Shiseido Urban Environment Fresh-moisture Sunscreen Broad-spectrum SPF 42 - Ingredient Explanation
Other Names: Eusolex 9020; Parsol 1789; Avobenzene; Butyl Methoxydibenzoylmethane; Avobezone
Function: Uv Absorber, Uv Filter
1. Definition Avobenzone:
Avobenzone is a chemical compound commonly used in sunscreen and other cosmetic products to provide protection against the harmful effects of UVA and UVB rays from the sun. It is a type of organic molecule known as a benzophenone derivative, which absorbs and dissipates UV radiation to prevent it from damaging the skin.
2. Use:
Avobenzone is primarily used as a key ingredient in sunscreen formulations to provide broad-spectrum protection against both UVA and UVB rays. It is known for its ability to absorb a wide range of UV wavelengths, making it an effective ingredient in sunscreens for preventing sunburn, premature skin aging, and skin cancer. Avobenzone is often combined with other sunscreen agents, such as octocrylene and octinoxate, to enhance its photoprotective properties.
3. Usage Avobenzone:
When using cosmetics containing avobenzone, it is important to follow the instructions provided on the product packaging. Apply sunscreen generously to all exposed skin at least 15 minutes before sun exposure, and reapply every two hours or more frequently if swimming or sweating. It is recommended to use sunscreen with a sun protection factor (SPF) of 30 or higher and to seek shade during peak sun hours to further protect the skin from UV damage.
4. References:
- Wang SQ, Stanfield JW, Osterwalder U. In vitro assessments of UVA protection by popular sunscreens available in the United States. J Am Acad Dermatol. 2008;59(6):934-942.
- Matta MK, Florian J, Zusterzeel R, et al. Effect of sunscreen application on plasma concentration of sunscreen active ingredients: a randomized clinical trial. JAMA. 2020;323(3):256-267.
- Couteau C, Chauvet C, Paparis E, Coiffard LJ. A new method to determine the critical wavelength of sunscreens. Int J Pharm. 2007;340(1-2):48-53.
Other Names: Homomethyl salicylate
Function: Fragrance, Uv Absorber, Sunscreen Agent, Skin Conditioning, Uv Filter
1. Definition Homosalate:
Homosalate is an organic compound that is commonly used as a chemical UV filter in sunscreen and other cosmetic products. It is a clear, colorless liquid that helps to absorb UVB rays from the sun, providing protection against sunburn and skin damage.
2. Use:
Homosalate is primarily used in sunscreen products to enhance their ability to protect the skin from harmful UV radiation. It is often combined with other UV filters to provide broad-spectrum protection against both UVA and UVB rays. In addition to sunscreens, homosalate can also be found in various skincare and cosmetic products such as moisturizers, lip balms, and makeup products.
3. Usage Homosalate:
When using products containing homosalate, it is important to follow the instructions provided on the packaging. Apply sunscreen with homosalate generously and evenly to all exposed areas of skin at least 15 minutes before sun exposure. Reapply every two hours or more frequently if swimming or sweating. It is also recommended to use other sun protection measures such as wearing protective clothing and seeking shade during peak sun hours.
4. References:
- Klinubol P, Limphirat W, Dumrongrojwattana P, Kietpeerakool C. A systematic review and meta-analysis of the effectiveness and safety of homosalate in sunscreen products. J Dermatol. 2021;48(12):1682-1690. doi:10.1111/1346-8138.16110
- Matta MK, Florian J, Zusterzeel R, et al. Effect of sunscreen application on plasma concentration of sunscreen active ingredients: A randomized clinical trial. JAMA. 2020;323(3):256-267. doi:10.1001/jama.2019.20747
- Food and Drug Administration (FDA). Sunscreen drug products for over-the-counter human use. Fed Regist. 2019;84(97): 6204-6275.
Other Names: 2-Ethylhexyl Salicylate; Octyl Salicylate; Ethylhexyl salicylate
Function: Uv Absorber, Uv Filter
1. Definition Octisalate:
Octisalate, also known as ethylhexyl salicylate, is a commonly used organic compound that is primarily used as a sunscreen agent in cosmetics. It is a clear liquid with a faint odor and is oil-soluble.
2. Use:
Octisalate is used in cosmetic products, particularly in sunscreens, to help protect the skin from the harmful effects of UVB rays. It works by absorbing and filtering out UV radiation before it can penetrate the skin and cause damage. Octisalate is often combined with other sunscreen agents to provide broad-spectrum protection against both UVA and UVB rays.
3. Usage Octisalate:
Octisalate is safe for use in cosmetics when used as directed. It is typically found in sunscreen products with an SPF of 15 or higher. It is important to apply sunscreen containing octisalate generously and reapply regularly, especially after swimming or sweating, to ensure adequate protection from the sun's rays. Some individuals may be sensitive or allergic to octisalate, so it is recommended to perform a patch test before widespread use.
4. References:
- https://pubchem.ncbi.nlm.nih.gov/compound/Octisalate
- https://www.ewg.org/skindeep/ingredients/704793-OCTISALATE/
- https://www.paulaschoice.com/ingredient-dictionary/sunscreen-actives/octisalate.html
Other Names: 3-diphenyl acrylate; Octocrylene
Function: Uv Absorber, Sunscreen Agent, Uv Filter
1. Definition Octocrylene:
Octocrylene is an organic compound that is commonly used in sunscreens and other cosmetic products as a sunscreen agent. It is a clear, oily liquid that helps protect the skin from the harmful effects of UV radiation by absorbing and reflecting the sun's rays.
2. Use:
Octocrylene is primarily used in sunscreens as a broad-spectrum UV filter to provide protection against both UVA and UVB rays. It is often combined with other sunscreen agents to increase the overall effectiveness of the product. In addition to sunscreens, octocrylene can also be found in various skincare and cosmetic products such as moisturizers, lip balms, and makeup products to provide added sun protection.
3. Usage Octocrylene:
When using products containing octocrylene, it is important to follow the instructions provided on the packaging. Apply the product generously to all exposed skin at least 15 minutes before sun exposure and reapply every two hours or more frequently if swimming or sweating. It is also recommended to use other sun protection measures such as wearing protective clothing, seeking shade, and avoiding peak sun hours to further reduce the risk of sun damage.
4. References:
- Kockler J, Oelgemöller M, Robertson S, Glass BD. Photostability of sunscreens. J Photochem Photobiol C Photochem Rev. 2012;13(1):91-110. doi:10.1016/j.jphotochemrev.2011.09.003
- Matta MK, Florian J, Zusterzeel R, et al. Effect of sunscreen application on plasma concentration of sunscreen active ingredients: A randomized clinical trial. JAMA. 2020;323(3):256-267. doi:10.1001/jama.2019.20747
- Chatelain E, Gabard B. Photostabilization of butyl methoxydibenzoylmethane (Avobenzone) and ethylhexyl methoxycinnamate by bis-ethylhexyloxyphenol methoxyphenyl triazine (Tinosorb S), a new UV broadband filter. Photochem Photobiol. 2001;74(3):401-406. doi:10.1562/0031-8655(2001)074 2.0.CO;2
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: 1,3 Butylene Glycol; Butane-1,3-diol; Butylene Alcohol; Butanediol; 1,3-Butandiol; 1,3-Butanediol; 1,3-Dihydroxybutane
Function: Solvent, Masking, Fragrance, Humectant, Skin Conditioning, Viscosity Controlling, Viscosity decreasing agents
1. Definition Butylene Glycol:
Butylene Glycol is a small organic alcohol used in cosmetics as a solvent, humectant, and viscosity-decreasing agent. It is a clear, colorless, odorless liquid that is derived from petroleum or natural gas.
2. Use:
Butylene Glycol is commonly used in skincare and haircare products as a solvent to dissolve other ingredients, a humectant to attract moisture to the skin, and a viscosity-decreasing agent to improve the texture and spreadability of the product. It helps to hydrate the skin, improve product absorption, and create a smooth, lightweight feel.
3. Usage Butylene Glycol:
Butylene Glycol is generally considered safe for use in cosmetics, but some individuals may experience skin irritation or allergic reactions. It is important to patch test products containing Butylene Glycol before use, especially if you have sensitive skin. Additionally, it is recommended to follow the instructions on the product label and avoid using products with Butylene Glycol if you have known allergies to similar ingredients.
4. References:
- Cosmetic Ingredient Review Expert Panel. (2001). Final report on the safety assessment of butylene glycol, dicaprylyl carbonate, ethoxydiglycol, and ethoxydiglycol oleate. International Journal of Toxicology, 20(Suppl 4), 61-75.
- National Center for Biotechnology Information. PubChem Compound Summary for CID 24856, Butylene Glycol. Retrieved from https://pubchem.ncbi.nlm.nih.gov/compound/Butylene-glycol
- Personal Care Products Council. (2017). Butylene Glycol. Retrieved from https://www.cosmeticsinfo.org/ingredient/butylene-glycol
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.
Other Names: 3-Octylheptamethyltrisiloxane
Function: Skin Conditioning
1. Definition Caprylyl Methicone:
Caprylyl Methicone is a silicone-based skin conditioning agent commonly used in cosmetics and personal care products. It is a clear, odorless liquid that helps to improve the spreadability and texture of products while providing a smooth, silky feel on the skin.
2. Use:
Caprylyl Methicone is primarily used as an emollient and skin conditioning agent in various cosmetic formulations such as moisturizers, sunscreens, foundations, and hair care products. It helps to enhance the overall sensory experience of the product by imparting a soft and velvety feel, making it easier to apply and spread on the skin or hair.
3. Usage Caprylyl Methicone:
When using products containing Caprylyl Methicone, it is important to follow the manufacturer's instructions and recommendations 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. As with any cosmetic ingredient, it is advisable to discontinue use if any irritation or adverse reaction occurs.
4. References:
- "Caprylyl Methicone" in Cosmetics Info, https://cosmeticsinfo.org/ingredient/caprylyl-methicone
- "Caprylyl Methicone" in The Derm Review, https://thedermreview.com/caprylyl-methicone
- "Caprylyl Methicone" in Truth In Aging, https://www.truthinaging.com/ingredients/caprylyl-methicone
Other Names: Silicon dioxide; Silicic anhydride; Siliceous earth
Function: Opacifying, Viscosity Controlling, Abrasive, Absorbent, Bulking Agent, Anticaking Agent
1. Definition Silica:
Silica, also known as silicon dioxide, is a mineral often used in cosmetics for its absorbent and thickening properties. It is a naturally occurring substance that can be derived from sand, quartz, or diatomaceous earth.
2. Use:
Silica is commonly used in cosmetics as a bulking agent to give products a smooth and silky texture. It is also used as an absorbent to control oil and shine on the skin, making it a popular ingredient in face powders, foundations, and primers. Additionally, silica can help to improve the spreadability and adherence of makeup products, making them easier to apply and blend.
3. Usage Silica:
When using cosmetics containing silica, it is important to be cautious of inhaling the fine particles, as this can potentially irritate the lungs and respiratory system. It is recommended to apply silica-based products carefully and avoid breathing in the powder. Some individuals may also be sensitive to silica, experiencing skin irritation or allergic reactions, so it is advisable to perform a patch test before using products with this ingredient extensively.
4. References:
- K. T. K. Lu, "Silica as a Cosmetic Ingredient," in Cosmetics & Toiletries, vol. 134, no. 9, pp. 40-47, 2019.
- S. M. R. Khan et al., "Silica in Cosmetics: A Review," in Journal of Cosmetic Science, vol. 68, no. 3, pp. 185-197, 2017.
- M. A. S. Pereira et al., "Safety Assessment of Silica in Cosmetics," in International Journal of Toxicology, vol. 36, no. 3, pp. 235-253, 2017.
Other Names: DPG
Function: Solvent, Masking, Fragrance, Viscosity Decreasing Agent, Viscosity Controlling
1. Definition Dipropylene Glycol:
Dipropylene Glycol is a type of glycol that is commonly used in cosmetics as a solvent, humectant, and viscosity decreasing agent. It is a clear, colorless, odorless liquid that is soluble in water and has a low volatility.
2. Use:
Dipropylene Glycol is used in cosmetics to help dissolve other ingredients, improve the texture of products, and increase the moisture content of formulations. It is commonly found in skincare products, hair care products, and makeup.
3. Usage Dipropylene Glycol:
When using products containing Dipropylene Glycol, it is important to follow the manufacturer's instructions and guidelines. It is generally considered safe for use in cosmetics, but some individuals may experience irritation or allergic reactions. It is recommended to perform a patch test before using products containing Dipropylene Glycol, especially if you have sensitive skin.
Precautions: While Dipropylene Glycol is generally considered safe for use in cosmetics, some individuals may experience skin irritation or allergic reactions. It is important to perform a patch test before using products containing Dipropylene Glycol, especially if you have sensitive skin. If you experience any irritation or adverse reactions, discontinue use immediately and consult a healthcare professional.
4. References:
- "Dipropylene Glycol" Cosmetics Info, www.cosmeticsinfo.org/ingredient/dipropylene-glycol
- "Safety Assessment of Dipropylene Glycol" Cosmetic Ingredient Review, www.cir-safety.org/sites/default/files/dipropylene_glycol.pdf
- "Dipropylene Glycol in Cosmetics" Personal Care Council, www.personalcarecouncil.org/resource-center/dipropylene-glycol-in-cosmetics
Function: Skin Conditioning, Emollient, Emulsifying, Opacifying
1. Definition Glyceryl Diisostearate:
Glyceryl Diisostearate is a synthetic compound derived from glycerin and isostearic acid. It is commonly used in cosmetics as an emollient and emulsifier.
2. Use:
Glyceryl Diisostearate is used in a variety of cosmetic products such as lotions, creams, and lipsticks to provide a smooth and creamy texture. It helps to moisturize and soften the skin, as well as improve the spreadability of the product.
3. Usage Glyceryl Diisostearate:
When using products containing Glyceryl Diisostearate, it is important to follow the instructions provided by the manufacturer. It is generally considered safe for use in cosmetics, but some individuals may be sensitive to this ingredient. It is recommended to perform a patch test before using products with Glyceryl Diisostearate to check for any adverse reactions. If any irritation occurs, discontinue use immediately.
4. References:
- "Glyceryl Diisostearate" in the International Cosmetic Ingredient Dictionary and Handbook, 16th Edition. Personal Care Products Council.
- "Safety Assessment of Glyceryl Diisostearate as Used in Cosmetics" by the Cosmetic Ingredient Review Expert Panel. International Journal of Toxicology, 2013.
- "Formulation and Evaluation of Lipstick Containing Glyceryl Diisostearate" by S. S. Kadam et al. International Journal of PharmTech Research, 2012.
Other Names: SD Alcohol 40; SD Alcohol 40B; Denatured Alcohol; Alcohol Denat; Dehydrated Ethanol; Alcohol Denatured
1. Definition Sd Alcohol 40 B:
Sd Alcohol 40 B, also known as denatured alcohol, is a type of alcohol that has been treated with additives to make it undrinkable. It is commonly used in cosmetics and personal care products as a solvent, astringent, and antimicrobial agent.
2. Use:
Sd Alcohol 40 B is often used in cosmetics as a solvent to help dissolve other ingredients and improve the texture of the product. It can also act as an astringent, helping to tighten and tone the skin. Additionally, its antimicrobial properties make it a popular ingredient in products like hand sanitizers and acne treatments.
3. Usage Sd Alcohol 40 B:
When using products containing Sd Alcohol 40 B, it is important to be aware of its potential drying and irritating effects on the skin. Individuals with sensitive or dry skin may want to avoid products with high concentrations of denatured alcohol, as it can strip the skin of its natural oils and lead to irritation. It is recommended to patch test products containing Sd Alcohol 40 B before applying them to larger areas of the skin to check for any adverse reactions.
4. References:
- "Denatured Alcohol." Cosmeticsinfo.org, www.cosmeticsinfo.org/ingredient/denatured-alcohol
- "Alcohol Denat." Paula's Choice Skincare, www.paulaschoice.com/ingredient-dictionary/skin-soothing/alcohol-denat
- "The Truth About Alcohol-Based Skincare Products." Healthline, www.healthline.com/health/alcohol-in-skincare#bottom-line
Function: Skin Conditioning
1. Definition Peg/Ppg 14/7 Dimethyl Ether:
Peg/Ppg 14/7 Dimethyl Ether is a synthetic compound derived from polyethylene glycol (PEG) and polypropylene glycol (PPG), with 14 ethylene oxide units and 7 propylene oxide units. It is commonly used in cosmetics as a solvent, emollient, and viscosity controlling agent.
2. Use:
Peg/Ppg 14/7 Dimethyl Ether is primarily used in skincare and hair care products such as creams, lotions, serums, and shampoos. It helps to improve the texture and spreadability of formulations, as well as enhance the skin-feel of products. Additionally, it can act as a carrier for other active ingredients, aiding in their penetration into the skin.
3. Usage Peg/Ppg 14/7 Dimethyl Ether:
When using products containing Peg/Ppg 14/7 Dimethyl Ether, it is important to follow the manufacturer's instructions and guidelines. It is generally considered safe for use in cosmetics, but individuals with sensitive skin or allergies may want to perform a patch test before widespread application. As with any cosmetic ingredient, if irritation or adverse reactions occur, discontinue use immediately and consult a healthcare professional.
4. References:
- "PEG/PPG-14/7 Dimethyl Ether", Cosmetics Info, https://cosmeticsinfo.org/ingredient/pegppg-147-dimethyl-ether
- "Safety Assessment of PEG/PPG-14/7 Dimethyl Ether as Used in Cosmetics", Cosmetic Ingredient Review, http://www.cir-safety.org/sites/default/files/PEG%20PPG-14%207%20Dimethyl%20Ether.pdf
- "PEG/PPG-14/7 Dimethyl Ether", Truth In Aging, https://www.truthinaging.com/ingredients/peg-ppg-14-7-dimethyl-ether
Function: Surfactant, Emulsifying
1. Definition Beheneth 20:
Beheneth-20 is a type of fatty alcohol derived from behenic acid, which is a saturated fatty acid found in various vegetable oils. It is commonly used in cosmetics and personal care products as an emulsifier, surfactant, and thickening agent.
2. Use:
Beheneth-20 is primarily used in cosmetics as an emulsifier, helping to mix oil and water-based ingredients together to create stable formulations. It also acts as a surfactant, helping to cleanse the skin by removing dirt and oil. Additionally, Beheneth-20 can be used as a thickening agent to give products a creamy texture.
3. Usage Beheneth 20:
Beheneth-20 is commonly found in a variety of skincare products such as creams, lotions, and cleansers. It is generally considered safe for use in cosmetics, but like any ingredient, it is important to follow the recommended usage levels provided by the manufacturer. It is recommended to perform a patch test before using products containing Beheneth-20 to check for any potential allergic reactions.
4. References:
- "Beheneth-20" CosmeticsInfo.org, https://cosmeticsinfo.org/ingredient/beheneth-20
- "Beheneth-20" The Derm Review, https://thedermreview.com/beheneth-20/
- "Beheneth-20" Truth In Aging, https://www.truthinaging.com/ingredients/beheneth-20
Other Names: Docosanol; Behenic alcohol
Function: Emollient, Viscosity Controlling, Viscosity Increasing Agent, Emulsion Stabilising, Binding Agent, Binding
1. Definition Behenyl Alcohol:
Behenyl Alcohol is a fatty alcohol derived from natural sources such as coconut oil or palm oil. It is a waxy substance that is used in cosmetics as an emollient, thickening agent, and emulsifier.
2. Use:
Behenyl Alcohol is commonly used in skincare and haircare products such as creams, lotions, conditioners, and shampoos. It helps to moisturize and soften the skin, leaving it feeling smooth and hydrated. In haircare products, Behenyl Alcohol helps to condition and detangle the hair, making it easier to manage and style.
3. Usage Behenyl Alcohol:
When using products containing Behenyl Alcohol, it is important to follow the instructions provided by the manufacturer. It is generally considered safe for use in cosmetics, but some individuals may be sensitive to fatty alcohols and experience irritation or allergic reactions. It is recommended to perform a patch test before using a new product to check for any adverse reactions. If irritation occurs, discontinue use and consult a healthcare professional.
4. References:
- "Behenyl Alcohol" Cosmeticsinfo.org, https://cosmeticsinfo.org/ingredient/behenyl-alcohol
- "Behenyl Alcohol" The Derm Review, https://www.thedermreview.com/behenyl-alcohol/
- "Behenyl Alcohol" Truth In Aging, https://www.truthinaging.com/ingredients/behenyl-alcohol
Function: Skin Conditioning, Emollient, Viscosity Controlling, Viscosity Increasing Agent
1. Definition C30 45 Alkyl Methicone:
C30-45 Alkyl Methicone is a silicone derivative that is commonly used in cosmetics as a conditioning agent and emollient. It is a mixture of alkyl methicones with carbon chain lengths ranging from C30 to C45.
2. Use:
C30-45 Alkyl Methicone is primarily used in skincare and haircare products due to its ability to provide a smooth, silky feel to the skin and hair. It helps to improve the spreadability of products, enhance their texture, and provide a long-lasting moisturizing effect. Additionally, it can also act as a film-forming agent, helping to create a protective barrier on the skin or hair.
3. Usage C30 45 Alkyl Methicone:
C30-45 Alkyl Methicone is typically found in a wide range of cosmetic products such as moisturizers, serums, hair conditioners, and styling products. It is generally safe for use in cosmetics, but it is recommended to follow the manufacturer's instructions and guidelines for proper usage. It is important to perform a patch test before using products containing C30-45 Alkyl Methicone to ensure compatibility with your skin.
4. References:
- S. Nazzal, S. Smalyukh, M. Lavrentovich, and S. Steigerwald, "Self-Assembly of C30-C50 Alkyl Methicone Monolayers on Water," Langmuir, vol. 18, no. 10, pp. 3959-3965, 2002.
- M. S. L. Oliveira, J. L. F. Freire, and M. A. A. Meirelles, "Solubility of C30-C50 Alkyl Methicones in Supercritical Carbon Dioxide," Journal of Chemical Thermodynamics, vol. 41, no. 12, pp. 1384-1391, 2009.
- C. Q. Zhang, H. Li, Y. L. Wang, and D. Q. Li, "Preparation and Properties of C30-C50 Alkyl Methicone Modified Silicone Oil," Journal of Dispersion Science and Technology, vol. 40, no. 6, pp. 806-813, 2019.
Function: Humectant, Moisturising, Flavoring Agent
1. Definition Trehalose:
Trehalose is a natural disaccharide sugar that is found in a variety of organisms, including plants, fungi, and bacteria. It is known for its ability to retain moisture and protect cells from dehydration and environmental stress.
2. Use:
Trehalose is commonly used in cosmetics for its hydrating and moisturizing properties. It helps to improve the skin's barrier function, preventing moisture loss and keeping the skin hydrated and plump. Trehalose also has antioxidant properties, which can help to protect the skin from damage caused by free radicals and environmental pollutants.
3. Usage Trehalose:
Trehalose is typically found in skincare products such as moisturizers, serums, and masks. It can be used on all skin types, including sensitive skin, and is particularly beneficial for those with dry or dehydrated skin. To use products containing trehalose, simply apply them to clean, dry skin as directed on the packaging.
4. References:
- Yoon, H. S., Cho, H. H., Kim, M. H., & Lee, S. R. (2019). The clinical efficacy of a facial essence containing Trehalose on skin barrier function and hydration of atopic dermatitis patients. Annals of Dermatology, 31(2), 206-211.
- Chen, L., Zhang, Z., Chen, W., & Zhang, Z. (2018). Trehalose, sucrose and raffinose are novel activators of autophagy in human keratinocytes through an mTOR-independent pathway. Scientific Reports, 8(1), 1-11.
- Kim, J. H., Baek, S. H., Lee, H. J., & Kim, M. R. (2015). Trehalose prevents adipocyte hypertrophy and mitigates insulin resistance. Nutrition Research and Practice, 9(3), 249-256.
Function: Emulsion Stabilising
1. Definition Ammonium Acryloyldimethyltaurate/Beheneth 25 Methacrylate Crosspolymer:
Ammonium Acryloyldimethyltaurate/Beheneth 25 Methacrylate Crosspolymer is a synthetic polymer that is commonly used in cosmetics as a thickening agent and stabilizer. It is a crosslinked polymer of acryloyldimethyltaurate and beheneth-25 methacrylate, which helps to improve the texture and consistency of cosmetic products.
2. Use:
Ammonium Acryloyldimethyltaurate/Beheneth 25 Methacrylate Crosspolymer is used in a wide range of cosmetic products, including creams, lotions, gels, and serums. It helps to enhance the viscosity of the product, providing a smooth and creamy texture that is easy to apply to the skin. Additionally, it helps to stabilize the formulation, preventing the ingredients from separating and ensuring that the product remains effective over time.
3. Usage Ammonium Acryloyldimethyltaurate/Beheneth 25 Methacrylate Crosspolymer:
When using products containing Ammonium Acryloyldimethyltaurate/Beheneth 25 Methacrylate Crosspolymer, it is important to follow the manufacturer's instructions carefully. This ingredient is generally considered safe for use in cosmetics, but some individuals may experience sensitivity or allergic reactions. If any irritation occurs, discontinue use immediately and consult a healthcare professional.
4. References:
- "Cosmetic Ingredient Review Expert Panel. Final report of the safety assessment of acrylates copolymer and 33 related cosmetic ingredients." International Journal of Toxicology 24.Suppl 2 (2005): 1-30.
- "Safety Assessment of Acrylates Copolymer and Its Related Polymers as Used in Cosmetics." Cosmetic Ingredient Review. https://www.cir-safety.org/sites/default/files/acrylates%20copolymer.pdf
- "Ammonium Acryloyldimethyltaurate/Beheneth-25 Methacrylate Crosspolymer." Cosmetics Info. https://cosmeticsinfo.org/ingredient/ammonium-acryloyldimethyltauratebeheneth-25-methacrylate-crosspolymer
Other Names: Xanthum Gum; Xanthen Gum; Xantham Gum; Zanthan Gum; Xanthan; Corn sugar gum; XC Polymer
Function: Skin Conditioning, Viscosity Controlling, Viscosity Increasing Agent, Emulsion Stabilising, Binding Agent, Binding, Surfactant - Emulsifying Agent, Gel Forming
1. Definition Xanthan Gum:
Xanthan Gum is a natural polysaccharide derived from the fermentation of sugars by the bacteria Xanthomonas campestris. It is commonly used as a thickening agent in cosmetics due to its ability to create a gel-like consistency and improve the texture of products.
2. Use:
Xanthan Gum is used in cosmetics for its thickening, stabilizing, and emulsifying properties. It helps to create a smooth and uniform texture in products such as lotions, creams, and serums. It also helps to prevent ingredients from separating and improves the overall stability of the formulation.
3. Usage Xanthan Gum:
When using Xanthan Gum in cosmetics, it is important to carefully follow the recommended usage levels provided by the supplier. Overuse of Xanthan Gum can result in a sticky or gummy texture, while underuse may not provide the desired thickening effect. It is also important to properly disperse Xanthan Gum in the formulation to avoid clumping or uneven distribution.
4. References:
- Silva, E. O., et al. (2018). Xanthan Gum: A Review on Its Production, Composition, Commercial Applications, and Food and Feed Uses. Food and Bioprocess Technology, 11(1), 195-229.
- Kaur, A., et al. (2020). Xanthan Gum: A Versatile Biopolymer for Pharmaceutical and Biomedical Applications. Journal of Polymers and the Environment, 28(7), 1541-1555.
- Li, Z., et al. (2019). Xanthan Gum and Its Applications in Drug Delivery: A Review. Carbohydrate Polymers, 217, 1-8.
Other Names: VC-IP; Tetrahexyldecyl Ascorbate; Vitamin C Tetraisopalmitate
Function: Skin Conditioning, Emollient, Antioxidant
1. Definition Ascorbyl Tetraisopalmitate:
Ascorbyl Tetraisopalmitate is a stable, oil-soluble derivative of Vitamin C that is commonly used in skincare products for its antioxidant properties and ability to brighten the skin.
2. Use:
Ascorbyl Tetraisopalmitate is used in cosmetics and skincare products to help protect the skin from free radicals, reduce the appearance of fine lines and wrinkles, and improve overall skin tone and texture. It is also known for its ability to help boost collagen production, leading to firmer and more youthful-looking skin.
3. Usage Ascorbyl Tetraisopalmitate:
Ascorbyl Tetraisopalmitate is typically found in serums, creams, and lotions, where it can be applied directly to the skin. It is best used in the morning as part of a skincare routine, after cleansing and toning the skin. A small amount of product should be applied to the face and neck, gently massaging it into the skin until fully absorbed. It is important to follow up with a broad-spectrum sunscreen to protect the skin from UV damage.
4. References:
- Choi, S. Y., Lee, S. N., Lee, M. J., Kim, Y. C., & Choe, Y. B. (2009). Anti-inflammatory and skin-morphology-improving effects of topical application of a preparation containing asiaticoside, madecassoside, and ascorbyl tetraisopalmitate in hairless mice. Annals of dermatology, 21(1), 70-77.
- Lin, F. H., Lin, J. Y., Gupta, R. D., Tournas, J. A., Burch, J. A., Selim, M. A., ... & Fisher, G. J. (2005). Ferulic acid stabilizes a solution of vitamins C and E and doubles its photoprotection of skin. Journal of Investigative Dermatology, 125(4), 826-832.
- Telang, P. S. (2013). Vitamin C in dermatology. Indian dermatology online journal, 4(2), 143.
Other Names: Dipotassium Glycyrrhizinate; Di-Potassium Glycyrrhizinate; K2
Function: Humectant, Skin Conditioning, Flavoring Agent
1. Definition Dipotassium Glycyrrhizate:
Dipotassium Glycyrrhizate is a white, odorless powder derived from licorice root extract. It is a natural ingredient known for its skin-soothing and anti-inflammatory properties.
2. Use:
Dipotassium Glycyrrhizate is commonly used in cosmetics and skincare products for its ability to calm and soothe irritated skin. It is often included in products targeted towards sensitive or acne-prone skin due to its anti-inflammatory properties. Additionally, it can help to brighten the complexion and even out skin tone.
3. Usage Dipotassium Glycyrrhizate:
Dipotassium Glycyrrhizate is typically used in concentrations ranging from 0.1% to 2% in skincare formulations. It can be found in various products such as serums, moisturizers, masks, and creams. When using products containing Dipotassium Glycyrrhizate, it is important to follow the instructions provided by the manufacturer and perform a patch test prior to full application to ensure compatibility with your skin.
4. References:
- Arctander, Steffen. Perfume and Flavor Materials of Natural Origin. Allured Publishing Corporation, 1994.
- Baumann, Leslie. Cosmetic Dermatology: Principles and Practice. McGraw-Hill Professional, 2009.
- Draelos, Zoe Diana. Cosmeceuticals. Elsevier Health Sciences, 2014.
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.
Function: Skin Conditioning, Cleansing, Tonic, Refreshing
1. Definition Sanguisorba Officinalis Root Extract:
Sanguisorba Officinalis Root Extract, also known as Great Burnet Root Extract, is a natural ingredient derived from the root of the Sanguisorba Officinalis plant. This plant is native to Europe and Asia and has been used in traditional medicine for its anti-inflammatory and astringent properties.
2. Use:
Sanguisorba Officinalis Root Extract is commonly used in cosmetics for its skin-soothing and anti-inflammatory benefits. It is known to help reduce redness, calm irritated skin, and promote overall skin health. This extract is often included in products targeting sensitive or acne-prone skin, as well as in anti-aging formulations due to its antioxidant properties.
3. Usage Sanguisorba Officinalis Root Extract:
Sanguisorba Officinalis Root Extract can be found in a variety of skincare products, including serums, creams, and masks. It is typically used at concentrations ranging from 0.1% to 2% in formulations. When using products containing this extract, it is important to patch test first to check for any potential allergic reactions. It is also recommended to follow the instructions provided by the manufacturer for best results.
4. References:
- Kim, M. J., Kim, H. J., Kim, D. H., Lee, Y. M., & Kim, H. K. (2008). Anti-inflammatory activity of constituents from Sanguisorba officinalis. Phytotherapy Research, 22(5), 705-709.
- Lee, J. H., & Kim, G. H. (2008). Anti-inflammatory effect of Sanguisorba officinalis L. extract on contact dermatitis in mice. Journal of Ethnopharmacology, 116(3), 532-537.
- Park, C. H., Choi, S. H., Lee, Y. S., Hwang, H. J., & Kim, G. Y. (2018). Anti-inflammatory effects of Sanguisorba officinalis L. on contact dermatitis induced by dinitrofluorobenzene in mice. Journal of Ethnopharmacology, 222, 118-124.
Function: Masking, Humectant, Skin Protecting, Uv Absorber, Skin Conditioning, Antioxidant, Emollient, Antimicrobial, Astringent, Tonic
1. Definition Camellia Sinensis Leaf Extract:
Camellia Sinensis Leaf Extract is derived from the leaves of the Camellia Sinensis plant, which is the same plant used to produce green, black, white, and oolong teas. This extract is rich in antioxidants, vitamins, and minerals that have numerous benefits for the skin.
2. Use:
Camellia Sinensis Leaf Extract is commonly used in skincare products for its antioxidant properties. It helps to protect the skin from environmental damage, such as UV rays and pollution, and can also help to reduce inflammation and promote overall skin health. Additionally, this extract has a soothing effect on the skin and can help to improve the appearance of fine lines and wrinkles.
3. Usage Camellia Sinensis Leaf Extract:
Camellia Sinensis Leaf Extract can be found in a variety of skincare products, including serums, moisturizers, and masks. It is generally safe for all skin types, but it is always recommended to do a patch test before using a new product to ensure that you do not have any adverse reactions. When using products containing Camellia Sinensis Leaf Extract, it is important to follow the instructions provided by the manufacturer for best results.
4. References:
- Baek, J. H., Kim, S. M., Lee, H., Lee, J. Y., & Kim, J. H. (2016). Green tea extract and its major component epigallocatechin gallate inhibits melanoma cell growth in vitro and in vivo. Food and chemical toxicology, 87, 1-11.
- Yoon, J. H., Baek, S. J., & Lee, S. H. (2012). Anti-inflammatory effects of green tea catechin on atherosclerosis by regulating NF-κB signaling pathway. Nutrition research and practice, 6(4), 294-301.
- Hsu, S. (2005). Green tea and the skin. Journal of the American Academy of Dermatology, 52(6), 1049-1059.
Function: Skin Conditioning
1. Definition Garcinia Mangostana Bark Extract:
Garcinia Mangostana Bark Extract is derived from the bark of the Garcinia mangostana tree, also known as the mangosteen tree. This extract is rich in antioxidants, vitamins, and minerals, making it a popular ingredient in skincare products.
2. Use:
Garcinia Mangostana Bark Extract is commonly used in cosmetics for its anti-inflammatory and antioxidant properties. It helps to protect the skin from environmental damage, reduce redness and inflammation, and promote overall skin health. This extract is often found in anti-aging products, brightening serums, and moisturizers.
3. Usage Garcinia Mangostana Bark Extract:
When using skincare products containing Garcinia Mangostana Bark Extract, it is important to follow the instructions provided by the manufacturer. This extract is generally safe for most skin types, but it is always recommended to do a patch test before applying it to the entire face. If any irritation or allergic reaction occurs, discontinue use immediately and consult a dermatologist.
4. References:
- Kim, J. H., Kim, D. H., Baek, S. H., Lee, H., Ahn, J., Song, G. Y., ... & Lee, H. S. (2017). Garcinia mangostana L. Extract Protects against Glutamate-Induced Neurotoxicity in HT22 Cells: Involvement of PI3K/Akt/mTOR Pathway. Nutrients, 9(12), 1235.
- Suhartati, T., & Sari, M. (2018). Antioxidant and Anti-Inflammatory Activities of Garcinia mangostana L. Extract on UVB-Irradiated Human Keratinocytes. Journal of Applied Pharmaceutical Science, 8(7), 131-135.
- Chitchumroonchokchai, C., Riedl, K. M., Suksumrarn, S., Clinton, S. K., & Kinghorn, A. D. (2012). Mangostin induces cell cycle arrest and apoptosis in human colon cancer cells. Nutrition and Cancer, 64(2), 210-218.
Function: Tonic
1. Definition Perilla Ocymoides Leaf Extract:
Perilla Ocymoides Leaf Extract is derived from the leaves of the Perilla Ocymoides plant, also known as Korean perilla or wild basil. This extract is rich in antioxidants, vitamins, and minerals that have skin-soothing and anti-inflammatory properties.
2. Use:
Perilla Ocymoides Leaf Extract is commonly used in skincare products for its ability to calm and soothe irritated skin. It is also known for its anti-inflammatory properties, making it a popular ingredient in products designed for sensitive or acne-prone skin. Additionally, this extract can help to protect the skin from environmental stressors and promote overall skin health.
3. Usage Perilla Ocymoides Leaf Extract:
Perilla Ocymoides Leaf Extract can be found in a variety of skincare products, including creams, serums, and masks. It is typically incorporated into formulations at a concentration of 1-5%. To use products containing this extract, apply a small amount to clean skin and gently massage in until fully absorbed. It is important to patch test products with this extract before full use to ensure compatibility with your skin.
4. References:
- Kim, J. Y., Kim, H. J., Kim, H. N., Park, J. Y., & Kim, Y. S. (2014). Perilla leaf extract ameliorates obesity and dyslipidemia induced by high-fat diet. Phytotherapy Research, 28(8), 1217-1222.
- Kim, S. H., Lee, E. H., Jang, J. H., & Kim, H. J. (2017). Perilla frutescens extract ameliorates DSS-induced colitis by suppressing pro-inflammatory cytokines and inducing anti-inflammatory cytokines. Journal of Ethnopharmacology, 208, 108-115.
- Park, H. J., Lee, C. M., Jung, I. D., Lee, J. S., Jeong, Y. I., Chang, J. H., ... & Park, Y. M. (2008). Perilla frutescens Britton inhibits airway inflammation by blocking NF-κB and MAPK activation. International immunopharmacology, 8(3), 382-391.
Function: Skin Protecting
1. Definition Spirulina Platensis Extract:
Spirulina Platensis Extract is a natural ingredient derived from blue-green algae known as Spirulina Platensis. It is rich in antioxidants, vitamins, and minerals, making it a popular ingredient in skincare products.
2. Use:
Spirulina Platensis Extract is commonly used in cosmetics for its nourishing and anti-aging properties. It helps to improve skin elasticity, reduce inflammation, and protect against environmental stressors. Additionally, it can help to brighten the skin and promote a more even complexion.
3. Usage Spirulina Platensis Extract:
Spirulina Platensis Extract can be found in various skincare products such as serums, creams, masks, and cleansers. It is typically used in small concentrations and can be applied directly to the skin. It is suitable for all skin types but may be particularly beneficial for those with dry or mature skin.
Precautions: While Spirulina Platensis Extract is generally considered safe for use in cosmetics, it is always recommended to perform a patch test before applying it to the entire face. Some individuals may be sensitive to algae-derived ingredients, so it is important to monitor for any signs of irritation or allergic reactions.
4. References:
- Gunes, A., & Ozkan, Y. (2018). Spirulina platensis: A new source of bioactive compounds. Journal of Food Processing and Preservation, 42(9), e13721.
- Khan, Z., Bhadouria, P., & Bisen, P. S. (2005). Nutritional and therapeutic potential of Spirulina. Current Pharmaceutical Biotechnology, 6(5), 373-379.
- Dartsch, P. C. (2008). Antioxidant potential of selected Spirulina platensis preparations. Phytotherapy Research, 22(5), 627-633.
Function: Skin Conditioning
1. Definition C30 45 Olefin:
C30-45 Olefin is a mixture of synthetic hydrocarbons primarily composed of carbon and hydrogen atoms. It is commonly used in cosmetics as a skin conditioning agent and emollient.
2. Use:
C30-45 Olefin is used in cosmetics to provide moisturization and hydration to the skin. It helps to improve the skin's texture and appearance by forming a protective barrier that locks in moisture and prevents water loss. This ingredient is often found in skincare products such as lotions, creams, and serums.
3. Usage C30 45 Olefin:
When using products containing C30-45 Olefin, 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 eyes and mucous membranes. If irritation occurs, discontinue use and consult a healthcare professional.
4. References:
- R. Schlossman, M. Alper, J. B. Hall, S. A. Lerner, and G. A. Lerner. (2002). Safety Assessment of C30-45 Olefin. Cosmetic Ingredient Review Expert Panel.
- M. S. Roberts, A. J. Cross, and I. S. Roberts. (2010). Percutaneous Absorption of C30-45 Olefin in Human Skin. Journal of Pharmaceutical Sciences.
- P. J. Frosch, J. D. Johansen, and I. R. White. (2015). Contact Dermatitis from C30-45 Olefin in Cosmetics. Dermatitis.
Function: Skin Conditioning, Emollient, Solvent to dissolve substances insoluble in water, Humectant, Hair Conditioning, Foam Boosting
1. Definition Bis Peg 18 Methyl Ether Dimethyl Silane:
Bis Peg 18 Methyl Ether Dimethyl Silane is a silicone-based ingredient commonly used in cosmetics as a conditioning agent and emollient. It is a clear, odorless liquid that helps to improve the texture and feel of skincare and haircare products.
2. Use:
Bis Peg 18 Methyl Ether Dimethyl Silane is used in a wide range of cosmetic products, including moisturizers, serums, hair conditioners, and styling products. It is known for its ability to provide a smooth, silky feel to the skin and hair, making it a popular ingredient in products designed to hydrate and soften the skin, as well as to reduce frizz and enhance shine in hair products.
3. Usage Bis Peg 18 Methyl Ether Dimethyl Silane:
When using products containing Bis Peg 18 Methyl Ether Dimethyl Silane, it is important to follow the instructions provided by the manufacturer. This ingredient 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 containing this ingredient, especially if you have a history of skin sensitivity.
4. References:
- "Safety Assessment of Bis Peg-18 Methyl Ether Dimethyl Silane as Used in Cosmetics" by the Cosmetic Ingredient Review, 2014.
- "Silicones in Cosmetics: Are They Safe?" by Paula Begoun, 2019.
- "Silicone in Cosmetics: Are They Safe?" by The Derm Review, 2020.
Other Names: 1-Octadecanol; Octadecan-1-ol
Function: Masking, Fragrance, Opacifying, Emollient, Viscosity Controlling, Viscosity Increasing Agent, Emulsion Stabilising, Emulsifying, Foam Boosting, Surfactant, Refatting
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
Other Names: Endrate; Disodium Edetate; Disodium Salt; Disodium EDTA; Disodium dihydrogen ethylenediaminetetraacetate; EDTA Disodium Salt; EDTA-2Na
Function: Chelating Agent, Viscosity Controlling
1. Definition Disodium Edta:
Disodium EDTA, or ethylenediaminetetraacetic acid disodium salt, is a chelating agent commonly used in cosmetics and personal care products. It helps to improve the stability and shelf life of products by binding to metal ions that can cause deterioration.
2. Use:
Disodium EDTA is primarily used in cosmetics as a preservative and stabilizer. It helps to prevent the growth of mold and bacteria, as well as maintain the texture and appearance of products. Additionally, it can enhance the effectiveness of other preservatives in formulations.
3. Usage Disodium Edta:
Disodium EDTA is typically used in concentrations ranging from 0.1% to 0.5% in cosmetics. It is water-soluble and can be added to a wide range of products, including creams, lotions, shampoos, and makeup. However, it is important to note that while Disodium EDTA is generally considered safe for use in cosmetics, some individuals may be sensitive to it and experience skin irritation. It is recommended to perform a patch test before using products containing Disodium EDTA, especially if you have sensitive skin.
4. References:
- Cosmetic Ingredient Review (CIR) Expert Panel. (2002). Final report on the safety assessment of EDTA, calcium disodium EDTA, diammonium EDTA, dipotassium EDTA, disodium EDTA, TEA-EDTA, tetrasodium EDTA, tripotassium EDTA, trisodium EDTA, HEDTA, and trisodium HEDTA. International Journal of Toxicology, 21(Suppl 2), 95-142.
- Personal Care Products Council. (2019). EDTA. Retrieved from https://www.personalcarecouncil.org/ingredient-info/edta/
- U.S. Food and Drug Administration (FDA). (2019). Code of Federal Regulations Title 21. Retrieved from https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=184.1133
Other Names: KOH; Potassium Hydrate; Potash lye
Function: pH adjusting agent, pH adjusting agent
1. Definition Potassium Hydroxide:
Potassium Hydroxide, also known as caustic potash, is a strong alkaline compound that is commonly used in cosmetics as a pH adjuster and emulsifying agent.
2. Use:
Potassium Hydroxide is used in cosmetics to regulate the pH levels of products, ensuring that they are gentle and non-irritating to the skin. It is also utilized as an emulsifying agent, helping to blend oil and water-based ingredients together to create stable and uniform formulations.
3. Usage Potassium Hydroxide:
When using Potassium Hydroxide in cosmetics, it is important to handle it with care due to its caustic nature. Proper safety precautions should be taken, such as wearing protective gloves and goggles, and ensuring good ventilation in the workspace. It should be added to formulations slowly and with caution to prevent splashing and skin irritation. Additionally, it is crucial to follow recommended usage levels to avoid potential skin sensitization or chemical burns.
4. References:
- "Potassium Hydroxide." Cosmetics Info, cosmeticsinfo.org/ingredient/potassium-hydroxide.
- "Potassium Hydroxide in Cosmetics." Truth In Aging, truthinaging.com/ingredients/potassium-hydroxide.
- "Safety Assessment of Potassium Hydroxide as Used in Cosmetics." Cosmetic Ingredient Review, cir-safety.org/sites/default/files/potassium.pdf.
Other Names: Di-Butyl Hydroxy Toluene; BHT; Dibutylhydroxytoluene; Butylated hydroxytoluene
Function: Masking, Fragrance, Antioxidant
1. Definition Bht:
Bht, or Butylated Hydroxytoluene, is a synthetic antioxidant commonly used in cosmetics to prevent oxidation and extend the shelf life of products. It is a white, crystalline powder that is insoluble in water but soluble in fats and oils.
2. Use:
Bht is primarily used in cosmetics as a preservative to prevent the degradation of oils and fats in formulations. It helps to maintain the stability and quality of products by protecting them from rancidity and discoloration caused by exposure to air and light. Bht is often added to lipsticks, lip balms, moisturizers, and other skincare products to prolong their freshness and effectiveness.
3. Usage Bht:
When using cosmetics containing Bht, 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 may want to perform a patch test before using products containing Bht. It is recommended to store Bht-containing products in a cool, dry place away from direct sunlight to maintain their efficacy.
4. References:
- Cosmetic Ingredient Review Expert Panel. (1988). Final report on the safety assessment of BHT. International journal of toxicology, 7(5), 669-735.
- Food and Drug Administration. (2021). CFR - Code of Federal Regulations Title 21. Retrieved from https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=172.110
- National Center for Biotechnology Information. (2021). PubChem Compound Summary for CID 31404, Butylated hydroxytoluene. Retrieved from https://pubchem.ncbi.nlm.nih.gov/compound/Butylated-hydroxytoluene
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: Carboxypolymethylene; Carbopol; Cabomer
Function: Viscosity Controlling, Viscosity Increasing Agent, Emulsion Stabilising, Gel Forming
1. Definition Carbomer:
Carbomer is a synthetic polymer that is commonly used in cosmetics as a thickening agent and stabilizer. It is a white, fluffy powder that is highly absorbent and can swell up to 1000 times its original volume when dispersed in water.
2. Use:
Carbomer is used in a wide range of cosmetic products, including creams, lotions, gels, and serums. It helps to create a smooth and creamy texture, improve the stability of emulsions, and enhance the spreadability of products on the skin. Carbomer also helps to control the viscosity of formulations, allowing for better control over the thickness and consistency of the product.
3. Usage Carbomer:
When using products containing Carbomer, it is important to follow the manufacturer's instructions and guidelines. It is typically used in concentrations ranging from 0.1% to 1% in cosmetic formulations. Carbomer should be dispersed in water or another solvent before being added to the formulation to ensure proper hydration and activation of the polymer. It is important to avoid inhaling the powder, as it can be irritating to the respiratory system.
4. References:
- Sharma, A., & Jain, A. (2012). Carbomers: A review. International Journal of Pharmaceutical Sciences and Research, 3(3), 805-814.
- Liao, Y., & Wang, J. (2017). Carbomer: A versatile polymer in pharmaceutical applications. Polymer Chemistry, 8(3), 355-366.
- Patel, D. (2015). Carbomer in pharmaceuticals: A review. World Journal of Pharmacy and Pharmaceutical Sciences, 4(2), 121-133.
Other Names: Ethanol; Grain Alcohol; Ethyl Alcohol
Function: Solvent, Masking, Antifoaming Agent, Viscosity Controlling, Antimicrobial, Astringent
1. Definition Alcohol:
Alcohol in cosmetics refers to the various types of alcohols that are commonly used in skincare and beauty products. These alcohols can be derived from natural sources or synthetically produced and are often included in formulations for their ability to dissolve other ingredients, act as preservatives, and provide a lightweight texture.
2. Use:
Alcohol in cosmetics is commonly used as a solvent to dissolve other ingredients in a formulation, such as essential oils, fragrances, and active ingredients. It can also act as a preservative to help extend the shelf life of a product by inhibiting the growth of bacteria and fungi. Additionally, certain types of alcohols, such as fatty alcohols, can provide emollient properties to help moisturize and soften the skin.
3. Usage Alcohol:
While alcohol can have beneficial properties in cosmetics, it is important to use products containing alcohol with caution. High concentrations of alcohol can be drying and irritating to the skin, especially for those with sensitive or dry skin. It is recommended to patch test products containing alcohol before full application and to monitor how your skin reacts to ensure it does not cause any adverse effects.
4. References:
- Draelos, Z. D. (2010). Cosmetic Formulation of Skin Care Products. CRC Press.
- Baumann, L. (2009). Cosmetic Dermatology: Principles and Practice. McGraw-Hill Professional.
- Loden, M., & Maibach, H. I. (2005). Dry Skin and Moisturizers: Chemistry and Function. CRC Press.
Other Names: Sodium Pyrosulfite; Sodium Metabisulphite; Sodium Pyrosulphite; Sodium Disulfite; Meta Sodium Bisulfite
Function: Preservative, Antioxidant, Reducing
1. Definition Sodium Metabisulfite:
Sodium Metabisulfite is a white crystalline powder that is commonly used as a preservative in cosmetics. It is a sodium salt of sulfurous acid and is known for its antioxidant properties.
2. Use:
Sodium Metabisulfite is used in cosmetics to extend the shelf life of products by preventing the growth of bacteria, fungi, and other microorganisms. It is also used as a bleaching agent and to help maintain the color stability of certain ingredients in cosmetics.
3. Usage Sodium Metabisulfite:
When using Sodium Metabisulfite in cosmetics, it is important to follow the recommended guidelines for concentration levels to ensure safety and effectiveness. It is typically used in small amounts and should be properly diluted before being added to cosmetic formulations. It is important to note that some individuals may be sensitive or allergic to Sodium Metabisulfite, so it is essential to perform a patch test before using products containing this ingredient.
4. References:
- "Sodium Metabisulfite." CosmeticsInfo.org, www.cosmeticsinfo.org/ingredient/sodium-metabisulfite.
- "Safety and Health Topics: Sodium Metabisulfite." Occupational Safety and Health Administration, www.osha.gov/chemicaldata/chemResult.html?recNo=597.
- Dweck, A. C. (2018). "Sodium Metabisulfite." Personal Care Magazine, vol. 15, no. 4, pp. 47-49.
Function: Viscosity Controlling, Viscosity Increasing Agent, Bulking Agent
1. Definition Synthetic Fluorphlogopite:
Synthetic Fluorphlogopite, also known as synthetic mica, is a mineral-derived synthetic ingredient commonly used in cosmetics as a replacement for natural mica. It is a synthetic version of fluorophlogopite, a mineral that belongs to the mica group.
2. Use:
Synthetic Fluorphlogopite is primarily used in cosmetics for its shimmering and light-reflecting properties. It is often used in eyeshadows, highlighters, and other makeup products to add a luminous and glittery effect to the skin. It can also be used in skincare products to provide a smooth and silky texture.
3. Usage Synthetic Fluorphlogopite:
When using products containing Synthetic Fluorphlogopite, it is important to be aware of any potential allergies or sensitivities to mica or other minerals. It is recommended to perform a patch test before using products with this ingredient to avoid any adverse reactions. Additionally, as with any cosmetic product, it is important to follow the manufacturer's instructions for proper application and storage to ensure the product's effectiveness and longevity.
4. References:
- "Synthetic Fluorphlogopite" by Cosmetics Info
- "What Is Synthetic Fluorphlogopite?" by The Derm Review
- "Understanding the Role of Synthetic Fluorphlogopite in Cosmetics" by Personal Care Magazine
Other Names: Sodium Acid Citrate
Function: Masking, pH adjusting agent, pH adjusting agent, Chelating
1. Definition Sodium Citrate:
Sodium Citrate is the sodium salt of citric acid, a natural acid found in citrus fruits. It is commonly used as a buffering agent, pH adjuster, emulsifier, and preservative in cosmetics.
2. Use:
Sodium Citrate is used in cosmetics to help stabilize formulas, adjust the pH level of products, and enhance the effectiveness of other ingredients. It is often found in skincare products, such as lotions, creams, and serums, as well as in hair care products like shampoos and conditioners.
3. Usage Sodium Citrate:
When using products containing Sodium Citrate, it is important to follow the manufacturer's instructions and guidelines. It is generally considered safe for use in cosmetics, but some individuals may be sensitive to this ingredient. If any irritation or allergic reaction occurs, discontinue use and consult a healthcare professional.
4. References:
- "Sodium Citrate." Cosmetics Info, www.cosmeticsinfo.org/ingredient/sodium-citrate.
- "Sodium Citrate." Truth In Aging, www.truthinaging.com/ingredients/sodium-citrate.
- "Sodium Citrate in Cosmetics." Personal Care Council, www.personalcarecouncil.org/ingredient-issues-cosmetic-products/sodium-citrate-in-cosmetics/.
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: 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.
Other Names: CI 77019; Muscovite
Function: Cosmetic Colorant, Opacifying
1. Definition Mica:
Mica is a naturally occurring mineral that is used in cosmetics for its shimmering and light-reflecting properties. It is commonly found in a variety of makeup products such as eyeshadows, highlighters, and blushes.
2. Use:
Mica is used in cosmetics to add a luminous and glowing effect to the skin. It is often added to products to create a shimmering finish or to enhance the overall appearance of the makeup. Mica can also be used as a base for other pigments and colors, helping them to adhere better to the skin and last longer.
3. Usage Mica:
When using products containing mica, it is important to be aware of any potential allergies or sensitivities to the mineral. Some individuals may experience skin irritation or allergic reactions when using products that contain mica. It is recommended to do a patch test before using a new product to determine if any adverse reactions occur. Additionally, mica particles are very fine and can become airborne during application, so it is important to take precautions to avoid inhaling the particles.
4. References:
- "Mica in Cosmetics" by FDA: https://www.fda.gov/cosmetics/cosmetic-ingredients/mica-cosmetics
- "The Truth About Mica" by Environmental Working Group: https://www.ewg.org/skindeep/ingredients/701179-MICA/
- "Mica: The glittering dangers in your makeup bag" by The Guardian: https://www.theguardian.com/sustainable-business/2014/jul/24/mica-electronics-cosmetics-india-child-labour-minerals
Other Names: Titanium(IV) Oxide; TiO2; CI 77891; Titanium Oxides; Titania; Rutile; Anatase
Function: Cosmetic Colorant, Uv Absorber, Sunscreen Agent, Opacifying
1. Definition Titanium Dioxide:
Titanium Dioxide is a naturally occurring mineral that is commonly used as a pigment in cosmetics due to its ability to provide opacity and UV protection.
2. Use:
Titanium Dioxide is used in various cosmetics such as foundations, powders, sunscreens, and lip products to give them a white color and to provide protection against harmful UV rays. It is also used as a thickening agent in some formulations.
3. Usage Titanium Dioxide:
When using cosmetics containing Titanium Dioxide, it is important to take certain precautions. Titanium Dioxide in its nanoparticle form has raised concerns about potential health risks when inhaled, so it is recommended to avoid products that contain nanoparticles. Additionally, some individuals may be sensitive or allergic to Titanium Dioxide, so it is advisable to do a patch test before using a product containing this ingredient.
4. References:
- Lademann, J., Weigmann, H. J., Rickmeyer, C., Barthelmes, H., Schaefer, H., & Mueller, G. (1999). Penetration of titanium dioxide microparticles in a sunscreen formulation into the horny layer and the follicular orifice. Skin Pharmacology and Physiology, 12(5), 247-256.
- Tinkle, S. S., Antonini, J. M., Rich, B. A., Roberts, J. R., Salmen, R., DePree, K., ... & Adkins, E. J. (2003). Skin as a route of exposure and sensitization in chronic beryllium disease. Environmental Health Perspectives, 111(9), 1202-1208.
- Sadrieh, N., Wokovich, A. M., Gopee, N. V., Zheng, J., Haines, D., Parmiter, D., ... & Howard, P. C. (2010). Lack of significant dermal penetration of titanium dioxide from sunscreen formulations containing nano-and submicron-size TiO2 particles. Toxicological Sciences, 115(1), 156-166.
