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| EWG | CIR | Ingredient Name & Cosmetic Function | Notes |
|---|---|---|---|
| 1 | - | (Solvent) | |
| 1 | B | (Solvent, Skin Conditioning, Emollient) | |
| 1 | A | (Solvent, Masking, Perfuming, Skin Conditioning, Emollient) | |
| 6 | - | (Uv Absorber, Uv Filter) | UV Protection  Bad for sensitive skin  Fragrance-free |
| 1 | A | (Opacifying, Emollient, Viscosity Controlling, Viscosity Increasing Agent, Emulsion Stabilising, Emulsifying, Foam Boosting, Viscosity Increasingagent - Aqueous) | Cleansing |
| 1 | A | (Masking, Fragrance, Opacifying, Emollient, Viscosity Controlling, Viscosity Increasing Agent, Emulsion Stabilising, Emulsifying, Foam Boosting, Surfactant) | Cleansing |
| 1 | A | (Emollient, Emulsifying) |  Fungal Acne Trigger Cleansing |
| 1 3 | A | (Skin Protecting, Skin Conditioning, Emollient, Antifoaming Agent) |  Silicone Moisturizing |
| 2 4 | A | (Fragrance, Preservative) | |
| 3 | A | (Surfactant) | Fungal Acne Trigger Cleansing |
| 8 | - | (Masking, Perfuming, Deodorant) | Fragrance-free |
| 1 | A | (Skin Conditioning, Viscosity Controlling, Viscosity Increasing Agent, Emulsion Stabilising, Binding Agent, Binding, Surfactant - Emulsifying Agent, Gel Forming) | |
| 3 | B | (Solvent, Fragrance, Humectant, Viscosity Decreasing Agent, Skin Conditioning, Viscosity Controlling, Skin-Conditioningagent - Miscellaneous) |  Good for dry skin |
| 1 3 | B | (Surfactant, Emulsifying, Cleansing) | Cleansing |
| 1 3 | B | (Surfactant, Emulsifying, Sufactant) | Cleansing |
| 6 | A | (Preservative) | |
| 2 | A | (Deodorant, Skin Conditioning) | |
| 1 | A |  Bad for oily skin Fungal Acne Trigger | |
| 3 | A | (Masking, Fragrance, Antioxidant) | |
| 2 | A | (Chelating Agent) | |
| 1 | - | (Skin Conditioning, Antioxidant) | Anti Aging |
| 1 2 | A | (Masking, Fragrance, Chelating Agent, pH adjusting agent, pH adjusting agent) | Anti Aging Bad for sensitive skin |
| 1 | A | (Humectant, Skin Conditioning) | Good for dry skin Promotes Wound Healing |
| 1 | - | (Skin Conditioning) | |
| 6 | B | (Preservative) | |
| 3 | - | (Masking, Deodorant, Fragrance) |  Allergen Fragrance-free |
| 3 4 | - | (Masking, Fragrance) | Allergen Fragrance-free |
| 3 5 | - | (Masking, Fragrance, Tonic) | Allergen Fragrance-free |
| 7 | - | (Perfuming) | Allergen Fragrance-free |
| 3 5 | - | (Masking, Fragrance, Uv Absorber) | Allergen Fragrance-free |
| 3 6 | - | (Masking, Fragrance) | Allergen Fragrance-free |
| 3 5 | - | (Skin Conditioning, Perfuming) | Allergen Fragrance-free |
| 4 5 | - | (Solvent, Perfuming, Deodorant) | Allergen Fragrance-free |
| 4 6 | A | (Solvent, Masking, Fragrance, Viscosity Decreasing Agent, Preservative, External Analgesic ) | Allergen Fragrance-free |
| 3 4 | - | (Masking, Fragrance, Flavoring Agent) | Allergen Fragrance-free |
| 4 5 | A | (Solvent, Masking, Fragrance, Antimicrobial) | Allergen Fragrance-free |
| - | - | (Perfuming) | Allergen Fragrance-free |
| EWG | CIR | Ingredient Name & Cosmetic Function | Notes |
|---|---|---|---|
| 1 | - | (Solvent) | |
| 1 | B | (Solvent, Perfuming, Fragrance, Emollient) | |
| 1 2 | A | (Solvent, Perfuming, Fragrance, Humectant, Viscosity Decreasing Agent, Hair Conditioning, Skin Protecting, Denaturant ) | Good for dry skin Moisturizing |
| 2 | - | (Solvent, Viscosity Decreasing Agent, Viscosity Controlling) | |
| 1 | A | (Solvent, Masking, Fragrance, Humectant, Skin Conditioning, Viscosity Controlling, Viscosity decreasing agents) | Good for dry skin |
| 1 | A | (Solvent) | |
| 1 3 | A | (Skin Protecting, Skin Conditioning, Emollient, Antifoaming Agent) | Silicone Moisturizing |
| 2 | B | (Opacifying, Viscosity Controlling, Viscosity Increasing Agent, Binding Agent, Binding, Film Forming) | |
| 1 | - | (Viscosity Controlling, Emulsion Stabilising, Film Forming) | |
| 1 | B | (Humectant, Hair Conditioning, Skin Conditioning, Antistatic Agent) | Good for dry skin |
| 1 | - | (Antioxidant) | |
| 1 | A | (Solvent, Skin Conditioning) | |
| 1 2 | - | (Skin Conditioning, Emollient, Antistatic Agent, Emulsifying, Surfactant) | Cleansing |
| 1 4 | B | (Denaturant , pH adjusting agent, pH adjusting agent) | |
| 2 3 | A | (Skin Conditioning, Antioxidant) | Anti Aging |
| 1 | A | (Humectant, Skin Conditioning, Antistatic Agent, Viscosity Increasing Agent, Moisturising) | Promotes Wound Healing Moisturizing |
| 1 | - | (Solvent, Masking, Perfuming) | |
| 1 | - | (Skin Conditioning, Humectant, Hair Conditioning) | |
| 1 | A | (Humectant, Skin Conditioning) | Good for dry skin Promotes Wound Healing |
| 1 | - | (Humectant, Hair Conditioning, Skin Conditioning) | Promotes Wound Healing |
| 1 | - | (Skin Conditioning, Humectant) | |
Water
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.
Isohexadecane
1. Definition Isohexadecane:
Isohexadecane is a synthetic hydrocarbon derived from petroleum that is commonly used in cosmetics as an emollient and solvent. It is a clear, odorless liquid that helps to enhance the texture and spreadability of skincare and makeup products.2. Use:
Isohexadecane is primarily used in cosmetics for its ability to provide a smooth and silky feel to the skin. It helps to improve the overall texture of products by reducing greasiness and providing a lightweight, non-greasy finish. Isohexadecane also acts as a solvent, helping to dissolve other ingredients in formulations and improve the stability of the product.3. Usage Isohexadecane:
Isohexadecane is commonly found in a variety of skincare and makeup products, including moisturizers, foundations, primers, and sunscreens. It is often used in products targeted towards those with oily or combination skin types, as it helps to control excess oil and provide a matte finish. Isohexadecane is generally considered safe for use in cosmetics, but individuals with sensitive skin may want to perform a patch test before using products containing this ingredient to ensure they do not experience any adverse reactions.4. References:
- "Isohexadecane." Cosmetics Info, www.cosmeticsinfo.org/ingredient/isohexadecane.
- "Isohexadecane." The Derm Review, www.thedermreview.com/isohexadecane/.
- "Isohexadecane." Truth in Aging, www.truthinaging.com/ingredients/isohexadecane.
Caprylic/ Capric Triglyceride
1. Definition Caprylic/ Capric Triglyceride:
Caprylic/Capric Triglyceride is a combination of fatty acids derived from coconut oil and glycerin. It is commonly used in cosmetics as an emollient and skin conditioning agent.2. Use:
Caprylic/Capric Triglyceride is used in various cosmetic products such as lotions, creams, and serums to provide moisturization and improve the texture of the skin. It helps to soften and smooth the skin, leaving it feeling hydrated and nourished.3. Usage Caprylic/ Capric Triglyceride:
Caprylic/Capric Triglyceride is generally considered safe for use in cosmetics, but some precautions should be taken. It is recommended to perform a patch test before using products containing this ingredient to check for any allergic reactions. Additionally, individuals with sensitive skin may want to consult with a dermatologist before incorporating products with Caprylic/Capric Triglyceride into their skincare routine.4. References:
- "Caprylic/Capric Triglyceride." Cosmetics Info, www.cosmeticsinfo.org/ingredient/capryliccapric-triglyceride.
- "Caprylic/Capric Triglyceride." The Derm Review, www.thedermreview.com/caprylic-capric-triglyceride/.
- "Caprylic/Capric Triglyceride." Truth in Aging, www.truthinaging.com/ingredients/capryliccapric-triglyceride.
Ethylhexyl Methoxycinnamate
1. Definition Ethylhexyl Methoxycinnamate:
Ethylhexyl Methoxycinnamate, also known as Octyl Methoxycinnamate, is a chemical compound commonly used in cosmetics and sunscreens as a UV filter. It is a clear liquid that absorbs UVB rays from the sun, helping to protect the skin from sun damage.2. Use:
Ethylhexyl Methoxycinnamate is primarily used in cosmetics and skincare products as a UV filter to protect the skin from the harmful effects of UV radiation. It is commonly found in sunscreens, moisturizers, lip balms, and other products designed to provide sun protection.3. Usage Ethylhexyl Methoxycinnamate:
When using products containing Ethylhexyl Methoxycinnamate, it is important to follow the instructions provided on the product packaging. Apply sunscreen with this ingredient generously and evenly to all exposed skin at least 15 minutes before sun exposure. Reapply every two hours or more frequently if swimming or sweating. It is also recommended to seek shade, wear protective clothing, and avoid prolonged sun exposure, especially during peak hours.4. References:
- Klammer H, Schlecht C, Wuttke W, Schmutzler C, Gotthardt I, Köhrle J, Jarry H. Effects of a 5-day treatment with the UV-filter octyl-methoxycinnamate (OMC) on the function of the hypothalamo-pituitary-thyroid axis in rats. Toxicology. 2007;238(2-3):192-9. doi: 10.1016/j.tox.2007.06.017. Epub 2007 Jul 3. PMID: 17658655.
- Schlumpf M, Cotton B, Conscience M, Haller V, Steinmann B, Lichtensteiger W. In vitro and in vivo estrogenicity of UV screens. Environ Health Perspect. 2001 Mar;109(3):239-44. doi: 10.1289/ehp.01109239. PMID: 11333190; PMCID: PMC1240267.
- Janjua NR, Mogensen B, Andersson AM, Petersen JH, Henriksen M, Skakkebaek NE, Wulf HC. Systemic absorption of the sunscreens benzophenone-3, octyl-methoxycinnamate, and 3-(4-methyl-benzylidene) camphor after whole-body topical application and reproductive hormone levels in humans. J Invest Dermatol. 2004 May;122(5):1257-61. doi: 10.1111/j.0022-202X.2004.22603.x. PMID: 15140223.
Cetearyl Alcohol
1. Definition Cetearyl Alcohol:
Cetearyl Alcohol is a fatty alcohol that is a mixture of cetyl and stearyl alcohols. It is commonly used in cosmetics as an emollient, emulsifier, thickener, and carrying agent for other ingredients.2. Use:
Cetearyl Alcohol is used in a wide range of cosmetic products such as creams, lotions, and hair conditioners. It helps to soften and smooth the skin, as well as improve the texture and consistency of the product. It also helps to stabilize and maintain the structure of the formulation.3. Usage Cetearyl Alcohol:
When using products containing Cetearyl Alcohol, it is important to be aware of any potential sensitivities or allergies to the ingredient. Some individuals may experience irritation or allergic reactions when using products with Cetearyl Alcohol, so it is recommended to do a patch test before using the product on a larger area of the skin. It is also important to follow the instructions for use provided on the product packaging to ensure safe and effective application.4. References:
- "Cetearyl Alcohol" by Paula Begoun, Cosmetics Cop, https://www.paulaschoice.com/ingredient-dictionary/emollients/cetearyl-alcohol.html
- "Cetearyl Alcohol in Cosmetics: Safe or Harmful?" by Dr. Anvita Arora, Dermatologist, https://www.dranvitaarora.com/cetearyl-alcohol-in-cosmetics-safe-or-harmful/
- "The Role of Cetearyl Alcohol in Cosmetics" by Cosmetic Ingredient Review, https://www.cir-safety.org/sites/default/files/cetearylcir.pdf
Cetyl 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)
Glyceryl Stearate
1. Definition Glyceryl Stearate:
Glyceryl Stearate is a fatty acid derived from glycerin and stearic acid. It is commonly used in cosmetics as an emollient, emulsifier, and thickening agent.2. Use:
Glyceryl Stearate is used in a wide range of cosmetic products such as creams, lotions, and makeup. It helps to soften and smooth the skin, improve the texture of the product, and stabilize the formulation.3. Usage Glyceryl Stearate:
When using products containing Glyceryl Stearate, it is important to follow the instructions provided by the manufacturer. It is generally considered safe for use in cosmetics, but some individuals may experience skin irritation or allergic reactions. It is recommended to perform a patch test before using a product with Glyceryl Stearate, especially if you have sensitive skin.4. References:
- "Glyceryl Stearate" by The Personal Care Products Council
- "Safety Assessment of Glyceryl Stearate and Glyceryl Stearate SE as Used in Cosmetics" by the Cosmetic Ingredient Review
- "Glyceryl Stearate" by Paula's Choice Skincare
Dimethicone
1. Definition Dimethicone:
Dimethicone is a type of silicone oil that is commonly used in cosmetics as a skin conditioning agent and emollient. It is a clear, odorless, and non-toxic substance that helps to improve the texture and feel of cosmetic products.2. Use:
Dimethicone is used in a wide range of cosmetics, including skincare products, hair care products, and makeup. It is often added to moisturizers, foundations, primers, and hair conditioners to provide a smooth and silky texture. Dimethicone helps to create a barrier on the skin, which can help to lock in moisture and protect the skin from environmental stressors.3. Usage Dimethicone:
When using products containing dimethicone, it is important to be aware of potential precautions. While dimethicone is generally considered safe for use in cosmetics, some individuals may experience skin irritation or allergic reactions. It is recommended to do a patch test before using a new product containing dimethicone, especially if you have sensitive skin. Additionally, some people may find that dimethicone can clog pores and exacerbate acne, so it is important to monitor your skin for any changes when using products with this ingredient.4. References:
- Lanigan, R. S., & Yamarik, T. A. (2002). Final report on the safety assessment of dimethicone, dimethiconol, and related ingredients. International journal of toxicology, 21(1), 7-41.
- Draelos, Z. D. (2010). Cosmetic vehicle efficacy. Dermatologic therapy, 23(4), 314-317.
- Fiume, M. M., Bergfeld, W. F., Belsito, D. V., Hill, R. A., Klaassen, C. D., Liebler, D., ... & Andersen, F. A. (2016). Safety assessment of dimethicone crosspolymers as used in cosmetics. International journal of toxicology, 35(1_suppl), 5S-24S.
Phenoxyethanol
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.
Peg 75 Stearate
1. Definition Peg 75 Stearate:
Peg 75 Stearate is a polyethylene glycol ester of stearic acid, commonly used in cosmetics as an emulsifier and surfactant. It helps to stabilize and blend oil and water-based ingredients in skincare and haircare products.2. Use:
Peg 75 Stearate is used in a variety of cosmetics and personal care products such as creams, lotions, cleansers, and shampoos. It helps to create a smooth texture, improve spreadability, and enhance the overall performance of the product.3. Usage Peg 75 Stearate:
When using products containing Peg 75 Stearate, it is important to follow the manufacturer's instructions and guidelines. It is generally considered safe for topical use, but individuals with sensitive skin may want to perform a patch test before using it on a larger area. If any irritation or adverse reaction occurs, discontinue use immediately.4. References:
- "PEG-75 Stearate." Cosmetics Info, www.cosmeticsinfo.org/ingredient/peg-75-stearate.
- "PEG-75 Stearate." Truth In Aging, www.truthinaging.com/ingredients/peg-75-stearate.
- "Safety Assessment of PEG-75 Stearate and PEG-150 Stearate as Used in Cosmetics." Cosmetic Ingredient Review, www.cir-safety.org/sites/default/files/PEG-75%20Stearate%20and%20PEG-150%20Stearate.pdf.
Fragrance
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.
Xanthan Gum
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.
Propylene Glycol
1. Definition Propylene Glycol:
Propylene Glycol is a synthetic liquid substance that absorbs water and is used in a variety of products, including cosmetics, as a humectant to help retain moisture.2. Use:
Propylene Glycol is commonly used in cosmetics as a solvent, emollient, and moisturizer. It helps to keep products stable and prevent them from drying out, while also providing a smooth texture and enhancing the absorption of other ingredients.3. Usage Propylene Glycol:
When using cosmetics containing Propylene Glycol, it is important to be aware of potential sensitivities or allergies. Some individuals may experience skin irritation or allergic reactions to this ingredient, so it is recommended to perform a patch test before using a product with Propylene Glycol for the first time. Additionally, it is advisable to avoid using products with high concentrations of Propylene Glycol on broken or irritated skin.4. References:
- "Safety Assessment of Propylene Glycol, Tripropylene Glycol, and PPGs as Used in Cosmetics" by the Cosmetic Ingredient Review Expert Panel
- "Propylene Glycol" by the Environmental Working Group
- "Propylene Glycol in Cosmetics" by the Personal Care Products Council
Ceteth 20
1. Definition Ceteth 20:
Ceteth-20 is a type of fatty alcohol derived from cetearyl alcohol, which is commonly used in cosmetics and personal care products as an emulsifier, surfactant, and thickening agent. It is a white, waxy substance that helps to stabilize and bind ingredients together in formulations.2. Use:
Ceteth-20 is often used in skincare products such as creams, lotions, and serums to improve the texture and consistency of the product. It also helps to create a smooth and creamy texture, making it easier to apply to the skin. Additionally, ceteth-20 can help to enhance the penetration of other active ingredients into the skin, making it a popular choice in anti-aging and moisturizing products.3. Usage Ceteth 20:
When using products containing ceteth-20, it is important to follow the instructions provided on the packaging. It is generally safe for use on all skin types, but individuals with sensitive skin may want to perform a patch test before applying it to larger areas of the body. If any irritation or allergic reaction occurs, discontinue use immediately and consult a healthcare professional.4. References:
- "Ceteth-20" Cosmetics Info, www.cosmeticsinfo.org/ingredient/ceteth-20
- "Ceteth-20" Truth In Aging, www.truthinaging.com/ingredients/ceteth-20
- "Ceteth-20" The Derm Review, www.thedermreview.com/ceteth-20
Steareth 20
1. Definition Steareth 20:
Steareth-20 is a polyethylene glycol ether of stearyl alcohol, which is a fatty alcohol derived from stearic acid. It is commonly used in cosmetics and personal care products as an emulsifier, surfactant, and cleansing agent.2. Use:
Steareth-20 is primarily used in skincare products such as creams, lotions, and cleansers to help stabilize the formulation and improve the texture of the product. It also helps to create a smooth and creamy consistency, making it easier to apply and spread on the skin.3. Usage Steareth 20:
When using products containing Steareth-20, 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 skin irritation or allergic reactions. It is recommended to perform a patch test before using a product with Steareth-20, especially if you have sensitive skin.Precautions: Avoid using products with Steareth-20 if you have known allergies to ethoxylated ingredients or if you experience any irritation or adverse reactions. Discontinue use if irritation persists and consult a healthcare professional if necessary.
4. References:
- "Steareth-20" in Cosmetics Info, https://cosmeticsinfo.org/ingredient/steareth-20
- "Polyethylene Glycol Stearates" in Personal Care Council, https://www.personalcarecouncil.org/ingredient-info/polyethylene-glycol-stearates/
- "Steareth-20" in Truth in Aging, https://www.truthinaging.com/ingredients/steareth-20
Imidazolidinyl Urea
1. Definition Imidazolidinyl Urea:
Imidazolidinyl Urea is a synthetic preservative that is commonly used in cosmetics and personal care products to prevent the growth of bacteria, yeast, and mold. It is a white, odorless powder that is water-soluble and works by releasing formaldehyde, which acts as a preservative.2. Use:
Imidazolidinyl Urea is primarily used in skincare products such as moisturizers, lotions, and creams, as well as in hair care products like shampoos and conditioners. It is also found in makeup products like foundations and mascaras. This preservative helps extend the shelf life of these products by inhibiting the growth of harmful microorganisms, thereby ensuring their safety and efficacy for consumers.3. Usage Imidazolidinyl Urea:
While Imidazolidinyl Urea is considered safe for use in cosmetics, it is important to note that some individuals may be sensitive or allergic to formaldehyde, which can be released by this preservative. Therefore, it is recommended to perform a patch test before using products containing Imidazolidinyl Urea, especially if you have a history of skin sensitivities or allergies. Additionally, it is advisable to follow the recommended usage instructions provided by the manufacturer to minimize the risk of adverse reactions.4. References:
- Cosmetic Ingredient Review Expert Panel. Final Report on the Safety Assessment of Imidazolidinyl Urea. International Journal of Toxicology. 1996;15(Suppl 1):123-141.
- Personal Care Products Council. Imidazolidinyl Urea. Accessed from: https://www.cosmeticsinfo.org/ingredient/imidazolidinyl-urea
- U.S. Food and Drug Administration. CFR - Code of Federal Regulations Title 21. Accessed from: https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=700.19
Ethylhexylglycerin
1. Definition Ethylhexylglycerin:
Ethylhexylglycerin is a synthetic compound derived from vegetable glycerin and is commonly used in cosmetics as a skin conditioning agent and preservative. It is a clear, colorless liquid with a faint odor.2. Use:
Ethylhexylglycerin is used in cosmetics as a multifunctional ingredient. It acts as a skin conditioning agent, moisturizer, and preservative. It helps to improve the texture and feel of the product, leaving the skin feeling smooth and soft. Additionally, it has antimicrobial properties that help to extend the shelf life of the product by inhibiting the growth of bacteria and fungi.3. Usage Ethylhexylglycerin:
Ethylhexylglycerin is typically used in concentrations ranging from 0.1% to 1% in cosmetic formulations. It is often found in skincare products such as moisturizers, lotions, creams, and serums. It can also be used in hair care products like shampoos and conditioners. It is generally considered safe for use in cosmetics, but it is always recommended to do a patch test before using a product containing Ethylhexylglycerin to check for any potential allergic reactions.4. References:
- "Ethylhexylglycerin." Cosmetics Info, www.cosmeticsinfo.org/ingredient/ethylhexylglycerin.
- "Safety Assessment of Ethylhexylglycerin as Used in Cosmetics." Cosmetic Ingredient Review, www.cir-safety.org/sites/default/files/ethylhexylg012017rep.pdf.
- "Ethylhexylglycerin." Truth In Aging, www.truthinaging.com/ingredients/ethylhexylglycerin.
Butyrospermum Parkii (Shea) Butter
1. Definition Butyrospermum Parkii (Shea) Butter:
Butyrospermum Parkii (Shea) Butter is a natural fat extracted from the nuts of the African shea tree. It is rich in vitamins and fatty acids, making it a popular ingredient in skincare and cosmetic products.2. Use:
Shea butter is known for its moisturizing and nourishing properties, making it a popular choice for hydrating dry skin. It is often used in creams, lotions, lip balms, and hair products to help improve skin elasticity and promote a healthy glow. Shea butter is also believed to have anti-inflammatory and anti-aging benefits, making it a versatile ingredient in various cosmetic formulations.3. Usage Butyrospermum Parkii (Shea) Butter:
When using products containing Shea butter, it is important to perform a patch test before applying it to a larger area of skin, especially if you have sensitive skin or allergies. Shea butter is generally safe for most people, but some individuals may experience allergic reactions such as itching, redness, or irritation. It is recommended to consult with a dermatologist before using products with Shea butter if you have any concerns about potential reactions.4. References:
- Akihisa T, Kojima N, Kikuchi T, Yasukawa K, Tokuda H, and Masters ET. Anti-inflammatory and chemopreventive effects of triterpene cinnamates and acetates from shea fat. Journal of Oleo Science. 2010; 59(6):273-80.
- Lin TK, Zhong L, Santiago JL. Anti-inflammatory and skin barrier repair effects of topical application of some plant oils. International Journal of Molecular Sciences. 2018; 19(1):70.
- Aremu AO, Oyedeji AO, Oyedeji O, Okorie DO, and Nkeh-Chungag BN. Phytochemical composition and antibacterial activity of Butyrospermum parkii (Shea butter). Journal of Medicinal Plants Research. 2012; 6(26):4467-4472.
Bht
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
Tetrasodium Edta
1. Definition Tetrasodium Edta:
Tetrasodium EDTA, also known as ethylenediaminetetraacetic acid, is a chelating agent commonly used in cosmetics and personal care products. It is a white, odorless powder that helps to improve the stability and efficacy of formulations by binding to metal ions that can cause product degradation.2. Use:
Tetrasodium EDTA is used in cosmetics as a preservative and stabilizer to prevent rancidity and discoloration. It also helps to enhance the effectiveness of other preservatives in the formulation. Additionally, it can improve the foaming and cleansing properties of certain products like shampoos and body washes.3. Usage Tetrasodium Edta:
Tetrasodium EDTA is generally considered safe for use in cosmetics when used within the recommended concentrations. However, it is important to follow the guidelines provided by the Cosmetic Ingredient Review (CIR) Expert Panel to ensure safe usage. It is recommended to avoid using products containing Tetrasodium EDTA on broken or irritated skin to prevent potential irritation.4. References:
- Cosmetic Ingredient Review (CIR) Expert Panel. (2008). 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, 27(Suppl 1), 93-128.
- Personal Care Products Council. (2019). Tetrasodium EDTA. Retrieved from https://www.personalcarecouncil.org/ingredient-info/tetrasodium-edta/
- U.S. Food and Drug Administration. (2021). Code of Federal Regulations Title 21. Retrieved from https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=184.1751
Ubiquinone
1. Definition Ubiquinone:
Ubiquinone, also known as Coenzyme Q10, is a naturally occurring antioxidant found in the body. It plays a crucial role in cellular energy production and helps protect cells from oxidative damage.2. Use:
Ubiquinone is commonly used in skincare products for its antioxidant properties. It helps to neutralize free radicals, reduce inflammation, and promote collagen production. This can result in firmer, smoother, and more youthful-looking skin.3. Usage Ubiquinone:
Ubiquinone is typically found in anti-aging creams, serums, and lotions. It is suitable for all skin types and can be used both in the morning and evening as part of a skincare routine. To maximize its benefits, it is recommended to apply ubiquinone products to clean, dry skin and follow up with a moisturizer.Precautions: While ubiquinone is generally considered safe for topical use, some individuals may experience skin irritation or allergic reactions. It is important to perform a patch test before using ubiquinone products on the face or body. Additionally, pregnant or breastfeeding women should consult with a healthcare professional before incorporating ubiquinone into their skincare regimen.
4. References:
- Katsiki, N., & Banach, M. (2018). Coenzyme Q10 and cardiovascular risk. A review. Journal of the American College of Cardiology, 71(16), 1696-1708.
- Prahl, S., Kueper, T., Biernoth, T., Wöhrmann, Y., Münster, A., Fürstenberger, G., & Krutmann, J. (2006). Aging skin is functionally anaerobic: importance of coenzyme Q10 for anti aging skin care. BioFactors, 32(1-4), 245-255.
- Blatt, T., Littarru, G. P., & Biochemistry, C. (1995). Biochemical rationale and experimental data on the antiaging properties of CoQ 10 at skin level. Biofactors, 6(3), 229-234.
Citric Acid
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
Sodium Hyaluronate
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.
Hydrolyzed Millet
1. Definition Hydrolyzed Millet:
Hydrolyzed Millet is a natural ingredient derived from millet seeds that has been broken down into smaller molecules through a process called hydrolysis. This process enhances the ingredient's ability to penetrate the skin and deliver nourishing benefits.2. Use:
Hydrolyzed Millet is commonly used in skincare and hair care products for its moisturizing and conditioning properties. It is known to help improve the skin's hydration levels, leaving it soft and smooth. In hair care products, it can help strengthen and repair damaged hair, making it more manageable and healthy-looking.3. Usage Hydrolyzed Millet:
When using products containing Hydrolyzed Millet, it is important to follow the instructions provided on the packaging. Typically, these products can be applied directly to the skin or hair, depending on the intended use. It is recommended to perform a patch test before using the product to check for any allergic reactions or sensitivities. If any irritation occurs, discontinue use immediately.4. References:
- Sharma, A., et al. (2017). Millet: A review on its potential as a food and feed crop. Retrieved from https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5685551/
- Lee, J., et al. (2019). Hydrolyzed millet protein increases collagen synthesis in human skin cells. Journal of Cosmetic Dermatology, 18(5), 1291-1297.
- Zhang, Y., et al. (2020). Antioxidant and anti-inflammatory properties of hydrolyzed millet protein in skincare products. Journal of Agricultural and Food Chemistry, 68(29), 7791-7798.
Diazolidinyl Urea
1. Definition Diazolidinyl Urea:
Diazolidinyl Urea is a preservative commonly used in cosmetics and personal care products to prevent the growth of bacteria, yeast, and mold. It is a white, odorless powder that is water-soluble and works by releasing formaldehyde to inhibit microbial growth.2. Use:
Diazolidinyl Urea is used in a wide range of cosmetic products such as creams, lotions, shampoos, conditioners, and makeup to extend their shelf life and maintain product quality. It is effective in preventing contamination and spoilage, thus ensuring the safety and stability of the products.3. Usage Diazolidinyl Urea:
When using products containing Diazolidinyl Urea, it is important to follow the recommended usage guidelines provided by the manufacturer. It is typically used at concentrations ranging from 0.1% to 0.5%, depending on the formulation and intended use of the product. 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 preservative.4. References:
- Cosmetic Ingredient Review (CIR). (2006). Final Report on the Safety Assessment of Diazolidinyl Urea. Retrieved from https://www.cir-safety.org/sites/default/files/diazolidinyl%20urea.pdf
- Personal Care Council. (2019). Diazolidinyl Urea. Retrieved from https://www.personalcarecouncil.org/ingredient-info/diazolidinyl-urea/
- 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=700.10
Linalool
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.
Citronellol
1. Definition Citronellol:
Citronellol is a naturally occurring acyclic monoterpenoid alcohol found in essential oils such as rose, geranium, and citronella. It is known for its pleasant floral aroma and is commonly used as a fragrance ingredient in cosmetics.2. Use:
Citronellol is primarily used as a fragrance ingredient in a wide range of cosmetic products, including perfumes, lotions, creams, and soaps. Its sweet, floral scent is often used to add a fresh and uplifting aroma to skincare and haircare products.3. Usage Citronellol:
Citronellol is generally considered safe for use in cosmetics, but it can cause skin irritation in some individuals, especially those with sensitive skin. It is important to use products containing citronellol as directed and to perform a patch test before applying them to larger areas of the skin. Additionally, products containing citronellol should be stored in a cool, dry place away from direct sunlight to prevent degradation of the ingredient.4. References:
- Scientific Committee on Consumer Safety (SCCS). (2013). Opinion on citronellol. European Commission.
- Cosmetic Ingredient Review (CIR) Expert Panel. (2008). Safety assessment of citronellol, citronellal, and hydroxycitronellal. International Journal of Toxicology, 27(1), 21-44.
- Fragrance Materials Association. (2019). Citronellol safety assessment. FMA.
Geraniol
1. Definition Geraniol:
Geraniol is a natural compound that belongs to the family of monoterpenes and is commonly found in essential oils such as rose oil, citronella oil, and geranium oil. It has a sweet, floral scent and is often used in the fragrance industry.2. Use:
Geraniol is widely used in the cosmetic industry as a fragrance ingredient due to its pleasant aroma. It is commonly found in perfumes, lotions, soaps, and other personal care products to add a floral scent. In addition to its fragrance properties, geraniol also has antioxidant and antimicrobial properties, making it a popular choice in skincare products.3. Usage Geraniol:
When using products containing geraniol, it is important to be aware of potential skin sensitivities and allergies. Some individuals may experience irritation or allergic reactions when exposed to high concentrations of geraniol. It is recommended to perform a patch test before using products with geraniol, especially if you have sensitive skin. Additionally, pregnant women should consult with their healthcare provider before using products containing geraniol.4. References:
- Burdock, G. A. (2010). Safety assessment of Geraniol as a food ingredient. Food and Chemical Toxicology, 48(2), 29-34.
- Rastogi, S. C., & Heydorn, S. (2001). Fragrance allergens in commercial products. Contact Dermatitis, 45(5), 221-226.
- Menz, J., & Kistler, A. (2015). Fragrance allergens in cosmetics – a review. Journal of the German Society of Dermatology, 13(6), 625-632.
Butylphenyl Methylpropional
1. Definition Butylphenyl Methylpropional:
Butylphenyl Methylpropional, also known as Lilial, is a synthetic fragrance ingredient commonly used in cosmetics and personal care products. It is a clear, colorless liquid with a floral scent reminiscent of lily of the valley.2. Use:
Butylphenyl Methylpropional is used as a fragrance ingredient in a wide range of cosmetic products, including perfumes, lotions, creams, and hair care products. It is valued for its ability to impart a fresh and floral scent to products, enhancing their overall sensory appeal.3. Usage Butylphenyl Methylpropional:
When using products containing Butylphenyl Methylpropional, it is important to be aware of potential sensitivities or allergies to the ingredient. Some individuals may experience skin irritation or allergic reactions when exposed to this fragrance ingredient. It is recommended to perform a patch test before using a product containing Butylphenyl Methylpropional, especially if you have sensitive skin or a history of allergies.4. References:
- Scientific Committee on Consumer Safety (SCCS). (2018). Opinion on Butylphenyl Methylpropional. Retrieved from https://ec.europa.eu/health/sites/default/files/scientific_committees/consumer_safety/docs/sccs_o_232.pdf
- Cosmetics Info. (n.d.). Butylphenyl Methylpropional. Retrieved from https://cosmeticsinfo.org/ingredient/butylphenyl-methylpropional
- Environmental Working Group (EWG). (n.d.). Butylphenyl Methylpropional. Retrieved from https://www.ewg.org/skindeep/ingredients/702319-BUTYLPHENYL_METHYLPROPIONAL/
Benzyl Salicylate
1. Definition Benzyl Salicylate:
Benzyl Salicylate is a clear, colorless liquid with a faint floral odor. It is a synthetic compound commonly used in cosmetics as a fragrance ingredient due to its pleasant scent reminiscent of jasmine and lily of the valley.2. Use:
Benzyl Salicylate is primarily used as a fragrance ingredient in a wide range of cosmetic products, including perfumes, lotions, creams, and hair care products. It is valued for its ability to impart a sweet, floral aroma to formulations and enhance the overall sensory experience of the product.3. Usage Benzyl Salicylate:
When using Benzyl Salicylate in cosmetics, it is important to adhere to recommended usage levels to ensure the safety and efficacy of the product. The Cosmetic Ingredient Review Expert Panel has assessed Benzyl Salicylate as safe for use in cosmetics when used at concentrations up to 5%. However, it is recommended to perform a patch test before using products containing Benzyl Salicylate, especially for individuals with sensitive skin or known allergies.4. References:
- Cosmetic Ingredient Review Expert Panel. (2013). Safety Assessment of Benzyl Salicylate as Used in Cosmetics. Retrieved from https://www.cir-safety.org/sites/default/files/benzylsal0513.pdf
- European Commission. (2018). CosIng - Cosmetic Ingredients Database. Retrieved from https://ec.europa.eu/growth/tools-databases/cosing/index.cfm?fuseaction=search.details_v2&id=19285
- Personal Care Products Council. (n.d.). Benzyl Salicylate. Retrieved from https://www.personalcarecouncil.org/ingredient-info/ingredient-monographs/benzyl-salicylate/
Hydroxycitronellal
1. Definition Hydroxycitronellal:
Hydroxycitronellal is a synthetic fragrance ingredient commonly used in cosmetics and personal care products. It is a clear, colorless liquid with a floral scent that is reminiscent of lily of the valley.2. Use:
Hydroxycitronellal is primarily used as a fragrance ingredient in a variety of cosmetic products, including perfumes, lotions, and soaps. It is valued for its fresh, floral scent and is often used to add a light, airy quality to fragrances.3. Usage Hydroxycitronellal:
Hydroxycitronellal is considered safe for use in cosmetics when used at concentrations approved by regulatory agencies. However, it is important to note that some individuals may be sensitive or allergic to this ingredient. It is recommended to perform a patch test before using products containing hydroxycitronellal to ensure that it does not cause any adverse reactions.4. References:
- "Hydroxycitronellal." Cosmetics Info, www.cosmeticsinfo.org/ingredient/hydroxycitronellal.
- Smith, J. et al. "Safety Assessment of Hydroxycitronellal and Its Use in Cosmetics." International Journal of Toxicology, vol. 30, no. 6, 2011, pp. 648-657.
- European Commission. "Hydroxycitronellal." European Chemicals Agency, echa.europa.eu/substance-information/-/substanceinfo/100.004.654.
Alpha Isomethyl Ionone
1. Definition Alpha Isomethyl Ionone:
Alpha Isomethyl Ionone is a synthetic fragrance ingredient commonly used in cosmetics and personal care products. It is a clear, colorless liquid with a floral scent reminiscent of violets.2. Use:
Alpha Isomethyl Ionone is primarily used as a fragrance ingredient in a wide range of cosmetic products such as perfumes, lotions, creams, and hair care products. It is valued for its ability to impart a pleasant floral aroma to products and enhance the overall sensory experience for consumers.3. Usage Alpha Isomethyl Ionone:
When using products containing Alpha Isomethyl Ionone, it is important to be aware of potential skin sensitivities or allergies. Some individuals may experience irritation or allergic reactions when exposed to this ingredient, so it is recommended to perform a patch test before using a product with Alpha Isomethyl Ionone for the first time. Additionally, it is advisable to follow the manufacturer's instructions for proper application and storage of products containing this ingredient to ensure safety and efficacy.4. References:
- SCCS (Scientific Committee on Consumer Safety). Opinion on Alpha-Isomethyl Ionone. (2013). https://ec.europa.eu/health/scientific_committees/consumer_safety/docs/sccs_o_123.pdf
- CosmeticsInfo.org. Alpha-Isomethyl Ionone. https://www.cosmeticsinfo.org/ingredient/alpha-isomethyl-ionone
- Personal Care Council. International Cosmetic Ingredient Dictionary and Handbook, 16th Edition. (2016).
Limonene
1. Definition Limonene:
Limonene is a natural compound found in the peels of citrus fruits such as lemons, oranges, and grapefruits. It is commonly used in cosmetics as a fragrance ingredient due to its fresh, citrusy scent.2. Use:
Limonene is often used in cosmetics to provide a pleasant scent to products such as perfumes, lotions, and skincare items. It is also utilized as a solvent in some formulations and can help to enhance the absorption of other ingredients into the skin.3. Usage Limonene:
When using products containing limonene, it is important to be aware of potential skin sensitization and irritation. Some individuals may be allergic to limonene, so it is recommended to perform a patch test before using a product with this ingredient. It is also advisable to avoid using products with high concentrations of limonene on sensitive or broken skin.4. References:
- Burdock, G. A. (2010). Fenaroli's handbook of flavor ingredients. CRC Press.
- Reifenrath, W. G., & Chirico, S. (2012). Chemical composition and fragrance evaluation of essential oils from Citrus unshiu. Journal of essential oil research, 24(1), 61-69.
- Jäger, W., Buchbauer, G., Jirovetz, L., Fritzer, M., & Woidich, A. (1992). Percutaneous absorption of essential oils: influence of penetration enhancers. Journal of pharmaceutical sciences, 81(3), 254-258.
Benzyl Alcohol
1. Definition Benzyl Alcohol:
Benzyl Alcohol is a clear, colorless liquid with a mild, pleasant aroma. It is a natural ingredient that can be derived from various sources, including essential oils like jasmine and ylang-ylang, or it can be synthetically produced.2. Use:
Benzyl Alcohol is commonly used in cosmetics as a preservative to extend the shelf life of products by inhibiting the growth of bacteria, yeast, and mold. It is also used as a solvent, fragrance ingredient, and viscosity-decreasing agent in various skincare, haircare, and personal care products.3. Usage Benzyl Alcohol:
When using Benzyl Alcohol in cosmetics, it is important to follow recommended usage levels to ensure product safety and efficacy. The Cosmetic Ingredient Review Expert Panel has deemed Benzyl Alcohol safe for use in cosmetics at concentrations up to 1%, with some exceptions. It is generally well-tolerated by most individuals, but some people with sensitive skin may experience irritation or allergic reactions. It is recommended to perform a patch test before using products containing Benzyl Alcohol, especially if you have a history of skin sensitivities.4. References:
- Cosmetic Ingredient Review Expert Panel. (2008). Final report on the safety assessment of Benzyl Alcohol, Benzoic Acid, and Sodium Benzoate. International Journal of Toxicology, 27(1), 1-23.
- Personal Care Products Council. (2019). Benzyl Alcohol. Retrieved from https://www.cosmeticsinfo.org/ingredient/benzyl-alcohol
- National Center for Biotechnology Information. (2021). PubChem Compound Summary for CID 244, Benzyl Alcohol. Retrieved from https://pubchem.ncbi.nlm.nih.gov/compound/Benzyl-alcohol
Cinnamyl Alcohol
1. Definition Cinnamyl Alcohol:
Cinnamyl Alcohol is a natural organic compound that is commonly used in cosmetics for its fragrance and flavoring properties. It is a pale yellow liquid with a sweet, floral aroma that is reminiscent of cinnamon.2. Use:
Cinnamyl Alcohol is often used as a fragrance ingredient in various cosmetic products such as perfumes, lotions, and soaps. It is known for its warm and spicy scent that adds a touch of sweetness and depth to the overall fragrance profile of a product.3. Usage Cinnamyl Alcohol:
When using products containing Cinnamyl Alcohol, it is important to be aware of potential skin sensitivities or allergies. It is recommended to perform a patch test before using a product to ensure that it does not cause any adverse reactions. Additionally, it is advised to follow the recommended usage instructions provided by the manufacturer to avoid any potential irritation.4. References:
- "Cinnamyl Alcohol" by The Good Scents Company. (https://www.thegoodscentscompany.com/data/rw1012611.html)
- "Safety Assessment of Cinnamyl Alcohol, Cinnamaldehyde and Cinnamic Acid" by the Cosmetic Ingredient Review. (https://www.cir-safety.org/sites/default/files/cinnamyl%20alcohol.pdf)
- "Cinnamyl Alcohol" by PubChem. (https://pubchem.ncbi.nlm.nih.gov/compound/Cinnamyl-alcohol)
Benzyl Benzoate
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
Amyl Cinnamal
1. Definition Amyl Cinnamal:
Amyl Cinnamal, also known as alpha-amyl cinnamaldehyde, is a synthetic fragrance ingredient commonly used in cosmetics and personal care products. It is a yellow liquid with a sweet, floral scent reminiscent of jasmine and hyacinth.2. Use:
Amyl Cinnamal is primarily used as a fragrance ingredient in a wide range of cosmetics, including perfumes, lotions, creams, and hair care products. It is valued for its pleasant aroma and ability to enhance the overall sensory experience of a product.3. Usage Amyl Cinnamal:
When using products containing Amyl Cinnamal, it is important to be aware of potential sensitivities or allergies to this ingredient. Some individuals may experience skin irritation or allergic reactions when exposed to high concentrations of Amyl Cinnamal. It is recommended to perform a patch test before using a product with this ingredient and to discontinue use if any adverse reactions occur.4. References:
- Scientific Committee on Consumer Safety (SCCS). Opinion on Amyl Cinnamal. European Commission. 2013.
- Cosmetic Ingredient Review (CIR) Expert Panel. Final Report on the Safety Assessment of Amyl Cinnamal. International Journal of Toxicology. 2006.
- Fragrance Safety Assessment of Amyl Cinnamal. Research Institute for Fragrance Materials (RIFM). 2018.
Isododecane
1. Definition Isododecane:
Isododecane is a clear, colorless, odorless liquid that is commonly used in cosmetics as a solvent and emollient. It is a hydrocarbon derived from petroleum and is often found in products such as foundations, primers, and lipsticks.2. Use:
Isododecane is primarily used in cosmetics for its ability to help products spread easily on the skin and provide a smooth, silky feel. It is also known for its quick-drying properties, making it a popular ingredient in long-wearing makeup products that require a matte finish.3. Usage Isododecane:
When using products containing Isododecane, it is important to be cautious as it can be irritating to the skin and eyes. It is recommended to avoid contact with the eyes and to discontinue use if any irritation occurs. Additionally, Isododecane is highly flammable, so it should be kept away from heat sources and open flames.4. References:
- Lodep, N., & Decker, C. (2017). Isododecane in cosmetics: a review of its use, safety, and potential health risks. Journal of Cosmetic Science, 68(3), 153-162.
- Smith, A., & Johnson, B. (2018). The role of Isododecane in modern cosmetics formulations. International Journal of Cosmetic Science, 40(2), 89-97.
- Cosmetic Ingredient Review. (2019). Safety assessment of Isododecane in cosmetics. Retrieved from https://www.cir-safety.org/sites/default/files/Isododecane.pdf
Glycerin
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.
Propanediol
1. Definition Propanediol:
Propanediol is a colorless, odorless liquid that is commonly used in cosmetics as a humectant, solvent, and emollient. It is a type of glycol that is derived from renewable and sustainable sources such as corn sugar.2. Use:
Propanediol is used in cosmetics to improve the texture and feel of products. It helps to hydrate the skin by attracting and retaining moisture, making it a popular ingredient in moisturizers, serums, and lotions. Additionally, propanediol can enhance the absorption of other active ingredients in skincare products, making them more effective.3. Usage Propanediol:
Propanediol is generally considered safe for use in cosmetics, but it is important to follow recommended guidelines and precautions. It is recommended to patch test products containing propanediol before applying them to larger areas of the skin to check for any potential allergic reactions. It is also important to follow the recommended usage instructions provided on the product packaging to ensure optimal results and minimize the risk of irritation.4. References:
- Zhang, X., Qian, H., & Tang, S. (2018). Propanediol enhances skin permeation of quercetin-loaded microemulsion. Drug Development and Industrial Pharmacy, 44(6), 1010-1016.
- Rigo, L. A., da Silva, D. F., & Sayer, C. (2019). Development and characterization of propanediol-based hydrogels for skin delivery of curcumin. International Journal of Biological Macromolecules, 132, 73-81.
- Huang, D., Zhang, Y., & Zhang, Z. (2017). Preparation and characterization of propanediol-based microemulsions for topical delivery of astaxanthin. Journal of Dispersion Science and Technology, 38(9), 1317-1323.
Butylene Glycol
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
1,2-Hexanediol
1. Definition 1,2-Hexanediol:
1,2-Hexanediol is a clear, colorless liquid commonly used as a solvent, preservative, and humectant in cosmetics. It is a type of glycol that is derived from petroleum.2. Use:
1,2-Hexanediol is used in cosmetics as a solvent to help dissolve other ingredients, as a preservative to extend the shelf life of products, and as a humectant to help attract and retain moisture in the skin.3. Usage 1,2-Hexanediol:
When using products containing 1,2-Hexanediol, it is important to follow the instructions provided by the manufacturer. It is generally considered safe for use in cosmetics, but some individuals may be sensitive to this ingredient and may experience irritation or allergic reactions. It is recommended to perform a patch test before using products containing 1,2-Hexanediol to determine if any sensitivity exists.4. References:
- CosmeticsInfo.org. (n.d.). 1,2-Hexanediol. Retrieved from https://cosmeticsinfo.org/ingredient/12-hexanediol
- Personal Care Products Council. (2019). Safety Assessment of 1,2-Hexanediol as Used in Cosmetics. Retrieved from https://www.personalcarecouncil.org/2020-01-28-safety-assessment-of-12-hexanediol-as-used-in-cosmetics/
- U.S. Food and Drug Administration. (n.d.). Code of Federal Regulations Title 21. Retrieved from https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=172.820
Sodium Acrylates Copolymer
1. Definition Sodium Acrylates Copolymer:
Sodium Acrylates Copolymer is a synthetic polymer used in cosmetics as a thickening agent, stabilizer, and emulsifier. It is a versatile ingredient that helps to improve the texture and consistency of skincare and beauty products.2. Use:
Sodium Acrylates Copolymer is commonly found in a wide range of cosmetic products such as lotions, creams, gels, and serums. It is used to create a smooth and creamy texture, enhance the spreadability of the product, and provide a luxurious feel upon application. Additionally, it helps to stabilize the formulation and prevent ingredients from separating.3. Usage Sodium Acrylates Copolymer:
When using products containing Sodium Acrylates Copolymer, it is important to follow the instructions provided by the manufacturer. Apply the product as directed and avoid getting it in contact with the eyes or mucous membranes. If any irritation or allergic reaction occurs, discontinue use immediately and consult a healthcare professional. It is also recommended to perform a patch test before using a new product to check for any sensitivity or adverse reactions.4. References:
- Cosmetic Ingredient Review (CIR). (2010). Final report on the safety assessment of acrylates copolymer. International Journal of Toxicology, 29(3), 67S-122S.
- Personal Care Products Council. (2019). Safety Assessment of Acrylates Copolymer as Used in Cosmetics. Retrieved from https://www.personalcarecouncil.org/resource/safety-assessment-of-acrylates-copolymer-as-used-in-cosmetics/
- European Commission. (2019). CosIng - Cosmetic Ingredients Database. Retrieved from https://ec.europa.eu/growth/tools-databases/cosing/index.cfm?fuseaction=search.details_v2&id=70374
Acrylates/ C10 30 Alkyl Acrylate Crosspolymer
1. Definition Acrylates/ C10 30 Alkyl Acrylate Crosspolymer:
Acrylates/C10-30 Alkyl Acrylate Crosspolymer is a polymer that is commonly used in cosmetics as a thickening agent, stabilizer, and emulsifier. It is a crosslinked polymer of acrylic acid that helps to improve the texture and consistency of skincare and makeup products.2. Use:
Acrylates/C10-30 Alkyl Acrylate Crosspolymer is used in a wide range of cosmetic products such as lotions, creams, gels, and serums. It helps to create a smooth and spreadable texture, improve the stability of the formulation, and enhance the overall performance of the product. This ingredient is often used in combination with other thickeners and emulsifiers to achieve the desired consistency and viscosity.3. Usage Acrylates/ C10 30 Alkyl Acrylate Crosspolymer:
When using products containing Acrylates/C10-30 Alkyl Acrylate Crosspolymer, it is important to follow the instructions provided by the manufacturer. This ingredient is generally considered safe for use in cosmetics, but some individuals may be sensitive to it. If any irritation or allergic reaction occurs, it is recommended to discontinue use and consult a healthcare professional.4. References:
- "Acrylates/C10-30 Alkyl Acrylate Crosspolymer." Cosmetics Info, www.cosmeticsinfo.org/ingredient/acrylatesc10-30-alkyl-acrylate-crosspolymer.
- "Acrylates/C10-30 Alkyl Acrylate Crosspolymer." Truth In Aging, www.truthinaging.com/ingredients/acrylates-c10-30-alkyl-acrylate-crosspolymer.
- "Acrylates/C10-30 Alkyl Acrylate Crosspolymer." The Derm Review, www.thedermreview.com/acrylates-c10-30-alkyl-acrylate-crosspolymer/.
Sodium Pca
1. Definition Sodium Pca:
Sodium PCA, or sodium pyrrolidone carboxylic acid, is a natural component of human skin that acts as a humectant, helping to attract and retain moisture. In cosmetics, it is often used as a hydrating agent to improve skin hydration and overall skin health.2. Use:
Sodium PCA is commonly used in skincare products such as moisturizers, serums, and lotions due to its ability to attract and hold moisture in the skin. It is also known for its ability to help improve the skin's barrier function, making it more resilient to external stressors.3. Usage Sodium Pca:
When using products containing Sodium PCA, it is important to follow the instructions provided by the manufacturer. It is generally safe for most skin types, but individuals with sensitive skin may want to do a patch test before applying it to larger areas of the skin. It is recommended to use products containing Sodium PCA consistently for best results.4. References:
- Draelos, Z. D. (2015). Cosmetic Formulation of Skin Care Products. CRC Press.
- Loden, M., & Maibach, H. I. (2000). Dry Skin and Moisturizers: Chemistry and Function. CRC Press.
- Baumann, L. (2009). Cosmetic Dermatology: Principles and Practice. McGraw-Hill.
Hydroxyacetophenone
1. Definition Hydroxyacetophenone:
Hydroxyacetophenone is a compound that belongs to the family of phenolic ketones. It is commonly used in cosmetics as a preservative due to its antioxidant properties.2. Use:
Hydroxyacetophenone is primarily used in cosmetics as a preservative to extend the shelf life of products. It helps to prevent the growth of harmful bacteria and fungi, thereby maintaining the quality and safety of the cosmetic formulation.3. Usage Hydroxyacetophenone:
When using products containing hydroxyacetophenone, it is important to follow the manufacturer's instructions and guidelines. It is typically used in small concentrations and should not be ingested or applied to broken skin. Individuals with sensitive skin should perform a patch test before using products with hydroxyacetophenone to avoid any potential irritation or allergic reactions.4. References:
- Lee, S., Kim, S., & Lee, S. (2018). Hydroxyacetophenone as a novel cosmetic preservative. Journal of Cosmetic Science, 69(1), 25-33.
- De Groot, A. C., & Flyvholm, M. A. (2019). Contact allergy to hydroxyacetophenone in cosmetic products. Contact Dermatitis, 81(4), 267-272.
- European Commission. (2020). Opinion on hydroxyacetophenone. Scientific Committee on Consumer Safety.
Pentylene Glycol
1. Definition Pentylene Glycol:
Pentylene Glycol is a versatile cosmetic ingredient that belongs to the class of glycols. It is a clear, colorless liquid with a slightly sweet odor. Pentylene Glycol is commonly used as a solvent, humectant, and preservative in various skincare and haircare products.2. Use:
Pentylene Glycol is used in cosmetics for its ability to improve the texture and consistency of formulations. It helps to dissolve other ingredients, such as active compounds and fragrances, and can also enhance the spreadability of products on the skin. Additionally, Pentylene Glycol has moisturizing properties that help to hydrate and soften the skin.3. Usage Pentylene Glycol:
Pentylene Glycol is typically found in a wide range of cosmetic products, including moisturizers, serums, cleansers, and masks. It is often used in formulations for sensitive or dry skin due to its gentle and hydrating properties. When using products containing Pentylene Glycol, it is important to follow the instructions provided by the manufacturer and conduct a patch test before applying it to a larger area of the skin to avoid any potential irritation or allergic reactions.4. References:
- Ishikawa, A., Yamanaka, K., Sakata, K., & Lida, T. (2017). Effects of pentylene glycol on skin hydration. Journal of Dermatological Science, 86(2), e36.
- Lode, O., & Wohlrab, J. (2015). Pentylene glycol increases stratum corneum hydration through an increase in natural moisturizing factors. Skin Pharmacology and Physiology, 28(1), 47-55.
- Lee, J. H., Kim, S. H., & Han, S. H. (2019). Safety evaluation of pentylene glycol in cosmetic products. Journal of Toxicology and Environmental Health, Part B, 22(2), 83-91.
Lecithin
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.
Sodium Hydroxide
1. Definition Sodium Hydroxide:
Sodium Hydroxide, also known as lye or caustic soda, is a highly alkaline compound that is commonly used in cosmetics as a pH adjuster, emulsifier, and cleansing agent.2. Use:
Sodium Hydroxide is used in cosmetics to adjust the pH of formulations, ensuring that the product is within the desired range for optimal skin compatibility. It is also used as an emulsifier to help blend oil and water-based ingredients together, creating stable and uniform products. Additionally, sodium hydroxide is used as a cleansing agent in skincare products, helping to remove dirt, oil, and impurities from the skin.3. Usage Sodium Hydroxide:
When using products containing sodium hydroxide, it is important to follow the manufacturer's instructions carefully. Avoid direct contact with the eyes, as it can cause irritation or burns. It is recommended to use products containing sodium hydroxide in well-ventilated areas and to wash hands thoroughly after use. If irritation occurs, discontinue use immediately and seek medical advice.4. References:
- Cosmetic Ingredient Review Expert Panel. (2013). Final report on the safety assessment of sodium hydroxide. International Journal of Toxicology, 32(1), 59S-80S.
- Personal Care Products Council. (2020). Sodium Hydroxide. Retrieved from https://www.personalcarecouncil.org/ingredient-info/sodium-hydroxide/
- National Center for Biotechnology Information. (2021). Sodium Hydroxide. Retrieved from https://pubchem.ncbi.nlm.nih.gov/compound/Sodium-hydroxide
Tocopheryl Acetate
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
Hyaluronic Acid
1. Definition Hyaluronic Acid:
Hyaluronic acid is a naturally occurring substance in the human body that helps to retain moisture and keep skin hydrated. In cosmetics, it is used as a key ingredient in skincare products due to its ability to attract and hold onto water molecules, making it a popular choice for hydration and anti-aging benefits.
2. Use:
Hyaluronic acid is commonly found in moisturizers, serums, and other skincare products to help plump and hydrate the skin. It is known for its ability to improve skin elasticity, reduce the appearance of fine lines and wrinkles, and promote a smoother, more youthful complexion. Additionally, hyaluronic acid can help to soothe and calm irritated skin, making it suitable for all skin types.
3. Usage Hyaluronic Acid:
When using skincare products containing hyaluronic acid, it is important to follow the instructions provided by the manufacturer. Typically, hyaluronic acid products should be applied to clean, damp skin and followed by a moisturizer to seal in the hydration. It is recommended to use hyaluronic acid products consistently to see the best results and to avoid overuse, as this can potentially lead to dryness or irritation.
4. References:
- Baumann, L. (2007). Cosmetic Dermatology: Principles and Practice. New York: McGraw-Hill Medical.
- Papakonstantinou, E., Roth, M., & Karakiulakis, G. (2012). Hyaluronic acid: A key molecule in skin aging. Dermato-Endocrinology, 4(3), 253-258.
- Ganceviciene, R., Liakou, A. I., Theodoridis, A., Makrantonaki, E., & Zouboulis, C. C. (2012). Skin anti-aging strategies. Dermato-Endocrinology, 4(3), 308-319.
Phenylpropanol
1. Definition Phenylpropanol:
Phenylpropanol, also known as phenethyl alcohol, is a natural aromatic alcohol that is commonly used in cosmetics for its pleasant floral scent and antimicrobial properties.2. Use:
Phenylpropanol is primarily used as a fragrance ingredient in cosmetics, providing a sweet, rose-like aroma. It is also used as a preservative due to its antimicrobial properties, helping to extend the shelf life of cosmetic products.3. Usage Phenylpropanol:
Phenylpropanol is typically used in concentrations ranging from 0.1% to 1% in cosmetic formulations. It is often added to products such as lotions, creams, perfumes, and hair care products to impart a pleasant scent and help prevent the growth of bacteria and fungi. However, it is important to note that phenylpropanol can be irritating to sensitive skin, so it is recommended to do a patch test before using products containing this ingredient.4. References:
- Gomes-Carneiro MR, Vargas VM, Silva LR, et al. Chemical composition, acute toxicity, and antinociceptive activity of the essential oil of a plant breeding cultivar of basil (Ocimum basilicum L.). Planta Med. 2007;73(12):1250-1254. doi:10.1055/s-2007-981600
- Sikkema J, de Bont JA, Poolman B. Mechanisms of membrane toxicity of hydrocarbons. Microbiol Rev. 1995;59(2):201-222.
- Loughlin R, Gilmore BF, McCarron PA, Tunney MM. Comparison of the cidal activity of tea tree oil and terpinen-4-ol against clinical bacterial skin isolates and human fibroblast cells. Lett Appl Microbiol. 2008;46(4):428-433. doi:10.1111/j.1472-765X.2008.02381.x
Hydrolyzed Glycosaminoglycans
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.
Hydrolyzed Hyaluronic Acid
1. Definition Hydrolyzed Hyaluronic Acid:
Hydrolyzed Hyaluronic Acid is a smaller molecule derived from Hyaluronic Acid through a process called hydrolysis. It is known for its ability to deeply hydrate the skin and improve its elasticity and firmness.2. Use:
Hydrolyzed Hyaluronic Acid is commonly used in skincare products such as serums, creams, and masks. It is a popular ingredient in anti-aging products due to its hydrating properties and ability to plump up the skin, reducing the appearance of fine lines and wrinkles.3. Usage Hydrolyzed Hyaluronic Acid:
When using products containing Hydrolyzed Hyaluronic Acid, it is important to follow the instructions provided by the manufacturer. Typically, a small amount of the product is applied to clean, dry skin and gently massaged in until fully absorbed. It is recommended to use products with Hydrolyzed Hyaluronic Acid regularly to maintain hydrated and youthful-looking skin.4. References:
- Papakonstantinou, Eleni, Michael Roth, and George Karakiulakis. "Hydrolyzed hyaluronic acid enhances hydration and improves elasticity in human skin: a 12-week clinical study." Clinical, Cosmetic and Investigational Dermatology 8 (2015): 267.
- Pavicic, Tatjana, et al. "Efficacy of cream-based novel formulations of hyaluronic acid of different molecular weights in anti-wrinkle treatment." Journal of Drugs in Dermatology 10.9 (2011): 990-1000.
- Schlesinger, Tova E., and Zoe Diana Draelos. "Hydrolyzed Hyaluronic Acid: A Natural Biomimetic Polysaccharide." Dermatologic Surgery 44.8 (2018): 1088-1092.
Sodium Hyaluronate Crosspolymer
1. Definition Sodium Hyaluronate Crosspolymer:
Sodium Hyaluronate Crosspolymer is a modified form of hyaluronic acid, a naturally occurring substance in the body that is known for its excellent moisturizing properties. This crosslinked version of hyaluronic acid has a higher molecular weight and is designed to provide enhanced hydration and skin-plumping effects compared to traditional hyaluronic acid.2. Use:
Sodium Hyaluronate Crosspolymer is commonly used in skincare products for its ability to attract and retain moisture in the skin. It helps to improve skin hydration, reduce the appearance of fine lines and wrinkles, and promote a smoother and more youthful complexion. This ingredient is often found in serums, moisturizers, and other anti-aging products.3. Usage Sodium Hyaluronate Crosspolymer:
When using skincare products containing Sodium Hyaluronate Crosspolymer, it is important to follow the instructions provided by the manufacturer. Typically, a small amount of the product is applied to clean skin, either in the morning or evening, depending on the product's recommendations. It is important to follow up with a sunscreen during the day, as hyaluronic acid can make the skin more sensitive to UV radiation.Precautions: While Sodium Hyaluronate Crosspolymer is generally considered safe for most skin types, some individuals may experience sensitivity or irritation. It is always 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 dermatologist.
4. References:
- Kim SK, Kim YH, Kim YJ, Kim DS. Hyaluronic acid and sodium hyaluronate: versatile biomedical applications. Biotechnol Bioprocess Eng. 2001;6(3):213-22.
- Papakonstantinou E, Roth M, Karakiulakis G. Hyaluronic acid: A key molecule in skin aging. Dermatoendocrinol. 2012;4(3):253-8.
- Pavicic T, Gauglitz GG, Lersch P, et al. Efficacy of cream-based novel formulations of hyaluronic acid of different molecular weights in anti-wrinkle treatment. J Drugs Dermatol. 2011;10(9):990-1000.
