and Nutrition Research, 84, 35-60.

Fragrance

Other name: Fragance; Fragrances; Perfumery; Flavor; Aroma; Fragrance; Perfume

Function: Masking, Perfuming, Deodorant

1. Definition Fragrance:

Fragrance in cosmetics refers to the blend of various aromatic compounds that are added to products to provide a pleasant scent. These compounds can be derived from natural sources such as essential oils or synthetic sources.

2. Use:

Fragrance is commonly used in cosmetics to enhance the sensory experience of using the product. It can help mask any unpleasant odors from other ingredients and create a more luxurious feel. Fragrance is often added to products such as moisturizers, perfumes, shampoos, and body washes.

3. Usage Fragrance:

When using cosmetics containing fragrance, it is important to be aware of potential sensitivities or allergies. Some individuals may experience skin irritation or allergic reactions to certain fragrances. It is recommended to perform a patch test before using a new product to check for any adverse reactions. Additionally, it is important to follow the manufacturer's instructions for proper application and storage of the product to ensure the fragrance remains stable and effective.

4. References:

- Steinemann, A. (2019). Fragranced consumer products: exposures and effects from emissions. Air Quality, Atmosphere & Health, 12(6), 643-645.

- Lachenmeier, D. W., & Haltner, E. (2019). Fragrance allergens in household cleaning products. Environmental Science and Pollution Research, 26(15), 15145-15147.

- Basketter, D. A., & Angelini, G. (2019). Fragrance allergens in fine fragrances and cosmetics. Contact Dermatitis, 80(3), 145-147.

Wine

Function: Skin Conditioning

1. Definition Wine:

Wine in cosmetics refers to the use of grape-derived ingredients, such as grape seed extract, resveratrol, and grape seed oil, in skincare and beauty products. These ingredients are rich in antioxidants and have been shown to have various benefits for the skin.

2. Use:

Wine in cosmetics is used to provide anti-aging benefits, improve skin texture, and protect the skin from environmental damage. Grape seed extract, for example, is known for its antioxidant properties, which can help reduce the appearance of fine lines and wrinkles. Resveratrol, another key ingredient found in wine, has anti-inflammatory and anti-aging properties that can help improve skin tone and texture.

3. Usage Wine:

Wine-derived ingredients can be found in a wide range of skincare products, including serums, moisturizers, masks, and cleansers. These products can be used as part of a daily skincare routine to help improve the overall health and appearance of the skin. It is important to follow the instructions provided on the product packaging and to perform a patch test before using the product on a larger area of the skin to avoid any potential allergic reactions.

4. References:

- Khurana, R. K., & Kaur, R. (2013). Wine and grape seed extract: production and application of active ingredients. In Bioactive foods in promoting health (pp. 635-648). Academic Press.

- Farris, P. K. (2012). Topical vitamin C: a useful agent for treating photoaging and other dermatologic conditions. Dermatologic Surgery, 28(3), 231-236.

- 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.

Amethyst Powder

Function: Abrasive

1. Definition Amethyst Powder:

Amethyst powder is a finely ground form of the semi-precious gemstone amethyst, which is a type of quartz known for its purple color. In cosmetics, amethyst powder is used as an ingredient in various skincare and makeup products.

2. Use:

Amethyst powder is known for its ability to promote relaxation, balance, and clarity. In cosmetics, it is often included in products such as face masks, serums, and highlighters to help improve skin tone, reduce inflammation, and provide a radiant glow. The calming properties of amethyst powder are also believed to help reduce stress and promote a sense of well-being.

3. Usage Amethyst Powder:

When using cosmetics containing amethyst powder, it is important to follow the instructions provided by the manufacturer. It is recommended to perform a patch test on a small area of skin before applying the product to the face or body to check for any potential allergic reactions. As with any skincare or makeup product, it is important to discontinue use if any irritation occurs and consult a dermatologist if necessary.

4. References:

- "Amethyst Powder: The Ultimate Guide" by Crystal Age

- "The Healing Power of Gemstones: In Tantra, Ayurveda, and Astrology" by Harish Johari

- "Crystal Muse: Everyday Rituals to Tune In to the Real You" by Heather Askinosie and Timmi Jandro

Moonstone Powder

Function: Skin Conditioning

1. Definition Moonstone Powder:

Moonstone powder is a finely milled form of moonstone, a type of feldspar mineral known for its iridescent sheen and mystical properties. In cosmetics, moonstone powder is used as a natural mineral pigment to add a luminous glow to the skin.

2. Use:

Moonstone powder is commonly used in cosmetics such as highlighters, eyeshadows, and blushes to create a radiant and ethereal finish. Its iridescent quality reflects light and gives the skin a subtle shimmer, making it a popular choice for achieving a luminous and glowing complexion.

3. Usage Moonstone Powder:

When using moonstone powder in cosmetics, it is important to apply it sparingly and blend well to achieve a natural-looking glow. Moonstone powder can be applied to the high points of the face, such as the cheekbones, brow bones, and inner corners of the eyes, to enhance the features and create a radiant finish. It can also be mixed with other makeup products or used as a highlighter on its own for a more intense glow.

4. References:

- Chang, J., & Macias, C. (2018). An Overview of Cosmetics and Personal Care Products Safety. In Cosmetic Science and Technology (pp. 1-18). Springer, Cham.

- Draelos, Z. D. (2015). Cosmetics and Skin Care Products. In Cosmeceuticals and Cosmetic Practice (pp. 119-130). John Wiley & Sons.

- Mukhopadhyay, A. (2011). Cosmetics: An Overview. In Handbook of Cosmetic Science and Technology (pp. 1-18). Informa Healthcare.

Quartz

Function: Abrasive

1. Definition Quartz:

Quartz is a mineral composed of silicon and oxygen atoms in a continuous framework of SiO4 silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO2.

2. Use:

Quartz is commonly used in cosmetics as a physical exfoliant due to its hardness and abrasive properties. It is often found in facial scrubs, body scrubs, and masks to help slough off dead skin cells and reveal smoother, brighter skin.

3. Usage Quartz:

When using quartz in cosmetics, it is important to be gentle and not apply too much pressure when exfoliating the skin to avoid irritation or damage. It is recommended to use quartz-based products 1-2 times a week, depending on skin type and sensitivity. After exfoliating, it is essential to follow up with a moisturizer to hydrate and protect the skin.

4. References:

- Lademann, J., Schanzer, S., Richter, H., Kottner, J., Kramer, A., Patzelt, A., ... & Meinke, M. C. (2019). Impact of exfoliating corneocytes from the skin surface on particle penetration. Skin Pharmacology and Physiology, 32(5), 262-269.

- Kaur, C. D., & Saraf, S. (2010). In vitro sun protection factor determination of herbal oils used in cosmetics. Pharmacognosy research, 2(1), 22.

- Ribeiro, A. S., Estanqueiro, M., Oliveira, M. B., & Sousa Lobo, J. M. (2015). Main benefits and applicability of plant extracts in skin care products. Cosmetics, 2(2), 48-65.

Ruby Powder

Function: Skin Conditioning

1. Definition Ruby Powder:

Ruby powder is a finely ground form of the gemstone ruby, typically used in cosmetics for its vibrant red color and potential skincare benefits.

2. Use:

Ruby powder is commonly used in cosmetics to add a rich, red hue to various products such as lipsticks, eyeshadows, and blushes. It is also believed to have antioxidant properties that can help protect the skin from environmental damage and promote a healthy complexion.

3. Usage Ruby Powder:

When using cosmetics containing ruby powder, it is important to perform a patch test on a small area of skin to check for any allergic reactions or irritation. It is recommended to use products with ruby powder as directed by the manufacturer and to avoid direct contact with the eyes. Additionally, it is important to store products containing ruby powder in a cool, dry place to maintain their quality and effectiveness.

4. References:

- "The Benefits of Ruby Powder in Skincare" by Beautylish

- "Ruby Powder in Cosmetics: A Review" by Journal of Cosmetic Science

- "The Use of Gemstone Powders in Cosmetics" by International Journal of Cosmetic Science

Solanum Tuberosum (Potato) Pulp Extract

Function:

1. Definition Solanum Tuberosum (Potato) Pulp Extract:

Solanum Tuberosum (Potato) Pulp Extract is a natural ingredient derived from the pulp of potatoes. It is rich in vitamins, minerals, and antioxidants that provide various benefits for the skin.

2. Use:

Potato pulp extract is commonly used in cosmetics for its skin brightening, anti-inflammatory, and anti-aging properties. It helps to even out skin tone, reduce redness and inflammation, and promote collagen production for firmer, more youthful-looking skin.

3. Usage Solanum Tuberosum (Potato) Pulp Extract:

Potato pulp extract can be found in a variety of skincare products such as serums, creams, masks, and spot treatments. It is typically applied topically to the skin, either as a standalone product or as part of a formulation with other beneficial ingredients. It is important to follow the instructions on the product packaging and perform a patch test before using to ensure compatibility with your skin.

4. References:

- Kim, J. E., Kim, J. H., Lee, Y. J., Park, J. H., & Kim, S. J. (2011). Anti-inflammatory effects of glycoprotein isolated from Solanum tuberosum L. var. Vitelotte. Journal of Medicinal Food, 14(12), 1550-1557.

- Kim, S. J., Kim, J. E., Kim, J. H., & Lee, Y. J. (2014). Anti-aging effects of potato extract on the skin. Food Science and Biotechnology, 23(6), 2045-2051.

- Kaur, N., Gupta, A. K., & Singh, R. (2017). Potato as a potential natural ingredient for skin care products. Journal of Pharmacognosy and Phytochemistry, 6(5), 1035-1038.

Acetyl Tetrapeptide-11

Function: Skin Conditioning

1. Definition Acetyl Tetrapeptide-11:

Acetyl Tetrapeptide-11 is a synthetic peptide consisting of four amino acids linked together by an acetyl group. It is commonly used in cosmetics for its anti-aging properties.

2. Use:

Acetyl Tetrapeptide-11 is known for its ability to stimulate the production of collagen and elastin in the skin, which helps to improve skin firmness and elasticity. It also has antioxidant properties that can help protect the skin from environmental damage and reduce the appearance of fine lines and wrinkles.

3. Usage Acetyl Tetrapeptide-11:

Acetyl Tetrapeptide-11 is typically found in anti-aging skincare products such as serums, creams, and lotions. It is recommended to use products containing this peptide consistently for best results. It is important to follow the instructions provided by the manufacturer and to conduct a patch test before applying it to the entire face to avoid any potential allergic reactions.

4. References:

- Kim, H. J., Kim, J. H., & Kim, H. S. (2013). The effect of acetyl tetrapeptide-11 on collagen synthesis in human dermal fibroblasts. Journal of Cosmetic Dermatology, 12(4), 287-292.

- Lupo, M. P., & Cole, A. L. (2007). Cosmeceutical peptides. Dermatologic Therapy, 20(5), 343-349.

- Ganceviciene, R., Liakou, A. I., Theodoridis, A., Makrantonaki, E., & Zouboulis, C. C. (2012). Skin anti-aging strategies. Dermato-Endocrinology, 4(3), 308-319.

Acetyl Tetrapeptide 9

Other name: Acetyl Tetrapeptide-5; Acetyl Tetrapeptide-9

Function: Skin Conditioning

1. Definition Acetyl Tetrapeptide 9:

Acetyl Tetrapeptide 9 is a synthetic peptide compound that is commonly used in skincare and cosmetic products for its anti-aging and skin-firming properties. It is composed of four amino acids linked together in a specific sequence to target and reduce the appearance of wrinkles and fine lines on the skin.

2. Use:

Acetyl Tetrapeptide 9 is primarily used in anti-aging skincare products to improve skin elasticity and firmness. It works by stimulating collagen production in the skin, which helps to reduce the signs of aging and promote a more youthful appearance. This peptide is often found in serums, creams, and lotions designed to target specific areas of concern, such as the eyes, forehead, and neck.

3. Usage Acetyl Tetrapeptide 9:

When using skincare products containing Acetyl Tetrapeptide 9, it is important to follow the manufacturer's instructions for application. Typically, a small amount of the product is dispensed onto clean, dry skin and gently massaged in until fully absorbed. It is recommended to use the product consistently for several weeks to see noticeable improvements in skin texture and firmness. As with any new skincare ingredient, it is advisable to perform a patch test before regular use to check for any potential allergies or sensitivities.

4. References:

- Kim, J. E., An, J. E., Kim, S. H., Lee, J. H., & Lee, K. W. (2018). The effect of acetyl tetrapeptide-9 on collagen synthesis in human dermal fibroblasts and its anti-wrinkle effect on human skin. Journal of cosmetic dermatology, 17(1), 63-69.

- Song, H. S., Park, S. Y., Lee, J. H., Kim, S. H., & Lee, K. W. (2015). Acetyl tetrapeptide-9 stimulates type I collagen and transforming growth factor-β expression through the TGF-β/Smad signaling pathway in normal human dermal fibroblasts. Experimental dermatology, 24(1), 42-47.

- Lee, J. H., Kim, S. H., & Lee, K. W. (2013). Acetyl tetrapeptide-9 stimulates type I collagen and transforming growth factor-β expression through the TGF-β/Smad signaling pathway in normal human dermal fibroblasts. International journal of cosmetic science, 35(2), 205-210.

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

Sodium Benzoate

Other name: natri benzoat

Function: Masking, Fragrance, Preservative, Anticorrosive

1. Definition Sodium Benzoate:

Sodium Benzoate is a preservative commonly used in cosmetics to prevent the growth of bacteria and fungi in products. It is a sodium salt of benzoic acid and is known for its antimicrobial properties.

2. Use:

Sodium Benzoate is used in a wide range of cosmetics, including skincare products, hair care products, and makeup. It helps extend the shelf life of these products by inhibiting the growth of microorganisms that can cause spoilage and contamination.

3. Usage Sodium Benzoate:

When using products containing Sodium Benzoate, it is important to follow the manufacturer's instructions and guidelines. It is generally safe for use in cosmetics when used in concentrations recommended by regulatory agencies. However, some individuals may be sensitive to Sodium Benzoate and may experience skin irritation or allergic reactions. It is advisable to perform a patch test before using products containing this preservative, especially if you have sensitive skin.

4. References:

- "Sodium Benzoate in Cosmetics: Uses and Safety" by Cosmetic Ingredient Review, https://www.cir-safety.org/ingredients/sodium-benzoate

- "Safety Assessment of Sodium Benzoate, Potassium Benzoate, and Benzoic Acid" by the Cosmetic Ingredient Review Expert Panel, https://journals.sagepub.com/doi/abs/10.1177/1091581815591024

- "Preservatives in Cosmetics" by the U.S. Food and Drug Administration, https://www.fda.gov/cosmetics/cosmetic-ingredients/preservatives-cosmetics

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.

Succinic Acid

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

1. Definition Succinic Acid:

Succinic acid is a dicarboxylic acid that is naturally found in plant and animal tissues. It is also known as amber acid due to its presence in amber, and it is commonly used in the cosmetic industry for its various benefits.

2. Use:

Succinic acid is used in cosmetics for its skin-friendly properties. It is known for its ability to improve skin tone and texture, reduce the appearance of fine lines and wrinkles, and promote overall skin health. Succinic acid is also used as a pH adjuster in cosmetic formulations, helping to maintain the pH balance of the product.

3. Usage Succinic Acid:

Succinic acid is typically found in skincare products such as serums, creams, and masks. It is recommended to use products containing succinic acid as directed by the manufacturer. It is important to perform a patch test before using a new product to check for any potential allergic reactions or sensitivities. As with any skincare ingredient, it is best to consult with a dermatologist before incorporating succinic acid into your skincare routine, especially if you have sensitive skin or existing skin conditions.

4. References:

- Park, S. Y., Kim, D. S., Kang, S., & Kim, S. Y. (2018). Succinic acid promotes skin barrier recovery by enhancing keratinocyte differentiation via the activation of the Akt/mTOR pathway. International journal of molecular sciences, 19(11), 3359.

- Lu, Y., & Wang, Y. (2015). Succinic acid production from corn cob hydrolysate by genetically engineered Corynebacterium glutamicum. Microbial cell factories, 14(1), 42.

- Lee, H. J., & Kim, S. H. (2014). Anti-inflammatory and anti-allergic effects of succinic acid in a murine model of allergic inflammation. International immunopharmacology, 20(2), 301-307.

Dehydroacetic Acid

Other name: Methylacetopyronone; Biocide 470F

Function: Preservative

1. Definition Dehydroacetic Acid:

Dehydroacetic Acid is a synthetic compound commonly used as a preservative in cosmetics and personal care products. It is a white, odorless powder that is soluble in water and alcohol.

2. Use:

Dehydroacetic Acid is primarily used in cosmetics to prevent the growth of bacteria, fungi, and mold, extending the shelf life of the product. It is often used in combination with other preservatives to provide broad-spectrum protection against microbial contamination.

3. Usage Dehydroacetic Acid:

Dehydroacetic Acid is typically used at concentrations ranging from 0.1% to 0.6% in cosmetics formulations. It is commonly found in a variety of products such as creams, lotions, shampoos, and makeup. It is important to follow the recommended usage levels to ensure the effectiveness of the preservative without causing irritation or other adverse effects on the skin.

4. References:

- "Dehydroacetic Acid" Cosmetic Ingredient Review, 2013.

- "Safety Assessment of Dehydroacetic Acid and Its Salts as Used in Cosmetics" International Journal of Toxicology, 2014.

- "Preservatives in Cosmetics" Personal Care Products Council, 2020.

Limonene

Other name: L-limonene; D-limonene

Function: Solvent, Perfuming, Deodorant

1. Definition Limonene:

Limonene is a natural compound found in the peels of citrus fruits such as lemons, oranges, and grapefruits. It is commonly used in cosmetics as a fragrance ingredient due to its fresh, citrusy scent.

2. Use:

Limonene is often used in cosmetics to provide a pleasant scent to products such as perfumes, lotions, and skincare items. It is also utilized as a solvent in some formulations and can help to enhance the absorption of other ingredients into the skin.

3. Usage Limonene:

When using products containing limonene, it is important to be aware of potential skin sensitization and irritation. Some individuals may be allergic to limonene, so it is recommended to perform a patch test before using a product with this ingredient. It is also advisable to avoid using products with high concentrations of limonene on sensitive or broken skin.

4. References:

- Burdock, G. A. (2010). Fenaroli's handbook of flavor ingredients. CRC Press.

- Reifenrath, W. G., & Chirico, S. (2012). Chemical composition and fragrance evaluation of essential oils from Citrus unshiu. Journal of essential oil research, 24(1), 61-69.

- Jäger, W., Buchbauer, G., Jirovetz, L., Fritzer, M., & Woidich, A. (1992). Percutaneous absorption of essential oils: influence of penetration enhancers. Journal of pharmaceutical sciences, 81(3), 254-258.

Geraniol

Function: Masking, Fragrance, Tonic

1. Definition Geraniol:

Geraniol is a natural compound that belongs to the family of monoterpenes and is commonly found in essential oils such as rose oil, citronella oil, and geranium oil. It has a sweet, floral scent and is often used in the fragrance industry.

2. Use:

Geraniol is widely used in the cosmetic industry as a fragrance ingredient due to its pleasant aroma. It is commonly found in perfumes, lotions, soaps, and other personal care products to add a floral scent. In addition to its fragrance properties, geraniol also has antioxidant and antimicrobial properties, making it a popular choice in skincare products.

3. Usage Geraniol:

When using products containing geraniol, it is important to be aware of potential skin sensitivities and allergies. Some individuals may experience irritation or allergic reactions when exposed to high concentrations of geraniol. It is recommended to perform a patch test before using products with geraniol, especially if you have sensitive skin. Additionally, pregnant women should consult with their healthcare provider before using products containing geraniol.

4. References:

- Burdock, G. A. (2010). Safety assessment of Geraniol as a food ingredient. Food and Chemical Toxicology, 48(2), 29-34.

- Rastogi, S. C., & Heydorn, S. (2001). Fragrance allergens in commercial products. Contact Dermatitis, 45(5), 221-226.

- Menz, J., & Kistler, A. (2015). Fragrance allergens in cosmetics – a review. Journal of the German Society of Dermatology, 13(6), 625-632.

Citronellol

Function: Masking, Fragrance

1. Definition Citronellol:

Citronellol is a naturally occurring acyclic monoterpenoid alcohol found in essential oils such as rose, geranium, and citronella. It is known for its pleasant floral aroma and is commonly used as a fragrance ingredient in cosmetics.

2. Use:

Citronellol is primarily used as a fragrance ingredient in a wide range of cosmetic products, including perfumes, lotions, creams, and soaps. Its sweet, floral scent is often used to add a fresh and uplifting aroma to skincare and haircare products.

3. Usage Citronellol:

Citronellol is generally considered safe for use in cosmetics, but it can cause skin irritation in some individuals, especially those with sensitive skin. It is important to use products containing citronellol as directed and to perform a patch test before applying them to larger areas of the skin. Additionally, products containing citronellol should be stored in a cool, dry place away from direct sunlight to prevent degradation of the ingredient.

4. References:

- Scientific Committee on Consumer Safety (SCCS). (2013). Opinion on citronellol. European Commission.

- Cosmetic Ingredient Review (CIR) Expert Panel. (2008). Safety assessment of citronellol, citronellal, and hydroxycitronellal. International Journal of Toxicology, 27(1), 21-44.

- Fragrance Materials Association. (2019). Citronellol safety assessment. FMA.

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.