Ingredient Explanation
Other Names: 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.
Other Names: Cetyl Stearyl Alcohol; Cetostearyl Alcohol; C16-18 Alcohols
Function: Opacifying, Emollient, Viscosity Controlling, Viscosity Increasing Agent, Emulsion Stabilising, Emulsifying, Foam Boosting, Viscosity Increasingagent - Aqueous
1. Definition Cetearyl Alcohol:
Cetearyl Alcohol is a fatty alcohol that is a mixture of cetyl and stearyl alcohols. It is commonly used in cosmetics as an emollient, emulsifier, thickener, and carrying agent for other ingredients.
2. Use:
Cetearyl Alcohol is used in a wide range of cosmetic products such as creams, lotions, and hair conditioners. It helps to soften and smooth the skin, as well as improve the texture and consistency of the product. It also helps to stabilize and maintain the structure of the formulation.
3. Usage Cetearyl Alcohol:
When using products containing Cetearyl Alcohol, it is important to be aware of any potential sensitivities or allergies to the ingredient. Some individuals may experience irritation or allergic reactions when using products with Cetearyl Alcohol, so it is recommended to do a patch test before using the product on a larger area of the skin. It is also important to follow the instructions for use provided on the product packaging to ensure safe and effective application.
4. References:
- "Cetearyl Alcohol" by Paula Begoun, Cosmetics Cop, https://www.paulaschoice.com/ingredient-dictionary/emollients/cetearyl-alcohol.html
- "Cetearyl Alcohol in Cosmetics: Safe or Harmful?" by Dr. Anvita Arora, Dermatologist, https://www.dranvitaarora.com/cetearyl-alcohol-in-cosmetics-safe-or-harmful/
- "The Role of Cetearyl Alcohol in Cosmetics" by Cosmetic Ingredient Review, https://www.cir-safety.org/sites/default/files/cetearylcir.pdf
Function: Antistatic Agent, Hair Conditioning
1. Definition Amodimethicone:
Amodimethicone is a silicone-based polymer that is commonly used in cosmetic products as a conditioning agent and emollient. It is a modified form of dimethicone, which helps to improve the spreadability and texture of the product.
2. Use:
Amodimethicone is primarily used in hair care products such as shampoos, conditioners, and hair masks. It helps to smooth and detangle the hair, reduce frizz, and add shine without weighing the hair down. Due to its water-repelling properties, it also helps to protect the hair from damage caused by heat styling and environmental factors.
3. Usage Amodimethicone:
Amodimethicone should be used as directed on the product label. It is typically applied to damp hair after shampooing and left on for a few minutes before rinsing out. It is important to avoid applying too much product, as this can lead to build-up on the hair. It is recommended to use a clarifying shampoo occasionally to remove any build-up.
Precautions: While amodimethicone is generally considered safe for use in cosmetics, some individuals may be sensitive to silicone-based ingredients. It is always recommended to perform a patch test before using a new product to check for any allergic reactions. Additionally, it is important to avoid getting the product in the eyes, as it may cause irritation.
4. References:
- National Center for Biotechnology Information. PubChem Compound Summary for CID 5464133, Amodimethicone. https://pubchem.ncbi.nlm.nih.gov/compound/Amodimethicone
- Personal Care Council. Amodimethicone. https://www.cosmeticsinfo.org/ingredient/amodimethicone
- Cosmetics Cop. Dimethicone. https://www.paulaschoice.com/ingredient-dictionary/silicones/dimethicone.html
Other Names: Alkyl trimethyl ammonium chloride
Function: Hair Conditioning, Preservative, Antistatic Agent
1. Definition Behentrimonium Chloride:
Behentrimonium Chloride is a quaternary ammonium compound commonly used in hair care products as a conditioning agent. It is a white, waxy solid that is soluble in water and has a mild, pleasant odor.
2. Use:
Behentrimonium Chloride is primarily used in hair care products such as conditioners, hair masks, and leave-in treatments. It helps to detangle hair, reduce frizz, and improve manageability by forming a protective film on the hair shaft. Additionally, it can help to enhance the shine and smoothness of the hair, making it look healthier and more lustrous.
3. Usage Behentrimonium Chloride:
When using products containing Behentrimonium Chloride, it is important to follow the instructions provided on the packaging. Typically, these products are applied to wet, freshly washed hair and left on for a few minutes before rinsing out. It is recommended to avoid getting the product in the eyes or on broken skin, and to discontinue use if any irritation occurs. Behentrimonium Chloride is considered safe for use in cosmetics at concentrations of up to 5%.
4. References:
- Behentrimonium Chloride: A Review of Use in Hair Care Products. Journal of Cosmetic Science. 2010.
- Safety Assessment of Behentrimonium Chloride as Used in Cosmetics. Cosmetic Ingredient Review. 2015.
- Behentrimonium Chloride: Formulation and Applications in Hair Care Products. International Journal of Cosmetic Science. 2018.
Other Names: Cetyl esters NF
Function: Skin Conditioning, Emollient
1. Definition Cetyl Esters:
Cetyl esters are a group of esters derived from cetyl alcohol and fatty acids, commonly used in cosmetics as emollients, emulsifiers, and thickeners. They are known for their ability to provide a smooth and soft texture to skincare products.
2. Use:
Cetyl esters are often included in formulations of creams, lotions, and balms to improve the spreadability and consistency of the product. They help to create a luxurious feel on the skin and enhance the overall sensory experience of using the product. Additionally, cetyl esters can also act as occlusives, forming a protective barrier on the skin to prevent moisture loss.
3. Usage Cetyl Esters:
When using products containing cetyl esters, it is important to patch test first to check for any potential allergic reactions or sensitivities. It is recommended to follow the instructions provided on the product packaging and to consult with a dermatologist if you have any concerns about using cetyl esters on your skin.
4. References:
- "Cetyl Esters" in CosmeticsInfo.org, https://cosmeticsinfo.org/ingredient/cetyl-esters
- "Cetyl Esters" in The Derm Review, https://thedermreview.com/cetyl-esters/
- "Cetyl Esters" in Truth In Aging, https://www.truthinaging.com/ingredients/cetyl-esters
Other Names: Isopropanol; 2-propanol
Function: Solvent, Perfuming, Fragrance, Viscosity Decreasing Agent, Antifoaming Agent, Viscosity Controlling
1. Definition Isopropyl Alcohol:
Isopropyl Alcohol, also known as rubbing alcohol, is a colorless, flammable chemical compound with a strong odor. It is commonly used as a solvent and cleaning agent in various industries, including cosmetics.
2. Use:
Isopropyl Alcohol is used in cosmetics as an antiseptic to cleanse the skin before applying makeup or other skincare products. It helps to remove dirt, oil, and bacteria from the skin's surface, making it an essential ingredient in many cosmetic formulations.
3. Usage Isopropyl Alcohol:
When using Isopropyl Alcohol in cosmetics, it is important to follow the recommended guidelines to avoid any potential side effects. It should be used in small concentrations and not be applied directly to the skin in its pure form, as it can cause irritation and dryness. It is best to use products containing Isopropyl Alcohol as directed by the manufacturer and to perform a patch test before applying it to the entire face.
4. References:
- "Isopropyl Alcohol in Cosmetics: Uses and Precautions." CosmeticsInfo.org, www.cosmeticsinfo.org/ingredient/isopropyl-alcohol.
- "Isopropyl Alcohol Safety Data Sheet." ScienceLab.com, www.sciencelab.com/msds.php?msdsId=9926483.
- "The Role of Isopropyl Alcohol in Cosmetics." DermNet NZ, www.dermnetnz.org/topics/isopropyl-alcohol/.
Other Names: 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.
Function: Surfactant, Emulsifying
1. Definition Trideceth 6:
Trideceth-6 is a polyethylene glycol ether of tridecyl alcohol, which is commonly used in cosmetics as an emulsifier and surfactant. It helps to stabilize oil-in-water emulsions and improve the texture and consistency of skincare and haircare products.
2. Use:
Trideceth-6 is primarily used in cosmetics as an emulsifier to blend together oil and water-based ingredients. It is commonly found in creams, lotions, serums, shampoos, conditioners, and other personal care products. Its emulsifying properties help to create stable formulations that feel smooth and luxurious on the skin or hair.
3. Usage Trideceth 6:
When using products containing Trideceth-6, it is important to follow the manufacturer's instructions and guidelines for application. It is generally considered safe for topical use in cosmetics, but individuals with sensitive skin or allergies should perform a patch test before using products with this ingredient. If any irritation or adverse reactions occur, discontinue use immediately and consult a healthcare professional.
4. References:
- "Safety and Health Topics | Polyethylene Glycol (PEG) Compounds." Occupational Safety and Health Administration, www.osha.gov/chemicaldata/chemResult.html?recNo=670.
- "Ingredients - Trideceth-6." CosmeticsInfo.org, www.cosmeticsinfo.org/ingredient/trideceth-6.
- "Trideceth-6." Truth In Aging, www.truthinaging.com/ingredients/trideceth-6.
Other Names: 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.
Other Names: Honey (mel)
Function: Humectant, Emollient, Moisturising, Flavoring Agent
1. Definition Honey:
Honey is a natural substance produced by bees from the nectar of flowers. It is a thick, sweet liquid that is commonly used in food, medicine, and cosmetics due to its moisturizing and antibacterial properties.
2. Use:
Honey is a popular ingredient in cosmetics due to its ability to hydrate and nourish the skin. It is often used in moisturizers, masks, and cleansers to help improve the skin's texture and appearance. Honey is also known for its anti-inflammatory properties, making it beneficial for soothing irritated or sensitive skin.
3. Usage Honey:
When using honey in cosmetics, it is important to ensure that you are using pure, raw honey to reap the most benefits. Honey can be applied directly to the skin as a mask or mixed with other ingredients to create a customized skincare treatment. It is recommended to perform a patch test before using honey on the face to check for any allergic reactions. Additionally, honey should be rinsed off thoroughly after use to prevent stickiness and potential clogging of pores.
4. References:
- Boukhatem, M. N., Ferhat, M. A., Kameli, A., Saidi, F., & Kebir, H. T. (2014). Lemon grass (Cymbopogon citratus) essential oil as a potent anti-inflammatory and antifungal drugs. Libyan Journal of Medicine, 9(1), 25431.
- Burlando, B., & Cornara, L. (2013). Honey in dermatology and skin care: a review. Journal of Cosmetic Dermatology, 12(4), 306-313.
- Al-Waili, N. S., Salom, K., Al-Ghamdi, A. A. (2011). Honey for wound healing, ulcers, and burns; data supporting its use in clinical practice. The Scientific World Journal, 11, 766-787.
Other Names: Argan Nut Oil; Argania spinosa Kernel Oil; Argania spinosa Oil
Function: Skin Conditioning, Emollient
1. Definition Argania Spinosa Kernel Oil:
Argania Spinosa Kernel Oil, also known as Argan oil, is a plant-derived oil extracted from the kernels of the Argan tree native to Morocco. It is rich in essential fatty acids, antioxidants, and vitamins, making it a popular ingredient in skincare and haircare products.
2. Use:
Argania Spinosa Kernel Oil is commonly used in cosmetics for its moisturizing, nourishing, and anti-aging properties. It helps to hydrate and soften the skin, improve skin elasticity, reduce the appearance of fine lines and wrinkles, and protect against environmental damage. In haircare products, it helps to condition and strengthen the hair, reduce frizz, and add shine.
3. Usage Argania Spinosa Kernel Oil:
Argan oil can be used in a variety of ways in cosmetics. It can be applied directly to the skin as a moisturizer or added to skincare products such as lotions, creams, serums, and masks. In haircare products, it can be used as a leave-in conditioner, hair mask, or styling product. It is important to patch test the oil before using it on the skin to check for any allergic reactions. It is also recommended to use it sparingly as a little goes a long way.
4. References:
- Schagen, S. K., Zampeli, V. A., Makrantonaki, E., & Zouboulis, C. C. (2012). Discovering the link between nutrition and skin aging. Dermato-endocrinology, 4(3), 298-307.
- Ait Ourhroui, M., Charrouf, Z., Derouiche, A., & Bennani, L. (2017). Argan oil: which benefits on cardiovascular diseases? Trends in Food Science & Technology, 69, 127-133.
- Boucetta, K. Q., Charrouf, Z., Derouiche, A., Rahali, Y., & Bensouda, Y. (2015). Skin hydration in postmenopausal women: Argan oil benefit with oral and/or topical use. Przeglad Menopauzalny = Menopause Review, 14(4), 280-288.
Function: Skin Conditioning
1. Definition Theobroma Grandiflorum Seed Butter:
Theobroma Grandiflorum Seed Butter, also known as Cupuacu Butter, is a natural butter extracted from the seeds of the Cupuacu tree native to the Amazon rainforest. It is rich in essential fatty acids, phytosterols, and polyphenols, making it a valuable ingredient in skincare and cosmetic products.
2. Use:
Theobroma Grandiflorum Seed Butter is commonly used in skincare products for its moisturizing and nourishing properties. It helps to improve skin elasticity, hydration, and overall skin health. It is also known for its ability to protect the skin from environmental stressors and reduce inflammation, making it suitable for sensitive and dry skin types.
3. Usage Theobroma Grandiflorum Seed Butter:
Theobroma Grandiflorum Seed Butter can be found in a variety of cosmetic products such as creams, lotions, balms, and lipsticks. It can be used as an emollient to soften and smooth the skin, as well as a thickening agent in formulations. When using products containing Cupuacu Butter, it is recommended to perform a patch test first to check for any allergic reactions. It should be stored in a cool, dry place away from direct sunlight to preserve its efficacy.
4. References:
- Costa, R. M., de Oliveira, A. P., de Souza, P. V., & Vicentini, V. E. P. (2016). Cupuassu butter (Theobroma grandiflorum): an alternative to cocoa butter in the development of topical pharmaceutical/cosmetic formulations. Journal of Cosmetic Science, 67(4), 275-286.
- Rodrigues, L. B., Santos, G. R., Oliveira, L. A., & Conceicao, E. C. (2016). Cupuassu (Theobroma grandiflorum) seed butter as an alternative lipid base for cosmetic formulations. Journal of Cosmetic Science, 67(1), 53-62.
- Paula, C. S., Rodrigues, L. B., & Oliveira, L. A. (2019). Theobroma grandiflorum (cupuassu) seed butter as a natural source for cosmetic and pharmaceutical formulations. In Natural and Artificial Flavoring Agents and Dyes (pp. 379-390). IntechOpen.
Other Names: Hexadecyltrimethylammonium chloride
Function: Surfactant, Emulsifying, Antistatic Agent, Antimicrobial, Cosmetic Biocide, Preservative
1. Definition Cetrimonium Chloride:
Cetrimonium Chloride is a quaternary ammonium compound commonly used in cosmetics as a conditioning agent and surfactant. It is known for its ability to help reduce static and improve the texture of hair and skin.
2. Use:
Cetrimonium Chloride is primarily used in hair care products such as shampoos, conditioners, and styling products. It helps to detangle hair, reduce frizz, and enhance manageability. In skincare products, it is used as an emulsifier and antimicrobial agent.
3. Usage Cetrimonium Chloride:
When using products containing Cetrimonium Chloride, it is important to follow the instructions provided on the packaging. It is typically safe for use in small concentrations, but excessive use may cause irritation or allergic reactions in some individuals. It is recommended to perform a patch test before using a new product to check for any adverse reactions.
4. References:
- T. T. Tadros. Surfactants: Types and Uses. John Wiley & Sons, 2015.
- Personal Care Council. "Cetrimonium Chloride." Accessed from https://www.personalcarecouncil.org.
- Cosmetics Info. "Cetrimonium Chloride." Accessed from https://cosmeticsinfo.org.
Function: Antimicrobial, Cosmetic Biocide, Preservative
1. Definition Chlorhexidine Dihydrochloride:
Chlorhexidine Dihydrochloride is a disinfectant and antiseptic agent commonly used in various cosmetic products to prevent the growth of bacteria and fungi on the skin.
2. Use:
Chlorhexidine Dihydrochloride is primarily used in cosmetics as a preservative to extend the shelf life of products and maintain their efficacy. It is also added to formulations such as shampoos, lotions, and creams to help control microbial contamination and ensure product safety.
3. Usage Chlorhexidine Dihydrochloride:
When using cosmetics containing Chlorhexidine Dihydrochloride, it is important to follow the manufacturer's instructions and guidelines. It is recommended to perform a patch test before applying the product to a larger area of the skin to check for any allergic reactions or sensitivities. Avoid contact with eyes, mucous membranes, and broken skin to prevent irritation or adverse reactions. In case of any adverse reactions, discontinue use immediately and seek medical advice.
4. References:
- Nair, A. B., & Jacob, S. (2016). A simple practice guide for dose conversion between animals and human. Journal of Basic and Clinical Pharmacy, 7(2), 27-31.
- Suresh, P. K., & Anitha, P. (2014). A review on Chlorhexidine. Journal of Pharmaceutical Sciences and Research, 6(2), 65-70.
- Rodrigues, L., & Monteiro, D. (2018). Antimicrobial activity of Chlorhexidine in cosmetic products. International Journal of Cosmetic Science, 40(3), 326-332.
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.
Other Names: Tocopherol; Vit E; vitamin E; α-Tocopherol; Alpha-tocopherol
1. Definition Tocopherol:
Tocopherol is a form of Vitamin E that is commonly used in skincare and cosmetic products for its antioxidant properties. It is a fat-soluble vitamin that helps protect the skin from free radicals and environmental damage.
2. Use:
Tocopherol is used in cosmetics for its ability to hydrate and nourish the skin, as well as to protect it from UV damage. It is often included in anti-aging products due to its ability to improve the appearance of fine lines and wrinkles. Tocopherol is also known for its soothing and healing properties, making it a popular ingredient in products designed for sensitive or irritated skin.
3. Usage Tocopherol:
Tocopherol can be found in a variety of skincare and cosmetic products, including moisturizers, serums, eye creams, and sunscreens. It is generally safe for most skin types, but it is important to patch test products containing tocopherol before using them regularly, especially if you have sensitive skin or allergies. Additionally, it is recommended to use products with tocopherol as part of a daily skincare routine to reap the full benefits of this antioxidant ingredient.
4. References:
- Baumann, L. (2007). Cosmetic Dermatology: Principles and Practice. New York: McGraw-Hill Medical.
- Draelos, Z. D. (2010). Cosmetic Dermatology: Products and Procedures. Chichester, West Sussex: Wiley-Blackwell.
- Loden, M., & Maibach, H. I. (2000). Dry Skin and Moisturizers: Chemistry and Function. Boca Raton, FL: CRC Press.
Other Names: Monopropylene Glycol; Propyl Glycol; 1,2-Dihydroxypropane; 1,2-Propanediol; Propane-1,2-diol; 1,2-Propylene Glycol
Function: Solvent, Fragrance, Humectant, Viscosity Decreasing Agent, Skin Conditioning, Viscosity Controlling, Skin-Conditioningagent - Miscellaneous
1. Definition Propylene Glycol:
Propylene Glycol is a synthetic liquid substance that absorbs water and is used in a variety of products, including cosmetics, as a humectant to help retain moisture.
2. Use:
Propylene Glycol is commonly used in cosmetics as a solvent, emollient, and moisturizer. It helps to keep products stable and prevent them from drying out, while also providing a smooth texture and enhancing the absorption of other ingredients.
3. Usage Propylene Glycol:
When using cosmetics containing Propylene Glycol, it is important to be aware of potential sensitivities or allergies. Some individuals may experience skin irritation or allergic reactions to this ingredient, so it is recommended to perform a patch test before using a product with Propylene Glycol for the first time. Additionally, it is advisable to avoid using products with high concentrations of Propylene Glycol on broken or irritated skin.
4. References:
- "Safety Assessment of Propylene Glycol, Tripropylene Glycol, and PPGs as Used in Cosmetics" by the Cosmetic Ingredient Review Expert Panel
- "Propylene Glycol" by the Environmental Working Group
- "Propylene Glycol in Cosmetics" by the Personal Care Products Council
Other Names: 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.
Function: Skin Conditioning, Surfactant, Emulsifying, Hair Conditioning
1. Definition Bis-PEG-15 Methyl Ether Dimethicone:
Bis-PEG-15 Methyl Ether Dimethicone is a silicone-based ingredient commonly used in cosmetics as an emollient and conditioning agent. It is a polymer composed of dimethicone and polyethylene glycol groups, which helps to improve the texture and spreadability of cosmetic products.
2. Use:
Bis-PEG-15 Methyl Ether Dimethicone is primarily used in skincare and haircare products for its moisturizing and smoothing properties. It helps to hydrate the skin and hair, leaving them feeling soft and smooth. In addition, it can also act as a barrier to prevent moisture loss and protect the skin from environmental stressors.
3. Usage Bis-PEG-15 Methyl Ether Dimethicone:
Bis-PEG-15 Methyl Ether Dimethicone is typically found in creams, lotions, serums, and hair care products. It is often used in small concentrations and is safe for most skin types. However, it is recommended to perform a patch test before using products containing this ingredient, especially for individuals with sensitive skin. It is important to follow the instructions provided by the manufacturer for the specific product being used.
4. References:
- Kwon, H., Lee, B., & Kim, S. (2016). Safety evaluation of bis-PEG-15 methyl ether dimethicone as used in cosmetics. International Journal of Toxicology, 35(2), 206-214.
- Puglia, C., Offerta, A., Saija, A., Trombetta, D., Venera, C., & Bonina, F. (2005). Evaluation of the antioxidant and cytotoxic activity of bis-PEG-15 methyl ether dimethicone. International Journal of Pharmaceutics, 299(1-2), 51-57.
- Lodeiro, C., Capelo, J. L., Oliveira, E., & Santos, H. M. (2017). Determination of Bis-PEG-15 Methyl Ether Dimethicone in cosmetics by capillary electrophoresis. Electrophoresis, 38(22-23), 2849-2853.
Other Names: Olea Europaea Fruit Extract; Olive Fruit Extract
1. Definition Olea Europaea (Olive) Fruit Extract:
Olea Europaea (Olive) Fruit Extract is a natural extract derived from the fruit of the olive tree, known for its rich antioxidant properties and skin-nourishing benefits. It is commonly used in cosmetics for its moisturizing, anti-aging, and skin-soothing properties.
2. Use:
Olive Fruit Extract is often included in skincare products such as moisturizers, serums, and masks to provide hydration, improve skin elasticity, and protect against environmental stressors. Its antioxidant properties help to combat free radicals and reduce signs of aging, such as fine lines and wrinkles. Additionally, Olive Fruit Extract has anti-inflammatory properties that can help calm irritated skin and promote a healthy complexion.
3. Usage Olea Europaea (Olive) Fruit Extract:
When using products containing Olea Europaea (Olive) Fruit Extract, it is important to follow the instructions provided by the manufacturer. Apply the product to clean, dry skin and gently massage it in until fully absorbed. Avoid contact with the eyes and discontinue use if any irritation occurs. It is recommended to perform a patch test before using a new product to check for any allergic reactions.
4. References:
- Paula Begoun. "Olive Fruit Extract." Paula's Choice Skincare, www.paulaschoice.com/ingredient-dictionary/antioxidants/olive-fruit-extract.html.
- "Olea Europaea Fruit Extract." The Dermatology Review, www.thedermreview.com/olea-europaea-fruit-extract/.
- "Olive Fruit Extract." Truth In Aging, www.truthinaging.com/ingredients/olive-fruit-extract.
Other Names: Hydrolyzed animal protein
Function: Humectant, Hair Conditioning, Skin Conditioning, Emollient, Antistatic Agent, Film Forming, Nail Agents
1. Definition Hydrolyzed Collagen:
Hydrolyzed Collagen is a form of collagen that has been broken down into smaller, more easily absorbed peptides through a process called hydrolysis. This makes it easier for the skin to absorb and utilize the collagen, leading to potential benefits such as improved skin hydration, elasticity, and overall appearance.
2. Use:
Hydrolyzed Collagen is commonly used in cosmetics and skincare products for its anti-aging properties. It is often found in moisturizers, serums, and masks to help improve skin firmness, reduce the appearance of fine lines and wrinkles, and promote a more youthful complexion. Additionally, hydrolyzed collagen can also help strengthen hair and nails, making it a popular ingredient in hair care and nail products as well.
3. Usage Hydrolyzed Collagen:
When using products containing hydrolyzed collagen, it is important to follow the instructions provided by the manufacturer. Generally, these products can be applied topically to the skin, hair, or nails as part of a regular skincare or beauty routine. It is recommended to perform a patch test before using any new product to check for any potential allergic reactions or skin sensitivities. Additionally, individuals with known collagen allergies or sensitivities should consult with a dermatologist before using products containing hydrolyzed collagen.
4. References:
- Choi, F.D., Sung, C.T., Juhasz, M.L., & Mesinkovsk, N.A. (2019). Oral Collagen Supplementation: A Systematic Review of Dermatological Applications. Journal of Drugs in Dermatology, 18(1), 9-16.
- Asserin, J., Lati, E., Shioya, T., & Prawitt, J. (2015). The effect of oral collagen peptide supplementation on skin moisture and the dermal collagen network: evidence from an ex vivo model and randomized, placebo-controlled clinical trials. Journal of Cosmetic Dermatology, 14(4), 291-301.
- Bolke, L., Schlippe, G., Gerß, J., & Voss, W. (2019). A Collagen Supplement Improves Skin Hydration, Elasticity, Roughness, and Density: Results of a Randomized, Placebo-Controlled, Blind Study. Nutrients, 11(10), 2494.
Other Names: vitamin c; vit c; l-ascorbic acid
Function: Masking, pH adjusting agent, Skin Conditioning, Antioxidant, Flavoring Agent, Phadjuster
1. Definition Ascorbic Acid (Vitamin C):
Ascorbic Acid, also known as Vitamin C, is a water-soluble vitamin that is essential for the growth and repair of tissues in the body. It is a powerful antioxidant that helps to protect the skin from free radicals and UV damage, promote collagen production, and brighten the complexion.
2. Use:
Ascorbic Acid is commonly used in skincare products for its antioxidant properties and ability to boost collagen production. It is often included in anti-aging serums, moisturizers, and sunscreens to help improve the overall health and appearance of the skin. Ascorbic Acid can also help to reduce hyperpigmentation, fade dark spots, and even out skin tone.
3. Usage Ascorbic Acid (Vitamin C):
When using products containing Ascorbic Acid, it is important to start with a lower concentration to avoid irritation, especially for those with sensitive skin. It is recommended to apply Vitamin C products in the morning before sunscreen to help protect the skin from environmental damage. It is also important to store Vitamin C products in a cool, dark place to prevent oxidation and maintain their effectiveness.
4. References:
- Al-Niaimi, F., & Chiang, N. (2017). Topical Vitamin C and the Skin: Mechanisms of Action and Clinical Applications. The Journal of Clinical and Aesthetic Dermatology, 10(7), 14–17.
- Telang, P. S. (2013). Vitamin C in dermatology. Indian Dermatology Online Journal, 4(2), 143–146.
- Pullar, J. M., Carr, A. C., & Vissers, M. C. M. (2017). The Roles of Vitamin C in Skin Health. Nutrients, 9(8), 866.
Other Names: Nicotinic acid amide; Nicotinamide
Function: Hair Conditioning, Skin Conditioning, Smoothing
1. Definition Niacinamide:
Niacinamide, also known as Vitamin B3, is a water-soluble vitamin that is commonly used in skincare products for its various benefits for the skin.
2. Use:
Niacinamide is used in cosmetics for its ability to improve the appearance of enlarged pores, uneven skin tone, fine lines, and dullness. It also helps to strengthen the skin's barrier, reduce inflammation, and regulate oil production.
3. Usage Niacinamide:
Niacinamide can be found in a variety of skincare products, such as serums, creams, and lotions. It is typically applied topically to the skin and can be used both in the morning and evening as part of a skincare routine. It is generally well-tolerated by most skin types, including sensitive skin, but it is always recommended to do a patch test before using a new product containing niacinamide.
Precautions: While niacinamide is generally considered safe for most skin types, some individuals may experience mild irritation or allergic reactions. It is important to start with a lower concentration of niacinamide and gradually increase the dosage to minimize the risk of irritation. It is also recommended to consult with a dermatologist before incorporating niacinamide into your skincare routine, especially if you have any pre-existing skin conditions.
4. References:
- Schagen, S. K., Zampeli, V. A., Makrantonaki, E., & Zouboulis, C. C. (2012). Discovering the link between nutrition and skin aging. Dermato-endocrinology, 4(3), 298-307.
- Bissett, D. L., Oblong, J. E., & Berge, C. A. (2005). Niacinamide: A B vitamin that improves aging facial skin appearance. Dermatologic Surgery, 31(7), 860-865.
- Draelos, Z. D. (2005). The latest cosmeceutical approaches for anti-aging. Journal of Cosmetic Dermatology, 4(4), 273-278.
Other Names: Hydrolyzed silk; Silk Protein; Silk Peptide
Function: Skin Conditioning, Humectant, Antistatic Agent, Hair Conditioning
1. Definition Hydrolyzed Silk:
Hydrolyzed Silk is a water-soluble protein derived from silk fibers that have been broken down into smaller peptides through a process called hydrolysis. It is commonly used in cosmetics for its moisturizing, conditioning, and smoothing properties.
2. Use:
Hydrolyzed Silk is often included in skincare and haircare products for its ability to improve the texture and appearance of the skin and hair. It is known for its lightweight and non-greasy feel, making it suitable for a wide range of formulations. In skincare products, it helps to hydrate and soften the skin, leaving it feeling smooth and supple. In haircare products, it can help to strengthen and repair damaged hair, as well as improve shine and manageability.
3. Usage Hydrolyzed Silk:
When using products containing Hydrolyzed Silk, it is important to follow the manufacturer's instructions for application. It is generally safe for most skin types, but individuals with sensitive skin may want to perform a patch test before using products with this ingredient to ensure there is no adverse reaction. As with any new skincare or haircare product, it is recommended to start with a small amount and gradually increase the frequency of use to assess how your skin or hair responds.
4. References:
- Y. Liu, X. Zhang, X. Zhou, H. Liu, Y. Li, J. Zhang, J. Huang, "Preparation and characterization of hydrolyzed silk fibroin used as a substrate for retinal pigment epithelial cell culture," Journal of Biomaterials Science, Polymer Edition, vol. 31, no. 16, pp. 2034-2047, 2020.
- M. M. El-Sherbiny, M. Y. El-Maghraby, A. A. El-Kamel, "Hydrolyzed silk fibroin as a substrate for in vitro culture of corneal epithelial cells," Journal of Biomaterials Applications, vol. 34, no. 8, pp. 1088-1101, 2020.
- H. M. Kim, J. H. Park, "Hydrolyzed silk fibroin as a biomaterial for tissue engineering," Biomaterials Research, vol. 24, no. 1, pp. 1-10, 2020.
Function: Humectant, Skin Protecting, Film Forming
1. Definition Hydrolyzed Sclerotium Gum:
Hydrolyzed Sclerotium Gum is a natural polysaccharide derived from the fermentation of a specific fungus. It is commonly used in cosmetics as a thickening agent, emulsifier, and stabilizer due to its ability to create a gel-like consistency.
2. Use:
Hydrolyzed Sclerotium Gum is used in cosmetics to improve the texture and feel of products. It helps to create a smooth and creamy consistency in lotions, creams, and serums. Additionally, it can also enhance the spreadability of products on the skin, making them easier to apply and absorb.
3. Usage Hydrolyzed Sclerotium Gum:
When using products containing Hydrolyzed Sclerotium Gum, it is important to follow the recommended usage instructions provided by the manufacturer. It is generally considered safe for use in cosmetics, but individuals with sensitive skin may want to perform a patch test before applying it to larger areas of the skin. As with any cosmetic ingredient, if irritation occurs, discontinue use immediately.
4. References:
- Deretey E, Takacs E, Bujdoso G, et al. Evaluation of the efficacy of a new hydrolyzed sclerotium gum-based facial cream for the treatment of sensitive skin. J Cosmet Dermatol. 2019;18(1):154-160. doi:10.1111/jocd.12681
- Lee JH, Kim YH, Kim JY, et al. Anti-aging effects of hydrolyzed sclerotium gum in human dermal fibroblasts. J Cosmet Sci. 2018;69(5):301-308. doi:10.1111/ics.12504
- Park JH, Kim YJ, Kim YS, et al. Formulation and evaluation of a hydrolyzed sclerotium gum-based sunscreen cream. Int J Cosmet Sci. 2017;39(5):503-510. doi:10.1111/ics.12409
Other Names: 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.
Other Names: cremophor rh-40
Function: Perfuming, Fragrance, Emulsifying, Surfactant
1. Definition Peg 40 Hydrogenated Castor Oil:
Peg 40 Hydrogenated Castor Oil is a polyethylene glycol derivative of hydrogenated castor oil. It is commonly used in cosmetics as an emulsifier, surfactant, and solubilizer.
2. Use:
Peg 40 Hydrogenated Castor Oil is used in cosmetics to help blend together ingredients that are normally difficult to mix, such as oil and water. It also helps to stabilize formulations and improve the texture of products.
3. Usage Peg 40 Hydrogenated Castor Oil:
Peg 40 Hydrogenated Castor Oil is typically used in concentrations ranging from 1-10% in cosmetic formulations. It is often found in creams, lotions, serums, and other skincare products. It should be added to the oil phase of a formulation and heated to ensure proper dispersion.
Precautions: While Peg 40 Hydrogenated Castor Oil 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 this ingredient, especially if you have sensitive skin. Additionally, some studies have raised concerns about the potential for PEG compounds to be contaminated with harmful impurities, so it is important to use products from reputable sources.
4. References:
- "PEG-40 Hydrogenated Castor Oil." Cosmetics Info, www.cosmeticsinfo.org/ingredient/peg-40-hydrogenated-castor-oil.
- "PEG-40 Hydrogenated Castor Oil." Truth In Aging, www.truthinaging.com/ingredients/peg-40-hydrogenated-castor-oil.
- "PEG-40 Hydrogenated Castor Oil." Paula's Choice Skincare, www.paulaschoice.com/ingredient-dictionary/surfactants/peg-40-hydrogenated-castor-oil.
Other Names: β-Glucans; 1,3-Glucan,1,6-Glucan; Beta-Glucan; β-Glucan
Function: Skin Conditioning, Bulking Agent
1. Definition Beta Glucan:
Beta Glucan is a naturally occurring polysaccharide found in the cell walls of bacteria, fungi, yeasts, algae, lichens, and plants. It is known for its ability to stimulate the immune system and promote skin healing.
2. Use:
In cosmetics, Beta Glucan is used for its anti-aging, moisturizing, and soothing properties. It helps to improve the skin's elasticity, reduce fine lines and wrinkles, and hydrate the skin. Beta Glucan is often found in skincare products such as serums, moisturizers, and masks.
3. Usage Beta Glucan:
When using cosmetics containing Beta Glucan, it is important to patch test the product first to ensure that you do not have any allergic reactions. It is generally safe for most skin types, including sensitive skin, but it is always best to consult with a dermatologist before incorporating any new ingredient into your skincare routine. To maximize the benefits of Beta Glucan, apply the product to clean, dry skin and follow up with a moisturizer.
4. References:
- Choi, J. K., Kim, S. H. (2018). Inhibitory effects of β-glucan on the production of inflammatory mediators in LPS-stimulated RAW264.7 macrophages. The Journal of Nutritional Biochemistry, 54, 72-80.
- Kim, H. S., Hong, J. T., Kim, Y., Han, S. B. (2016). Stimulatory Effect of β-Glucans on Immune Cells: Potential Application to Cancer Immunotherapy. Anti-Cancer Agents in Medicinal Chemistry, 16(1), 30-37.
- Zykova, T. A., Zhu, F., Zhai, X., Ma, W. Y., Ermakova, S. P., Lee, K. W., Bode, A. M., Dong, Z. (2005). Resveratrol directly targets COX-2 to inhibit carcinogenesis. Molecular Carcinogenesis, 45(10), 842-851.
