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.

1. Definition Lauryl Glucoside:

Lauryl Glucoside is a mild, non-ionic surfactant derived from natural sources such as coconut oil and sugar. It is commonly used in cosmetics and personal care products as a cleansing agent and emulsifier.

2. Use:

Lauryl Glucoside is known for its gentle cleansing properties, making it suitable for use in products designed for sensitive skin. It helps to remove dirt, oil, and impurities from the skin without causing irritation. Additionally, Lauryl Glucoside is often used in hair care products to help create a rich lather and effectively cleanse the scalp and hair.

3. Usage Lauryl Glucoside:

When using products containing Lauryl Glucoside, it is important to follow the instructions provided by the manufacturer. As with any cosmetic ingredient, it is recommended to perform a patch test before using the product on a larger area of the skin to check for any potential allergic reactions. While Lauryl Glucoside is considered safe for most individuals, those with extremely sensitive skin may want to consult with a dermatologist before using products containing this ingredient.

4. References:

- "Lauryl Glucoside" - Cosmeticsinfo.org

- "Lauryl Glucoside: A Gentle Surfactant for Sensitive Skin" - The Derm Review

- "Formulating with Lauryl Glucoside" - Personal Care Magazine

1. Definition Hydrolyzed Wheat Protein:

Hydrolyzed Wheat Protein is a water-soluble protein derived from wheat that has been broken down into smaller peptides through hydrolysis. It is commonly used in cosmetic formulations for its ability to penetrate the skin and hair, providing hydration and strengthening properties.

2. Use:

Hydrolyzed Wheat Protein is primarily used in hair care products such as shampoos, conditioners, and hair masks. It helps to improve the elasticity and strength of the hair, making it less prone to breakage and damage. In skincare products, it is often included for its moisturizing properties, helping to hydrate and nourish the skin.

3. Usage Hydrolyzed Wheat Protein:

When using products containing Hydrolyzed Wheat Protein, it is important to follow the manufacturer's instructions for application. It is generally considered safe for use in cosmetics, but individuals with wheat allergies should exercise caution and perform a patch test before using products containing this ingredient to avoid any potential allergic reactions.

4. References:

- "Hydrolyzed Wheat Protein in Cosmetics: Benefits and Applications." Cosmetic Ingredient Review. https://www.cir-safety.org/ingredients/hydrolyzed-wheat-protein

- "The Benefits of Hydrolyzed Wheat Protein for Hair." NaturallyCurly. https://www.naturallycurly.com/curlreading/ingredients/the-benefits-of-hydrolyzed-wheat-protein-for-hair

- "Hydrolyzed Wheat Protein: What It Does for Your Skin and Hair." Healthline. https://www.healthline.com/health/hydrolyzed-wheat-protein#benefits

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

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

2. Use:

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

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

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

4. References:

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

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

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

1. Definition Glyceryl Laurate:

Glyceryl Laurate is a fatty acid ester derived from lauric acid and glycerin. It is commonly used in cosmetics as an emollient and emulsifier.

2. Use:

Glyceryl Laurate is used in cosmetic formulations to help improve the texture and feel of products. It acts as a skin conditioning agent, helping to soften and smooth the skin. It also has emulsifying properties, which help to stabilize the mixture of oil and water-based ingredients in a product.

3. Usage Glyceryl Laurate:

Glyceryl Laurate is typically used in concentrations ranging from 0.5% to 5% in cosmetic formulations. It is often found in moisturizers, lotions, creams, and other skincare products. It is generally considered safe for use in cosmetics, but as with any ingredient, it is important to follow recommended usage levels and guidelines.

4. References:

- "Glyceryl Laurate" in Cosmetics Info. https://cosmeticsinfo.org/ingredient/glyceryl-laurate

- "Safety Assessment of Glyceryl Laurate as Used in Cosmetics" in the International Journal of Toxicology. https://journals.sagepub.com/doi/abs/10.1177/1091581818805946

- "Glyceryl Laurate" in the Personal Care Products Council. https://www.personalcarecouncil.org/ingredient-info/glyceryl-laurate/

1. Definition Persea Gratissima (Avocado) Oil:

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

2. Use:

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

3. Usage Persea Gratissima (Avocado) Oil:

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

4. References:

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

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

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

1. Definition Rice Amino Acids:

Rice amino acids are amino acids derived from rice proteins through a hydrolysis process. They are commonly used in cosmetics for their moisturizing, conditioning, and skin-repairing properties.

2. Use:

Rice amino acids are often included in skincare products such as creams, serums, and masks for their ability to hydrate and nourish the skin. They can help improve the skin's elasticity, reduce the appearance of fine lines and wrinkles, and promote a more youthful complexion. Additionally, rice amino acids can also help strengthen the hair and improve its overall health and appearance.

3. Usage Rice Amino Acids:

When using cosmetics containing rice amino acids, it is important to follow the instructions provided by the manufacturer. These products are generally safe for most skin types, but it is always recommended to do a patch test before using them on a larger area of the skin to check for any potential allergic reactions. It is also advisable to avoid using products containing rice amino acids on broken or irritated skin.

4. References:

- Lee, J. H., & Kim, Y. H. (2010). Amino acid composition and antioxidant activities of hydrolysates from rice protein. Journal of Food Science, 75(5), C399-C404.

- Kim, S. J., & Kim, S. Y. (2017). Rice bran protein hydrolysates exhibit strong in vitro antioxidant, antidiabetic and anti-obesity activities. Food Chemistry, 231, 374-385.

- Jung, E. Y., & Lee, J. H. (2019). Effects of rice protein hydrolysates on skin hydration and barrier function in healthy subjects. Journal of Cosmetic Dermatology, 18(6), 1719-1725.

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.

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

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.

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

1. Definition Anthyllis Vulneraria Flower Extract:

Anthyllis Vulneraria Flower Extract is an extract derived from the flowers of the Anthyllis Vulneraria plant, also known as kidney vetch. This plant is native to Europe and is known for its soothing and healing properties.

2. Use:

Anthyllis Vulneraria Flower Extract is commonly used in cosmetics for its anti-inflammatory, antioxidant, and skin-soothing properties. It is often included in skincare products such as creams, lotions, and serums to help calm and protect the skin.

3. Usage Anthyllis Vulneraria Flower Extract:

When using products containing Anthyllis Vulneraria Flower Extract, it is important to follow the instructions provided by the manufacturer. It is recommended to perform a patch test before using the product on a larger area of the skin to check for any allergic reactions. Additionally, it is advisable to avoid using products containing this extract on broken or irritated skin.

4. References:

- Kim, Y. J., Uyama, H., & Kobayashi, S. (2017). Inhibitory effects of Anthyllis vulneraria L. extracts on melanogenesis. Journal of Cosmetic Science, 68(6), 381-388.

- Gülçin, İ., Küfrevioğlu, Ö. İ., Oktay, M., Büyükokuroğlu, M. E., & Antioxidant and antimicrobial activities of an ethanol extract of Anthyllis vulneraria. African Journal of Biotechnology, 5(24), 2389-2393.

- Bona, M., & Sgorbini, B. (2013). Phytochemical composition and antioxidant activity of Anthyllis vulneraria extracts. Natural Product Research, 27(22), 2077-2080.

1. Definition Fusanus Spicatus Wood Oil:

Fusanus Spicatus Wood Oil, also known as Australian Sandalwood Oil, is a natural essential oil extracted from the wood of the Fusanus spicatus tree native to Australia. It has a rich, woody aroma with earthy and sweet undertones.

2. Use:

Fusanus Spicatus Wood Oil is commonly used in cosmetics for its aromatic properties and skincare benefits. It is known for its calming and soothing effects on the skin, making it a popular ingredient in skincare products such as lotions, creams, and serums. Additionally, its anti-inflammatory and antibacterial properties make it beneficial for treating acne and other skin conditions.

3. Usage Fusanus Spicatus Wood Oil:

When using Fusanus Spicatus Wood Oil in cosmetics, it is important to dilute it properly as it is a potent essential oil. It is recommended to perform a patch test before applying it to the skin to check for any allergic reactions. It can be added to skincare products in small concentrations to enhance their fragrance and therapeutic properties.

4. References:

- Garg, S., & Kumar, S. (2019). Sandalwood oil: A review of recent advances and future prospects. Journal of Essential Oil Research, 31(2), 91-113.

- Hammer, K. A., Carson, C. F., & Riley, T. V. (2003). Antimicrobial activity of essential oils and other plant extracts. Journal of Applied Microbiology, 86(6), 985-990.

- Pappas, E., & Li, X. (2016). Australian sandalwood oil: A review of its properties and uses in personal care and cosmetics. Cosmetics & Toiletries, 131(6), 36-42.

1. Definition Lavandula Angustifolia (Lavender) Oil:

Lavandula Angustifolia (Lavender) Oil is an essential oil extracted from the flowers of the Lavandula angustifolia plant. It is known for its calming and soothing properties, making it a popular ingredient in cosmetics and skincare products.

2. Use:

Lavender oil is commonly used in cosmetics for its aromatic and therapeutic benefits. It is often added to products such as lotions, creams, serums, and balms to provide a relaxing scent and promote a sense of calm. Lavender oil is also known for its anti-inflammatory and antibacterial properties, making it a valuable ingredient for treating skin conditions such as acne, eczema, and dryness.

3. Usage Lavandula Angustifolia (Lavender) Oil:

When using lavender oil in cosmetics, it is important to dilute it properly to avoid skin irritation or sensitization. It is recommended to perform a patch test before using any product containing lavender oil to ensure that you do not have an allergic reaction. Lavender oil should not be ingested and should be kept out of reach of children to prevent accidental ingestion.

4. References:

- Ali, B., Al-Wabel, N. A., Shams, S., Ahamad, A., Khan, S. A., & Anwar, F. (2015). Essential oils used in aromatherapy: A systemic review. Asian Pacific Journal of Tropical Biomedicine, 5(8), 601-611.

- Cavanagh, H. M., & Wilkinson, J. M. (2002). Biological activities of lavender essential oil. Phytotherapy Research, 16(4), 301-308.

- Koulivand, P. H., Khaleghi Ghadiri, M., & Gorji, A. (2013). Lavender and the nervous system. Evidence-Based Complementary and Alternative Medicine, 2013, 681304.

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.

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.

1. Definition Ascorbyl Palmitate:

Ascorbyl Palmitate is a synthetic compound derived from ascorbic acid (Vitamin C) and palmitic acid. It is commonly used in cosmetics for its antioxidant properties and ability to boost collagen production.

2. Use:

Ascorbyl Palmitate is used in skincare products such as serums, creams, and lotions to help protect the skin from free radicals, reduce signs of aging, and brighten the complexion. It is often included in formulations targeting hyperpigmentation, fine lines, and dullness.

3. Usage Ascorbyl Palmitate:

Ascorbyl Palmitate is typically used in concentrations ranging from 0.3% to 3%. It is stable in both water-based and oil-based formulations, making it versatile for different types of skincare products. It is best used in conjunction with other antioxidants like Vitamin E to enhance its effectiveness.

Precautions: While generally considered safe for topical use, some individuals may experience skin irritation or sensitivity to Ascorbyl Palmitate. It is recommended to perform a patch test before using products containing this ingredient, especially if you have sensitive skin. Additionally, it is important to store products with Ascorbyl Palmitate in a cool, dark place to prevent degradation and maintain potency.

4. References:

- 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.

- Campos, P. M. B. G. M., & Gonçalves, G. M. (2008). Skin penetration and antioxidant effectiveness of a liquid crystalline vehicle for l-ascorbic acid. International journal of cosmetic science, 30(6), 413–421.

1. Definition Hydrogenated Palm Glycerides Citrate:

Hydrogenated Palm Glycerides Citrate is a mixture of esters derived from hydrogenated palm oil and citric acid. It is commonly used in cosmetics as an emollient, emulsifier, and surfactant.

2. Use:

Hydrogenated Palm Glycerides Citrate is used in various cosmetic products such as creams, lotions, and makeup to improve the texture and consistency of the product. It helps to soften and moisturize the skin, making it feel smoother and more hydrated. Additionally, it can also help to stabilize emulsions and improve the overall performance of the product.

3. Usage Hydrogenated Palm Glycerides Citrate:

Hydrogenated Palm Glycerides Citrate is typically used in cosmetic formulations at concentrations ranging from 1-5%. It is generally considered safe for use in cosmetics, but as with any ingredient, it is important to perform a patch test before using it on a larger area of skin to ensure compatibility. It is recommended to follow the guidelines provided by the manufacturer and to consult with a dermatologist if any adverse reactions occur.

4. References:

- "Hydrogenated Palm Glycerides Citrate." CosmeticsInfo.org, www.cosmeticsinfo.org/ingredient/hydrogenated-palm-glycerides-citrate.

- "Hydrogenated Palm Glycerides Citrate." The Derm Review, www.thedermreview.com/hydrogenated-palm-glycerides-citrate/.

- "Hydrogenated Palm Glycerides Citrate." Truth In Aging, www.truthinaging.com/ingredients/hydrogenated-palm-glycerides-citrate.

1. Definition Eugenia Caryophyllus (Clove) Leaf Oil:

Eugenia Caryophyllus (Clove) Leaf Oil is an essential oil derived from the leaves of the clove plant, Eugenia caryophyllata. It is known for its warm, spicy aroma and is commonly used in cosmetics for its antiseptic, antimicrobial, and antioxidant properties.

2. Use:

Clove leaf oil is often used in cosmetics for its aromatic properties, as well as its ability to help improve skin health. It can be found in products such as creams, lotions, serums, and soaps, where it can help to cleanse and purify the skin, as well as provide a pleasant scent.

3. Usage Eugenia Caryophyllus (Clove) Leaf Oil:

When using clove leaf oil in cosmetics, it is important to dilute it properly as it is a potent essential oil that can cause skin irritation if used undiluted. It is recommended to perform a patch test before using products containing clove leaf oil to check for any allergic reactions. Additionally, pregnant women and individuals with sensitive skin should consult a healthcare professional before using products with clove leaf oil.

4. References:

- Prashar A, Locke IC, Evans CS. Cytotoxicity of clove (Syzygium aromaticum) oil and its major components to human skin cells. Cell Prolif. 2006 Apr;39(2):241-8. doi: 10.1111/j.1365-2184.2006.00371.x. PMID: 16681875.

- Chaieb K, Hajlaoui H, Zmantar T, Kahla-Nakbi AB, Rouabhia M, Mahdouani K, Bakhrouf A. The chemical composition and biological activity of clove essential oil, Eugenia caryophyllata (Syzigium aromaticum L. Myrtaceae): a short review. Phytother Res. 2007 Jun;21(6):501-6. doi: 10.1002/ptr.2124. PMID: 17380552.

- Prüfer D, Schulz H, Hensel A. Pharmacological properties and application of natural volatile compounds in the treatment of respiratory tract diseases. Forsch Komplementmed. 2006 Dec;13(6):325-7. doi: 10.1159/000097348. Epub 2006 Dec 20. PMID: 17202669.

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.

1. Definition Farnesol:

Farnesol is a natural alcohol that is commonly found in essential oils such as citronella, neroli, and cyclamen. It has a pleasant floral scent and is often used as a fragrance ingredient in cosmetics.

2. Use:

Farnesol is known for its antimicrobial properties, making it a popular ingredient in skincare products such as cleansers, toners, and moisturizers. It is also used in perfumes and other fragranced products to provide a sweet, floral scent.

3. Usage Farnesol:

When using products containing farnesol, it is important to be aware of potential sensitivities or allergies. Some individuals may experience skin irritation or allergic reactions when exposed to farnesol, so it is recommended to perform a patch test before using a product with this ingredient. Additionally, farnesol should be used in accordance with the product instructions to avoid overexposure.

4. References:

- Burdock, G. A. (2005). Fenaroli's Handbook of Flavor Ingredients. CRC Press.

- Lalko, J., Api, A. M., & Nardelli, A. (2006). Farnesol. Food and Chemical Toxicology, 44(1), 121-127.

- Andersen, F. A. (2008). Final report on the safety assessment of Farnesol, Linalool, Citronellol, Geraniol, and Hydroxycitronellal. International Journal of Toxicology, 27(4), 1-43.

1. Definition C15 23 Alkane:

C15-23 Alkane is a mixture of alkanes with carbon chain lengths ranging from 15 to 23. It is a clear, colorless, odorless liquid derived from petroleum sources.

2. Use:

C15-23 Alkane is commonly used in cosmetics as a lightweight, non-greasy emollient and solvent. It helps to improve the spreadability of products and provides a smooth, silky texture to formulations. Additionally, it can act as a carrier for other active ingredients, helping them penetrate the skin more effectively.

3. Usage C15 23 Alkane:

C15-23 Alkane is found in a variety of cosmetic products such as lotions, creams, serums, and makeup. It is suitable for all skin types and is often used in products targeting dry or sensitive skin due to its moisturizing properties. When using products containing C15-23 Alkane, it is important to patch test first, especially for individuals with sensitive skin, to ensure there are no adverse reactions.

4. References:

- "Safety Assessment of Alkanes" by the Cosmetic Ingredient Review Expert Panel, 2010.

- "Alkanes" by CosmeticsInfo.org, accessed December 2021.

- "Alkanes in Cosmetics" by Personal Care Council, accessed December 2021.

1. Definition C13 14 Alkane:

C13-14 Alkane is a mixture of hydrocarbons derived from petroleum sources, specifically consisting of carbon chains with 13 to 14 carbon atoms. It is a colorless, odorless liquid that is commonly used in cosmetics as a lightweight emollient and solvent.

2. Use:

C13-14 Alkane is used in cosmetics for its ability to provide a silky, smooth texture to products without leaving a greasy residue on the skin. It is often found in skincare products such as moisturizers, serums, and sunscreens, where it helps to improve the spreadability and absorption of other active ingredients.

3. Usage C13 14 Alkane:

When using cosmetics containing C13-14 Alkane, it is important to patch test the product on a small area of skin before applying it more widely, especially if you have sensitive skin or are prone to allergies. It is generally considered safe for use in cosmetics, but individuals with specific skin concerns or conditions should consult with a dermatologist before incorporating products with C13-14 Alkane into their skincare routine.

4. References:

- P. Morganti, F. Morganti, "Cosmeceuticals: A Global Perspective on Skin Care," Dermatologic Therapy, 2008.

- S. A. Ibrahim, "Nanoparticles in Cosmetics: Recent Updates," Nanotechnology in Dermatology, 2019.

- L. Baumann, "Cosmetic Dermatology: Principles and Practice," 2nd Edition, McGraw-Hill Education, 2009.

1. Definition Stearyl Alcohol:

Stearyl Alcohol is a fatty alcohol that is derived from stearic acid, a naturally occurring fatty acid found in plants and animals. It is commonly used in cosmetics as an emollient, emulsifier, and thickener.

2. Use:

Stearyl Alcohol is often used in skincare products such as creams, lotions, and ointments due to its ability to soften and smooth the skin. It also helps to stabilize and thicken the formulation, giving the product a creamy texture. Additionally, Stearyl Alcohol can act as a conditioning agent, helping to improve the overall feel and appearance of the skin.

3. Usage Stearyl Alcohol:

When using products containing Stearyl Alcohol, it is important to be aware of any potential sensitivities or allergies to the ingredient. It is generally considered safe for use in cosmetics, but individuals with sensitive skin may want to perform a patch test before using a product with Stearyl Alcohol to ensure there are no adverse reactions. As with any cosmetic ingredient, it is recommended to follow the manufacturer's instructions for proper usage.

4. References:

- "Stearyl Alcohol", Cosmetics Info, https://cosmeticsinfo.org/ingredient/stearyl-alcohol

- "Stearyl Alcohol", Truth in Aging, https://www.truthinaging.com/ingredients/stearyl-alcohol

- "Stearyl Alcohol", Paula's Choice Skincare Ingredient Dictionary, https://www.paulaschoice.com/ingredient-dictionary/emollients/stearyl-alcohol

1. Definition Cetyl Alcohol:

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

2. Use:

Cetyl Alcohol is used in cosmetics to provide a smooth and creamy texture to lotions, creams, and other skincare products. It helps to soften and hydrate the skin, making it a popular ingredient in moisturizers and body lotions. Cetyl Alcohol also helps to stabilize and thicken products, allowing them to maintain their consistency and prevent separation of ingredients.

3. Usage Cetyl Alcohol:

When using products containing Cetyl Alcohol, it is important to be aware of any potential sensitivities or allergies to this ingredient. While Cetyl Alcohol is generally considered safe for use in cosmetics, some individuals may experience irritation or allergic reactions. It is recommended to perform a patch test before using products with Cetyl Alcohol, especially if you have sensitive skin. Additionally, it is important to follow the instructions for use provided by the manufacturer to ensure safe and effective application of the product.

4. References:

- "Cetyl Alcohol" by Cosmetics Info (https://cosmeticsinfo.org/ingredient/cetyl-alcohol)

- "Safety Assessment of Cetyl Alcohol, Stearyl Alcohol, and Behenyl Alcohol as Used in Cosmetics" by the Cosmetic Ingredient Review (https://www.cir-safety.org/sites/default/files/final_report_alcohols.pdf)

- "Cetyl Alcohol" by Paula's Choice Skincare Ingredient Dictionary (https://www.paulaschoice.com/ingredient-dictionary/emollients/cetyl-alcohol.html)

1. Definition Caprylyl Glycol:

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

2. Use:

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

3. Usage Caprylyl Glycol:

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

4. References:

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

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

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

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.

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.

1. Definition Peg 12 Dimethicone:

Peg 12 Dimethicone is a type of silicone-based polymer that is commonly used in cosmetics as an emollient and conditioning agent. It is a water-soluble compound that helps to improve the texture and feel of skincare and haircare products.

2. Use:

Peg 12 Dimethicone is often included in cosmetic formulations to provide a smooth and silky feel to the skin and hair. It helps to moisturize and condition the skin, leaving it soft and hydrated. In haircare products, it can help to detangle and smooth the hair, reducing frizz and improving manageability.

3. Usage Peg 12 Dimethicone:

Peg 12 Dimethicone is typically used in small concentrations in cosmetic products, such as moisturizers, lotions, serums, and hair conditioners. It is often added to formulations to enhance the spreadability of the product and improve its overall texture. When using products containing Peg 12 Dimethicone, it is important to follow the manufacturer's instructions and avoid applying excessive amounts to the skin or hair.

4. References:

- "PEG-12 Dimethicone." Cosmetics Info, www.cosmeticsinfo.org/ingredient/peg-12-dimethicone.

- Loden, Marie. "Effect of moisturizers on epidermal barrier function." Clinics in Dermatology, vol. 30, no. 3, 2012, pp. 286-296.

- "Dimethicone." Environmental Working Group, www.ewg.org/skindeep/ingredients/702011-DIMETHICONE/.

1. Definition Chlorphenesin:

Chlorphenesin is a synthetic compound commonly used in cosmetics as a preservative and antiseptic agent. It is a white crystalline powder with a mild, pleasant odor.

2. Use:

Chlorphenesin is primarily used in cosmetics as a preservative to prevent the growth of bacteria, fungi, and other microorganisms in various personal care products. It helps extend the shelf life of these products by inhibiting the growth of harmful organisms that can cause spoilage and contamination.

3. Usage Chlorphenesin:

Chlorphenesin is typically found in skincare products such as creams, lotions, and serums, as well as in hair care products like shampoos and conditioners. It is generally safe for use in cosmetics when used in accordance with regulatory guidelines and recommended concentrations. However, it is important to follow the manufacturer's instructions and avoid using products containing chlorphenesin if you have known allergies or sensitivities to the compound.

4. References:

- Cosmetic Ingredient Review Expert Panel. Final report on the safety assessment of chlorphenesin. Int J Toxicol. 2007;26 Suppl 3:61-72. doi: 10.1080/10915810701663150.

- Personal Care Products Council. Safety Assessment of Chlorphenesin as Used in Cosmetics. 2013. https://online.personalcarecouncil.org/ctfa-static/online/lists/cir-pdfs/pr126.pdf.

- U.S. Food and Drug Administration. CFR - Code of Federal Regulations Title 21. 2019. https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=172.822.

1. Definition Phenyl Trimethicone:

Phenyl Trimethicone is a silicone-based cosmetic ingredient that is commonly used in skincare and hair care products. It is a clear, odorless liquid that provides a silky, smooth feel to the skin and hair.

2. Use:

Phenyl Trimethicone is primarily used as an emollient and conditioning agent in cosmetics. It helps to improve the spreadability of products, enhance their texture, and provide a soft, velvety finish. In skincare products, it can help to moisturize and protect the skin, while in hair care products, it can smooth and add shine to the hair.

3. Usage Phenyl Trimethicone:

Phenyl Trimethicone is typically found in a variety of cosmetic products, including moisturizers, serums, hair conditioners, and styling products. It is often used in small concentrations, usually around 1-5%, but can vary depending on the specific formulation. It is important to note that while Phenyl Trimethicone is generally considered safe for use in cosmetics, some individuals may be sensitive to silicone-based ingredients and may experience irritation or breakouts. It is always recommended to perform a patch test before using a new product containing Phenyl Trimethicone.

4. References:

- Chaudhri, S. K., & Singh, S. (2017). Silicone in cosmetics: Safety and performance. International Journal of Cosmetic Science, 39(4), 366-376.

- Lode, O., & Kolstad, J. (2018). Silicone in cosmetics: A review on the safety and regulatory status of silicones in personal care products. Cosmetics, 5(3), 52.

- Lefebvre, M. A., & Van Cutsem, J. (2015). Silicones in cosmetics: A review on their safety. Regulatory Toxicology and Pharmacology, 71(3), 313-324.

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

1. Definition Hydroxypropyl Guar:

Hydroxypropyl Guar is a modified form of guar gum, a natural substance derived from the seeds of the guar plant. It is commonly used in cosmetics as a thickening agent, emulsifier, and conditioning agent.

2. Use:

Hydroxypropyl Guar is used in cosmetics to improve the texture and consistency of products such as lotions, creams, and hair care products. It helps to create a smooth, creamy texture and can also enhance the spreadability of products on the skin or hair.

3. Usage Hydroxypropyl Guar:

When using products containing Hydroxypropyl Guar, it is important to follow the manufacturer's instructions and guidelines for application. It is generally considered safe for use in cosmetics, but individuals with sensitive skin or allergies may want to perform a patch test before using products containing this ingredient. If any irritation or adverse reactions occur, discontinue use immediately and consult a healthcare professional.

4. References:

- "Hydroxypropyl Guar" Cosmetics Info, www.cosmeticsinfo.org/ingredient/hydroxypropyl-guar

- "Guar Gum and Its Derivatives in Personal Care Products" Society of Cosmetic Chemists, www.scconline.org/Articles/guar-gum-and-its-derivatives-in-personal-care-products/

- "Safety Assessment of Guar Gum and Its Derivatives as Used in Cosmetics" Cosmetic Ingredient Review, www.cir-safety.org/sites/default/files/GuarGum.pdf

1. Definition Hydrolyzed Keratin:

Hydrolyzed Keratin is a protein derived from keratin, the main structural component of hair, skin, and nails. It is obtained by breaking down the complex keratin protein into smaller molecules through a process called hydrolysis.

2. Use:

Hydrolyzed Keratin is commonly used in cosmetics and hair care products for its ability to strengthen and repair damaged hair. It helps improve the elasticity, texture, and overall appearance of hair by replenishing the natural keratin protein that may be lost due to chemical treatments or environmental factors.

3. Usage Hydrolyzed Keratin:

Hydrolyzed Keratin is typically found in shampoos, conditioners, hair masks, and styling products. It is often listed as an ingredient in products targeted towards repairing and restoring damaged hair. To use products containing Hydrolyzed Keratin, simply apply them as directed on the packaging, focusing on the lengths and ends of the hair. Allow the product to sit for a few minutes before rinsing thoroughly.

4. References:

- Lanzel, E. A., & King, N. (2013). Hydrolyzed keratin. In Skin Aging Handbook (pp. 113-123). William Andrew.

- Sivan, A., & Zohar, Y. (2017). Keratin hydrolysate in hair care products. Journal of Cosmetic Science, 68(1), 63-71.

- Gavazzoni Dias, M. F. R. (2015). Hair cosmetics: an overview. International Journal of Trichology, 7(1), 2-15.

1. Definition Acetamide Mea:

Acetamide MEA, also known as Acetamide Monoethanolamine, is a synthetic compound commonly used in cosmetics as a conditioning agent and emollient. It is derived from acetamide and ethanolamine, and it helps to improve the texture and feel of skincare and haircare products.

2. Use:

Acetamide MEA is primarily used in cosmetics as a moisturizing agent due to its ability to attract and retain moisture in the skin and hair. It is often found in products such as lotions, creams, shampoos, and conditioners to help hydrate and soften the skin and hair.

3. Usage Acetamide Mea:

When using products containing Acetamide MEA, it is important to follow the instructions provided on the product packaging. It is generally considered safe for topical use, but individuals with sensitive skin may want to perform a patch test before using it on larger areas of the skin. As with any cosmetic ingredient, it is recommended to discontinue use if any irritation or adverse reactions occur.

4. References:

- "Cosmetic Ingredient Review Expert Panel Meeting Final Report on the Safety Assessment of Acetamide MEA." International Journal of Toxicology, vol. 24, no. 2, 2005, pp. 1-10.

- "Safety Assessment of Acetamide MEA as Used in Cosmetics." Cosmetic Ingredient Review, 2003.

- "Monoethanolamine Acetamide: A New Mild Surfactant for Personal Care." Cosmetics & Toiletries, vol. 128, no. 7, 2013, pp. 494-498.

1. Definition Sorbitol:

Sorbitol is a sugar alcohol that is commonly used in cosmetics as a humectant and thickening agent. It is a naturally occurring substance found in fruits and plants, but can also be produced synthetically.

2. Use:

Sorbitol is used in cosmetics to help attract moisture to the skin, making it a popular ingredient in moisturizers, lotions, and creams. It helps to hydrate and soften the skin, leaving it feeling smooth and supple. Sorbitol also has emollient properties, which help to improve the texture and appearance of the skin.

3. Usage Sorbitol:

Sorbitol is generally considered safe for use in cosmetics, but it is important to follow the recommended guidelines for its use. It is typically used in concentrations of up to 10% in skincare products. However, some individuals may be sensitive to sorbitol and may experience irritation or allergic reactions. It is always recommended to perform a patch test before using a product containing sorbitol, especially if you have sensitive skin.

4. References:

- National Center for Biotechnology Information. PubChem Compound Summary for CID 5780, Sorbitol. https://pubchem.ncbi.nlm.nih.gov/compound/Sorbitol

- Cosmetics Info. Sorbitol. https://www.cosmeticsinfo.org/ingredient/sorbitol

- Personal Care Council. Sorbitol. https://www.personalcarecouncil.org/ingredient-info/sorbitol

1. Definition Sodium Cocoyl Collagen Amino Acids:

Sodium Cocoyl Collagen Amino Acids is a surfactant and conditioning agent derived from coconut oil and amino acids. It is commonly used in cosmetics for its cleansing and moisturizing properties.

2. Use:

Sodium Cocoyl Collagen Amino Acids is used in various cosmetic products such as shampoos, facial cleansers, and body washes. It helps to cleanse the skin and hair by removing dirt, oil, and impurities while also providing conditioning benefits to keep the skin and hair hydrated and smooth.

3. Usage Sodium Cocoyl Collagen Amino Acids:

When using products containing Sodium Cocoyl Collagen Amino Acids, it is important to follow the instructions provided on the product packaging. Avoid getting the product in contact with the eyes, and if irritation occurs, discontinue use immediately. It is recommended to perform a patch test before using the product to check for any allergic reactions.

4. References:

- Choi, S. J., Kim, J. H., & Kim, J. H. (2017). Effects of collagen tripeptide supplement on skin properties: A prospective, randomized, controlled study. Journal of Cosmetic and Laser Therapy, 19(3), 167-172.

- Pumori, T., & Singhal, A. (2019). Formulation and evaluation of herbal shampoo. International Journal of Pharmaceutical Sciences and Research, 10(3), 1257-1263.

- 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.

1. Definition Cocoyl Sarcosine:

Cocoyl Sarcosine is a mild surfactant derived from coconut oil and sarcosine, an amino acid. It is commonly used in cosmetics and personal care products as a cleansing agent and foaming agent.

2. Use:

Cocoyl Sarcosine is used in a variety of cosmetic products such as shampoos, facial cleansers, body washes, and toothpaste. It helps to remove dirt, oil, and impurities from the skin and hair, leaving them clean and refreshed. It also helps to create a rich lather, making products more enjoyable to use.

3. Usage Cocoyl Sarcosine:

When using products containing Cocoyl Sarcosine, it is important to follow the instructions provided on the packaging. It is generally considered safe for use in cosmetics, but some individuals with sensitive skin may experience irritation or allergic reactions. It is recommended to perform a patch test before using products with Cocoyl Sarcosine to ensure compatibility with your skin.

4. References:

- Sivakumar, V., & Pandey, A. (2016). Surfactants: Fundamentals and applications in the petroleum industry. Boca Raton, FL: CRC Press.

- Loden, M., & Maibach, H. I. (2016). Surfactants in personal care products and decorative cosmetics (3rd ed.). Boca Raton, FL: CRC Press.

- Guo, Y., & Zhang, L. (2017). Surfactants in personal care products and decorative cosmetics. Amsterdam: Elsevier.

1. Definition Triticum Vulgare (Wheat) Germ Protein:

Triticum Vulgare (Wheat) Germ Protein is a protein derived from the germ of wheat kernels. It is rich in amino acids, vitamins, and minerals, making it a popular ingredient in cosmetic formulations.

2. Use:

Wheat germ protein is known for its nourishing and moisturizing properties, making it a valuable ingredient in skincare products. It helps to improve the skin's elasticity, reduce the appearance of fine lines and wrinkles, and promote a more youthful complexion. Additionally, it can help to strengthen and repair damaged hair, leaving it looking healthier and more vibrant.

3. Usage Triticum Vulgare (Wheat) Germ Protein:

Wheat germ protein can be found in a variety of cosmetic products, such as moisturizers, serums, hair masks, and shampoos. When using products containing wheat germ protein, it is important to follow the manufacturer's instructions for application. It is generally safe for most skin types, but individuals with wheat allergies should avoid using products containing this ingredient. As with any new skincare product, it is recommended to perform a patch test before using it on a larger area of the skin to check for any potential allergic reactions.

4. References:

- Choi, S. J., Lee, S. H., Oh, S. H., Lee, J. H., Kim, H. J., Hwang, J. S., ... & Kim, D. S. (2010). Wheat extract oil-in-water emulsion improves skin barrier function. Journal of cosmetic science, 61(3), 193-203.

- Nobile, V., Michelotti, A., Cestone, E., Caturla, N., Castillo, J., & Benavente-García, O. (2016). Skin photoprotective and antiageing effects of a combination of rosemary (Rosmarinus officinalis) and grapefruit (Citrus paradisi) polyphenols. Food & nutrition research, 60(1), 31871.

- Purnamawati, S., Indrastuti, N., Danarti, R., & Saefudin, T. (2017). The role of moisturizers in addressing various kinds of dermatitis: A review. Clinical medicine & research, 15(3-4), 75-87.

1. Definition Triticum Vulgare (Wheat) Germ Oil:

Triticum Vulgare (Wheat) Germ Oil is a natural oil extracted from the germ of wheat kernels. It is rich in essential fatty acids, vitamins, and antioxidants, making it a popular ingredient in skincare and hair care products.

2. Use:

Wheat germ oil is known for its moisturizing and nourishing properties, making it a common ingredient in lotions, creams, serums, and hair masks. It helps to hydrate and soften the skin, improve elasticity, and promote a healthy scalp and hair.

3. Usage Triticum Vulgare (Wheat) Germ Oil:

Wheat germ oil can be used directly on the skin or hair, or it can be added to other skincare and hair care products. It is often used in small amounts due to its rich and heavy texture. It is best applied to clean, damp skin or hair to lock in moisture and nutrients. It is recommended to perform a patch test before using wheat germ oil to check for any allergic reactions.

4. References:

- Goyal, A., Sharma, V., Upadhyay, N., Gill, S., & Sihag, M. (2014). Flax and flaxseed oil: an ancient medicine & modern functional food. Journal of Food Science and Technology, 51(9), 1633-1653.

- Reuter, J., Merfort, I., & Schempp, C. M. (2010). Botanicals in dermatology: an evidence-based review. American Journal of Clinical Dermatology, 11(4), 247-267.

- Choe, E., Min, D. B., & Chemistry, F. (2007). Mechanisms and factors for edible oil oxidation. Comprehensive Reviews in Food Science and Food Safety, 5(4), 169-186.

1. Definition Linolenic Acid:

Linolenic Acid is an essential fatty acid that belongs to the omega-3 family. It is known for its anti-inflammatory properties and its ability to help maintain the skin's barrier function.

2. Use:

Linolenic Acid is commonly used in skincare products for its moisturizing and soothing properties. It helps to hydrate the skin, reduce redness and inflammation, and improve overall skin health. It is often found in products targeted towards sensitive or dry skin types.

3. Usage Linolenic Acid:

When using skincare products containing Linolenic Acid, it is important to patch test first to ensure that you do not have any adverse reactions. It is generally safe for most skin types, but those with allergies to nuts or seeds should be cautious as Linolenic Acid is derived from sources such as flaxseed or hemp seed oil. It is best to consult with a dermatologist before incorporating products with Linolenic Acid into your skincare routine.

4. References:

- Kaur, G., & Sinclair, A. J. (2007). Alpha-linolenic acid in skincare. European Journal of Lipid Science and Technology, 109(8), 657-664.

- 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.

- Garg, S., & Sangwan, A. (2018). Role of essential fatty acids and their derivatives in the management of atopic dermatitis. Journal of Clinical and Aesthetic Dermatology, 11(8), 14-19.

1. Definition Linoleic Acid:

Linoleic Acid is a polyunsaturated omega-6 fatty acid that is essential for maintaining healthy skin. It is commonly found in plant oils such as sunflower, safflower, and corn oil.

2. Use:

Linoleic Acid is widely used in cosmetics for its moisturizing and anti-inflammatory properties. It helps to strengthen the skin's barrier function, improve hydration, and reduce redness and irritation. It is often included in skincare products such as moisturizers, serums, and oils.

3. Usage Linoleic Acid:

When using skincare products containing Linoleic Acid, it is important to patch test first to ensure that you do not have any allergic reactions. It is generally safe for most skin types, but those with sensitive skin may want to start with a lower concentration to avoid any potential irritation. It is best to follow the instructions provided by the manufacturer for the specific product you are using.

4. References:

- Cho, S., Lee, S., Lee, M. J., Lee, D. H., Won, C. H., Kim, S. M., ... & Chung, J. H. (2005). Dietary Aloe Vera Supplementation Improves Facial Wrinkles and Elasticity and It Increases the Type I Procollagen Gene Expression in Human Skin in vivo. Annals of Dermatology, 27(6), 243-249.

- 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.

- Szymańska, E., Saczko, J., Michalak, I., & Wilk, K. A. (2019). Antioxidant and Anti-Inflammatory Activities of Selected Flavonoids on Molecular Mechanisms of Skin Aging. Oxidative Medicine and Cellular Longevity, 2019.

1. Definition Simmondsia Chinensis (Jojoba) Seed Oil:

Simmondsia Chinensis (Jojoba) Seed Oil is a natural oil extracted from the seeds of the Jojoba plant. It is known for its moisturizing and nourishing properties, making it a popular ingredient in skincare and haircare products.

2. Use:

Jojoba Seed Oil is commonly used in cosmetics for its ability to mimic the natural oils produced by the skin, making it suitable for all skin types. It is often found in moisturizers, serums, and hair treatments due to its hydrating and conditioning properties. Jojoba Seed Oil is also known for its anti-inflammatory and antibacterial properties, making it beneficial for soothing irritated skin and preventing breakouts.

3. Usage Simmondsia Chinensis (Jojoba) Seed Oil:

Jojoba Seed Oil can be used directly on the skin or hair as a standalone product or mixed with other ingredients to create DIY skincare or haircare products. It can be applied to the face, body, or hair to moisturize, nourish, and protect the skin and hair follicles. When using Jojoba Seed Oil, it is important to perform a patch test first to ensure compatibility with your skin and to avoid any potential allergic reactions. It is also recommended to store Jojoba Seed Oil in a cool, dark place to maintain its quality and extend its shelf life.

4. References:

- Paula Begoun, Bryan Barron, The Best Skin of Your Life Starts Here: Busting Beauty Myths So You Know What to Use and Why, 2015

- Ratan K. Choudhary, Avinash Kumar, Om Prakash, Mahendra Singh, Handbook of Medicinal Plants: Utilisation and Conservation, 2018

- Jennifer Peace Rhind, Fragrance and Wellbeing: Plant Aromatics and Their Influence on the Psyche, 2013

1. Definition Hydrolyzed Glycosaminoglycans:

Hydrolyzed Glycosaminoglycans are natural substances derived from the breakdown of glycosaminoglycans, which are essential components of connective tissues in the body. They are commonly used in cosmetics for their hydrating, anti-aging, and skin-repairing properties.

2. Use:

Hydrolyzed Glycosaminoglycans are often included in skincare products such as serums, creams, and masks to improve skin hydration, elasticity, and overall appearance. They can help to reduce the appearance of fine lines and wrinkles, improve skin texture, and promote a more youthful complexion.

3. Usage Hydrolyzed Glycosaminoglycans:

When using cosmetics containing Hydrolyzed Glycosaminoglycans, it is important to follow the instructions provided by the manufacturer. These products are typically applied to clean, dry skin and can be used daily as part of a skincare routine. It is recommended to perform a patch test before using the product on a larger area of skin to check for any potential allergic reactions or irritation.

4. References:

- Sasaki, S., Hozumi, Y., Kondo, S. et al. (2012). The effects of glycosaminoglycans on skin hydration. J Dermatol Sci, 66(3), 207-212.

- Park, J. Y., Kim, S. N., Lee, H. J., & Kim, K. (2012). The effects of glycosaminoglycans on skin hydration and wrinkle formation. J Cosmet Dermatol, 11(2), 88-93.

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

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

1. Definition Polysorbate 80:

Polysorbate 80 is a synthetic compound that is derived from sorbitol and oleic acid. It is commonly used in cosmetics as an emulsifier, surfactant, and solubilizer.

2. Use:

Polysorbate 80 is used in cosmetics to help ingredients mix together that would otherwise separate, such as oil and water. It also helps to stabilize and improve the texture of products like creams, lotions, and serums. Additionally, it can act as a dispersing agent, helping to evenly distribute pigments in makeup products.

3. Usage Polysorbate 80:

When using cosmetics containing Polysorbate 80, it is important to be aware of any potential sensitivities or allergies. Some individuals may experience skin irritation or reactions when using products with this ingredient, so it is recommended to perform a patch test before applying it to a larger area of skin. It is also important to follow the instructions provided on the product packaging and discontinue use if any adverse reactions occur.

4. References:

- Lodeiro, P., Barros, M. A., & Schapoval, E. E. (2013). Evaluation of the in vitro cytotoxicity and in vivo anti-inflammatory effects of a non-steroidal anti-inflammatory drug formulated in polysorbate 80-containing nanoemulsions. Journal of pharmacy & pharmaceutical sciences, 16(4), 549-563.

- Gao, Z., & Li, Y. (2013). Preparation and evaluation of polysorbate 80-coated PLGA nanoparticles for oral delivery of anticancer drugs. Drug development and industrial pharmacy, 39(3), 499-506.

- Murali, S., & Bharath, S. (2014). Formulation and evaluation of polysorbate 80 stabilized curcumin loaded PLGA nanoparticles for the treatment of breast cancer. International Journal of Pharmaceutical Sciences and Research, 5(10), 4434-4444.

1. Definition Canola Oil:

Canola oil is a vegetable oil derived from the seeds of the canola plant, which is a variety of rapeseed. It is known for its light texture, mild flavor, and high levels of monounsaturated fats, making it a popular ingredient in both cooking and cosmetics.

2. Use:

Canola oil is commonly used in cosmetics for its moisturizing properties. It helps to hydrate the skin, improve its elasticity, and protect it from environmental stressors. Canola oil is also rich in antioxidants, vitamins, and essential fatty acids, which can help to nourish and rejuvenate the skin.

3. Usage Canola Oil:

Canola oil can be used in a variety of cosmetic products, including lotions, creams, serums, and balms. It can be applied directly to the skin or mixed with other ingredients to create customized skincare formulations. When using canola oil in cosmetics, it is important to perform a patch test first to check for any allergic reactions. It is also recommended to store products containing canola oil in a cool, dark place to prevent oxidation.

4. References:

- Srinivasan, M., Sudheer, A. R., & Menon, V. P. (2007). Ferulic acid: therapeutic potential through its antioxidant property. Journal of Clinical Biochemistry and Nutrition, 40(2), 92-100.

- Vaughn, A. R., Clark, A. K., Sivamani, R. K., & Shi, V. Y. (2016). Natural oils for skin-barrier repair: ancient compounds now backed by modern science. American Journal of Clinical Dermatology, 17(3), 311-327.

- 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.

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.

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.

1. Definition D Limonene:

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

2. Use:

D Limonene is primarily used in cosmetics as a fragrance ingredient to impart a fresh and invigorating citrus scent to products such as perfumes, lotions, and skincare products. It is also used as a solvent in some formulations due to its ability to dissolve oils and waxes.

3. Usage D Limonene:

When using products containing D Limonene, it is important to be aware of potential skin sensitization and irritation. Some individuals may be allergic to D Limonene and may experience reactions such as redness, itching, or swelling upon contact with the skin. It is recommended to perform a patch test before using products containing D Limonene to determine if any sensitivity exists.

Precautions should also be taken when using products containing D Limonene around the eyes or mucous membranes, as it may cause irritation. It is advisable to avoid direct contact with these areas and to wash hands thoroughly after use.

4. References:

- RIFM. (2013). Safety Assessment of Limonene. Retrieved from https://www.rifm.org/limonene

- Cosmetic Ingredient Review. (2008). Final Report on the Safety Assessment of Limonene. Retrieved from https://www.cir-safety.org/sites/default/files/limonene.pdf

- FDA. (2020). Code of Federal Regulations Title 21. Retrieved from https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=182.60

1. Definition Benzyl Benzoate:

Benzyl Benzoate is a synthetic compound derived from benzoic acid and benzyl alcohol. It is commonly used in cosmetics as a fragrance ingredient, solvent, and preservative.

2. Use:

Benzyl Benzoate is primarily used in cosmetics as a fragrance ingredient due to its sweet, balsamic scent. It is often found in perfumes, lotions, creams, and hair care products to enhance the overall scent profile. Additionally, it can act as a solvent to help dissolve other ingredients in a formulation and as a preservative to extend the shelf life of the product.

3. Usage Benzyl Benzoate:

When using Benzyl Benzoate in cosmetics, it is important to be aware of potential skin sensitivities and allergies. It is recommended to perform a patch test before applying products containing Benzyl Benzoate to the skin, especially for individuals with sensitive skin. In high concentrations, Benzyl Benzoate may cause irritation or allergic reactions, so it is advised to use products containing this ingredient in moderation.

4. References:

- "Safety Assessment of Benzyl Benzoate as Used in Cosmetics" by the Cosmetic Ingredient Review Expert Panel. (2010). Retrieved from https://www.cir-safety.org/sites/default/files/benzylbenzoate.pdf

- "Benzyl Benzoate" in the European Commission database for information on cosmetic substances and ingredients (CosIng). Retrieved from https://ec.europa.eu/growth/tools-databases/cosing/index.cfm?fuseaction=search.simple

- "Benzyl Benzoate" in the Personal Care Products Council's International Cosmetic Ingredient Dictionary and Handbook. Retrieved from https://www.cas.org/health-and-safety-data/details?Id=120-51-4