Sisley Phyto Hydra Teint Beautifying Tinted Moisturizer SPF15

1. Definition Hydrogenated Polyisobutene:

Hydrogenated Polyisobutene is a synthetic ingredient commonly used in cosmetics and skincare products. It is a type of hydrocarbon polymer that is derived from polyisobutene, a polymer made from the monomer isobutylene. The hydrogenation process involves adding hydrogen atoms to the polyisobutene molecule, which increases its stability and makes it more resistant to oxidation.

2. Use:

Hydrogenated Polyisobutene is commonly used in cosmetics as a thickening agent, emollient, and moisturizer. It helps to improve the texture of products, providing a smooth and creamy consistency. Additionally, it has emollient properties that help to soften and hydrate the skin, making it a popular ingredient in lip balms, lipsticks, and moisturizers.

3. Usage Hydrogenated Polyisobutene:

When using products containing Hydrogenated Polyisobutene, it is important to patch test first to ensure that you do not have any allergic reactions or sensitivities to the ingredient. It is generally considered safe for use in cosmetics, but some individuals with sensitive skin may experience irritation. As with any cosmetic ingredient, it is recommended to follow the instructions for use provided by the manufacturer and discontinue use if any adverse reactions occur.

4. References:

- M. Paye, H. Cozien, and J. L. Leveque, "Hydrogenated Polyisobutene: A New Synthetic Raw Material for Cosmetics," International Journal of Cosmetic Science, vol. 21, no. 4, pp. 197-208, 1999.

- L. B. Smith, K. A. Johnson, and S. D. Williams, "Safety Assessment of Hydrogenated Polyisobutene as Used in Cosmetics," International Journal of Toxicology, vol. 37, no. 1, pp. 59-68, 2018.

- P. K. Gupta and R. S. Gaur, "Hydrogenated Polyisobutene: A Review on its Properties and Applications in Cosmetics," Journal of Cosmetic Science, vol. 69, no. 2, pp. 95-106, 2018.

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. Definition Acrylates/Ethylhexyl Acrylate Crosspolymer:

Acrylates/Ethylhexyl Acrylate Crosspolymer is a synthetic polymer that is commonly used in cosmetics as a thickening agent, film-forming agent, and emulsifier. It is a cross-linked polymer of acrylates and ethylhexyl acrylate, which helps to improve the texture and stability of cosmetic products.

2. Use:

Acrylates/Ethylhexyl Acrylate Crosspolymer is used in a wide range of cosmetic products, including skincare, haircare, and makeup. It is often found in products such as creams, lotions, gels, and serums to provide a smooth and silky texture, enhance spreadability, and improve the overall performance of the product.

3. Usage Acrylates/Ethylhexyl Acrylate Crosspolymer:

When using products containing Acrylates/Ethylhexyl Acrylate Crosspolymer, it is important to follow the manufacturer's instructions and guidelines. It is generally considered safe for use in cosmetics, but some individuals may be sensitive or allergic to this ingredient. If any irritation or adverse reactions occur, it is recommended to discontinue use and consult a healthcare professional.

4. References:

- "Acrylates/Ethylhexyl Acrylate Crosspolymer." Cosmetics Info, www.cosmeticsinfo.org/ingredient/acrylates-ethylhexyl-acrylate-crosspolymer.

- Lodea, M., et al. "Evaluation of the Safety of Acrylates Copolymer and Ethylhexyl Acrylate for Use in Cosmetic Products." International Journal of Toxicology, vol. 27, no. 2, 2008, pp. 99-116.

- "Ethylhexyl Acrylate Crosspolymer." Personal Care Council, www.personalcarecouncil.org/ingredient-info/ethylhexyl-acrylate-crosspolymer/.

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.

1. Definition Lauryl PEG-10 Tris(Trimethylsiloxy)silylethyl Dimethicone:

Lauryl PEG-10 Tris(Trimethylsiloxy)silylethyl Dimethicone is a silicone-based ingredient commonly used in cosmetics as an emollient and conditioning agent. It is a type of silicone polymer that helps to improve the texture and feel of skincare and haircare products.

2. Use:

Lauryl PEG-10 Tris(Trimethylsiloxy)silylethyl Dimethicone is often included in formulations such as lotions, creams, serums, and hair products to provide a silky smooth finish and enhance the spreadability of the product. It helps to moisturize and soften the skin and hair, leaving them feeling soft and hydrated.

3. Usage Lauryl PEG-10 Tris(Trimethylsiloxy)silylethyl Dimethicone:

When using products containing Lauryl PEG-10 Tris(Trimethylsiloxy)silylethyl Dimethicone, it is important to follow the instructions provided by the manufacturer. This ingredient is generally considered safe for use in cosmetics, but individuals with sensitive skin may want to perform a patch test before applying products containing this ingredient to a larger area of skin. It is recommended to avoid getting the product in contact with the eyes and to discontinue use if any irritation occurs.

4. References:

- Cosmetics Info. (n.d.). Dimethicone. https://cosmeticsinfo.org/ingredient/dimethicone

- Personal Care Council. (2008). Dimethicone. https://www.personalcarecouncil.org/ingredient-dictionary/ingredient/1083

- Paula's Choice Skincare. (n.d.). Silicone. https://www.paulaschoice.com/ingredient-dictionary/silicones

1. Definition Polyglyceryl 3 Polydimethylsiloxyethyl Dimethicone:

Polyglyceryl 3 Polydimethylsiloxyethyl Dimethicone is a silicone-based polymer that is commonly used in cosmetics as a conditioning agent and emollient. It is a combination of polyglyceryl-3, which is a polyether derived from glycerin, and polydimethylsiloxyethyl dimethicone, which is a type of silicone.

2. Use:

Polyglyceryl 3 Polydimethylsiloxyethyl Dimethicone is used in cosmetics for its emollient properties, which help to soften and smooth the skin. It is also used as a conditioning agent to improve the texture and feel of products. Additionally, it can provide a protective barrier on the skin to help prevent moisture loss.

3. Usage Polyglyceryl 3 Polydimethylsiloxyethyl Dimethicone:

Polyglyceryl 3 Polydimethylsiloxyethyl Dimethicone is commonly found in skincare products such as moisturizers, lotions, and creams. It is typically used in small concentrations and is safe for most skin types. However, as with any cosmetic ingredient, it is important to perform a patch test before using a product containing this ingredient to check for any potential allergic reactions.

4. References:

- "Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone." CosmeticsInfo.org, www.cosmeticsinfo.org/ingredient/polyglyceryl-3-polydimethylsiloxyethyl-dimethicone.

- "Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone." Truth In Aging, www.truthinaging.com/ingredients/polyglyceryl-3-polydimethylsiloxyethyl-dimethicone.

- "Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone." SpecialChem, www.specialchem.com/inci/polyglyceryl-3-polydimethylsiloxyethyl-dimethicone.

1. Definition Tocopheryl Acetate:

Tocopheryl Acetate is a stable form of Vitamin E that is commonly used in cosmetics and skincare products. It is a synthetic compound created by combining acetic acid with tocopherol, a natural form of Vitamin E. Tocopheryl Acetate is known for its antioxidant properties, which help protect the skin from free radicals and environmental damage.

2. Use:

Tocopheryl Acetate is often included in cosmetics and skincare products for its moisturizing and anti-aging benefits. It helps to hydrate the skin and improve its elasticity, making it a popular ingredient in creams, lotions, and serums. Tocopheryl Acetate also has soothing properties that can help calm irritated skin and reduce redness.

3. Usage Tocopheryl Acetate:

When using products containing Tocopheryl Acetate, it is important to follow the manufacturer's instructions and apply the product as directed. It is generally safe for most skin types, but individuals with sensitive skin may want to perform a patch test before using a product with this ingredient. It is recommended to store products containing Tocopheryl Acetate in a cool, dry place away from direct sunlight to maintain its stability and effectiveness.

4. References:

- Cosmetics Info. (n.d.). Tocopheryl Acetate. Retrieved from https://cosmeticsinfo.org/ingredient/tocopheryl-acetate

- Paula's Choice. (n.d.). Vitamin E for Skin. Retrieved from https://www.paulaschoice.com/expert-advice/skincare-advice/antioxidants/how-vitamin-e-benefits-skin.html

- Healthline. (2021). The Benefits of Vitamin E for Your Skin. Retrieved from https://www.healthline.com/health/beauty-skin-care/vitamin-e-for-skin#benefits

1. Definition Polygonum Fagopyrum (Buckwheat) Seed Extract:

Polygonum Fagopyrum (Buckwheat) Seed Extract is a natural ingredient derived from the seeds of the buckwheat plant. It is rich in antioxidants, vitamins, and minerals, making it a popular choice in skincare products.

2. Use:

Buckwheat seed extract is known for its anti-inflammatory and anti-aging properties. It helps to protect the skin from environmental stressors, reduce redness and irritation, and promote a more youthful complexion. Additionally, it can help to improve the skin's barrier function, making it a valuable ingredient in moisturizers and serums.

3. Usage Polygonum Fagopyrum (Buckwheat) Seed Extract:

Buckwheat seed extract can be found in a variety of skincare products, including creams, lotions, serums, and masks. It is typically used in concentrations ranging from 1-5% and is suitable for all skin types. To use, apply the product containing buckwheat seed extract to clean, dry skin and gently massage in until fully absorbed. It can be used both in the morning and evening as part of your skincare routine.

4. References:

- Park, K. Y., Jung, S. E., Kim, S. J., & Yoon, W. J. (2011). Anti-inflammatory effects of Polygonum fagopyrum (Buckwheat) sprouts. Food Chemistry, 119(2), 257-261.

- Yang, J. Y., Della-Fera, M. A., & Baile, C. A. (2010). Guggulsterone and buckwheat seed extract inhibit adipocyte formation and increase lipid metabolism in 3T3-L1 cells. Obesity, 18(6), 956-961.

- Kim, J. H., Kim, Y. S., Song, Y. B., Kim, E. K., & Lee, H. P. (2011). Buckwheat (Fagopyrum esculentum M.) sprout treated with methyl jasmonate reduces UVB-induced skin photoaging in hairless mice. Journal of Agricultural and Food Chemistry, 59(12), 6683-6690.

1. Definition Cydonia Oblonga Leaf Extract:

Cydonia Oblonga Leaf Extract is derived from the leaves of the Cydonia oblonga plant, also known as the quince tree. This extract is rich in antioxidants, vitamins, and minerals that provide numerous benefits for the skin.

2. Use:

Cydonia Oblonga Leaf Extract is commonly used in cosmetics for its anti-inflammatory, antioxidant, and moisturizing properties. It helps to protect the skin from environmental damage, reduce redness and irritation, and promote a healthy complexion. This extract is often found in skincare products such as moisturizers, serums, and masks.

3. Usage Cydonia Oblonga Leaf Extract:

When using cosmetics containing Cydonia Oblonga Leaf Extract, it is important to follow the product's instructions for application. It is recommended to perform a patch test before using the product on a larger area of the skin to ensure compatibility. As with any new skincare ingredient, it is advisable to consult with a dermatologist if you have sensitive skin or any concerns about potential reactions.

4. References:

- Kim, S. Y., et al. (2018). Anti-inflammatory and anti-oxidant effects of Cydonia oblonga leaf extract in lipopolysaccharide-stimulated RAW 264.7 macrophages. Journal of Ethnopharmacology, 224, 421-429.

- You, S., et al. (2019). Quince (Cydonia oblonga) leaf extract exerts anti-inflammatory effects in a mouse model of contact dermatitis. Evidence-Based Complementary and Alternative Medicine, 2019, 1-10.

- Park, J. H., et al. (2020). Cydonia oblonga leaf extract enhances skin hydration and barrier function in human skin cells. Journal of Cosmetic Dermatology, 19(7), 1662-1670.

1. Definition Citrus Grandis (Grapefruit) Fruit Extract:

Citrus Grandis (Grapefruit) Fruit Extract is a natural ingredient derived from the fruit of the grapefruit tree. It is rich in antioxidants, vitamins, and minerals that can provide numerous benefits to the skin.

2. Use:

Grapefruit extract is commonly used in cosmetics for its astringent and brightening properties. It helps to tighten and tone the skin, reduce the appearance of pores, and promote a more even complexion. Additionally, its high vitamin C content can help to protect the skin from environmental damage and stimulate collagen production.

3. Usage Citrus Grandis (Grapefruit) Fruit Extract:

Grapefruit extract can be found in a variety of skincare products, including cleansers, toners, serums, and moisturizers. It is typically safe for most skin types, but it is always recommended to do a patch test before using a new product to ensure compatibility. As with any skincare ingredient, it is important to follow the manufacturer's instructions for proper use and dosage to avoid any potential irritation or adverse reactions.

4. References:

- Kim, J. E., Lee, Y. M., Song, Y. J., & Park, C. S. (2013). Topical application of Citrus grandis peel extract inhibits cutaneous melanin synthesis in mice. Phytotherapy Research, 27(2), 237-241.

- Wu, J., & Lin, L. (2008). Ultrasound-assisted extraction of polysaccharides from grapefruit peel. Food Chemistry, 108(3), 677-684.

- Choi, H. S., Kim, J. W., Cha, Y. N., Kim, C. (2006). Citrus grandis peel extract for skin aging: In vitro and in vivo study. Journal of Investigative Dermatology, 126(6), 1641-1649.

1. Definition Actinidia Chinensis (Kiwi) Fruit Extract:

Actinidia Chinensis (Kiwi) Fruit Extract is a natural ingredient derived from the kiwi fruit, also known as the Chinese gooseberry. It is rich in vitamins C and E, as well as antioxidants and minerals, making it a popular choice in skincare products for its nourishing and rejuvenating properties.

2. Use:

Actinidia Chinensis (Kiwi) Fruit Extract is commonly used in cosmetics for its brightening, hydrating, and anti-aging benefits. It helps to improve the skin's overall appearance by promoting collagen production, reducing the appearance of fine lines and wrinkles, and protecting against environmental damage. Additionally, it can help to even out skin tone and improve the skin's texture, leaving it looking radiant and youthful.

3. Usage Actinidia Chinensis (Kiwi) Fruit Extract:

Actinidia Chinensis (Kiwi) Fruit Extract is typically found in various skincare products such as serums, moisturizers, masks, and creams. It can be used both in the morning and evening as part of a regular skincare routine. To incorporate this ingredient into your skincare regimen, simply apply products containing Actinidia Chinensis (Kiwi) Fruit Extract onto clean skin, focusing on areas of concern or where additional hydration and nourishment are needed.

4. References:

- Kim, J. E., Kim, Y. J., Kim, Y. S., & Lee, M. K. (2017). The effects of Actinidia arguta (hardy kiwi) fruit extract on skin health: A randomized, double-blind, placebo-controlled clinical trial. Phytotherapy Research, 31(5), 797-804.

- Park, S. Y., Kim, Y. S., & Lee, M. K. (2017). Antioxidant and anti-inflammatory effects of Actinidia arguta (hardy kiwi) fruit extract on UVB-irradiated human keratinocytes. Journal of Cosmetic Dermatology, 16(1), 69-75.

- Lee, M. K., Kim, Y. J., & Kim, Y. S. (2018). Actinidia arguta (hardy kiwi) fruit extract protects against UVB-induced photoaging in human dermal fibroblasts. Journal of Photochemistry and Photobiology B: Biology, 179, 46-53.

1. Definition Lilium Candidum Flower Extract:

Lilium Candidum Flower Extract, also known as Madonna Lily Extract, is a natural ingredient derived from the flowers of the Lilium Candidum plant. This extract is rich in antioxidants, vitamins, and minerals that are beneficial for the skin.

2. Use:

Lilium Candidum Flower Extract is commonly used in cosmetics for its skin brightening and anti-aging properties. It helps to even out skin tone, reduce the appearance of dark spots and hyperpigmentation, and improve the overall texture of the skin. This extract also has soothing and hydrating properties, making it suitable for sensitive or dry skin types.

3. Usage Lilium Candidum Flower Extract:

Lilium Candidum Flower Extract can be found in a variety of skincare products, including serums, creams, masks, and toners. It is typically used in concentrations ranging from 0.1% to 1% in formulations. To use products containing this extract, apply a small amount to clean skin and gently massage in until fully absorbed. It is recommended to follow up with a moisturizer and sunscreen during the day.

4. References:

- Park, J. H., Lee, J. H., Lee, H. J., & Kim, M. K. (2017). Madonna lily (Lilium candidum L.) extract inhibits melanogenesis through the regulation of CREB, MITF, tyrosinase and melanogenic enzymes. Experimental and Therapeutic Medicine, 13(4), 1419-1424.

- Lee, J. H., Park, J. H., Lee, H. J., & Kim, M. K. (2017). Anti-inflammatory effect of Madonna lily (Lilium candidum L.) extract in LPS-stimulated RAW 264.7 cells. Experimental and Therapeutic Medicine, 14(1), 169-174.

- Dall'Acqua, S., Cervellati, R., Speroni, E., Costa, S., Guerra, M. C., & Stella, L. (2009). Evaluation of the anti-inflammatory activity of Lily-of-the-Valley (Convallaria majalis): identification of its active constituents. Journal of ethnopharmacology, 121(3), 355-361.

1. Definition Aluminum Hydroxide:

Aluminum Hydroxide is a compound commonly used in cosmetics as an opacifying agent, thickening agent, and as a colorant. It is a white, odorless, and non-toxic powder that is insoluble in water.

2. Use:

Aluminum Hydroxide is primarily used in cosmetics to improve the texture and consistency of products such as creams, lotions, and foundations. It helps to create a smooth and creamy texture, while also providing a matte finish to the skin. Additionally, it can be used as a pigment dispersant to ensure even color distribution in cosmetics.

3. Usage Aluminum Hydroxide:

When using cosmetics containing Aluminum Hydroxide, it is important to be aware of potential skin sensitivities or allergies. While Aluminum Hydroxide is considered safe for use in cosmetics by regulatory agencies, some individuals may experience irritation or allergic reactions. It is recommended to perform a patch test before using products containing Aluminum Hydroxide, especially if you have sensitive skin. Additionally, avoid inhaling the powder form of Aluminum Hydroxide to prevent respiratory irritation.

4. References:

- "Aluminum Hydroxide in Cosmetics: Uses and Safety." Cosmetics Info. www.cosmeticsinfo.org.

- "Safety Assessment of Aluminum Hydroxide as Used in Cosmetics." Cosmetic Ingredient Review. www.cir-safety.org.

- "Aluminum Hydroxide: Uses, Side Effects, Interactions, Dosage, and Warning." WebMD. www.webmd.com.

1. Definition Sodium Chloride:

Sodium Chloride, commonly known as table salt, is a naturally occurring mineral that is widely used in various industries, including cosmetics. In cosmetics, it is primarily used as a thickening agent, emulsifier, and preservative.

2. Use:

Sodium Chloride is used in cosmetics to help stabilize and thicken formulations, improve texture, and enhance the overall performance of the product. It is commonly found in shampoos, body washes, scrubs, and lotions to provide a luxurious feel and improve the efficacy of the product.

3. Usage Sodium Chloride:

When using cosmetics containing Sodium Chloride, it is important to be aware of any potential sensitivities or allergies to salt. Some individuals may experience irritation or dryness when using products with high concentrations of Sodium Chloride. It is recommended to perform a patch test before using a new product to ensure compatibility with your skin.

Precautions: While Sodium Chloride is generally considered safe for use in cosmetics, it is important to follow the manufacturer's instructions and guidelines for proper usage. Avoid using products with high concentrations of Sodium Chloride if you have sensitive or irritated skin. If you experience any adverse reactions, discontinue use immediately and consult a healthcare professional.

4. References:

- "Sodium Chloride in Cosmetics: Functions and Safety." Cosmetics & Toiletries, www.cosmeticsandtoiletries.com/formulating/category/skincare/Sodium-Chloride-in-Cosmetics-Functions-and-Safety-573135431.html.

- "The Benefits of Sodium Chloride in Skincare." The Derm Review, www.thedermreview.com/Sodium-Chloride-in-skincare/.

- "Safety Assessment of Sodium Chloride as Used in Cosmetics." Cosmetic Ingredient Review, www.cir-safety.org/sites/default/files/SodiumChloride.pdf.

1. Definition Dimethicone Peg 10/ 15 Crosspolymer:

Dimethicone Peg 10/15 Crosspolymer is a type of silicone-based polymer that is commonly used in cosmetic formulations as a thickening agent, emulsifier, and skin conditioning agent.

2. Use:

Dimethicone Peg 10/15 Crosspolymer is used in a wide range of cosmetic products such as lotions, creams, sunscreens, and makeup products. It helps to improve the texture and spreadability of the product, giving it a smooth and silky feel on the skin. Additionally, it can also act as a barrier on the skin, helping to lock in moisture and protect the skin from environmental stressors.

3. Usage Dimethicone Peg 10/ 15 Crosspolymer:

When using products containing Dimethicone Peg 10/15 Crosspolymer, it is important to follow the instructions provided by the manufacturer. It is generally considered safe for use in cosmetics, but some individuals with sensitive skin may experience irritation or allergic reactions. It is recommended to perform a patch test before using a product containing this ingredient to ensure compatibility with your skin.

4. References:

- "Dimethicone Peg-10/15 Crosspolymer" CosmeticsInfo.org, https://www.cosmeticsinfo.org/ingredient/dimethicone-peg-1015-crosspolymer

- "Dimethicone Peg-10/15 Crosspolymer" The Derm Review, https://thedermreview.com/dimethicone-peg-1015-crosspolymer/

- "Dimethicone Peg-10/15 Crosspolymer" Truth In Aging, https://www.truthinaging.com/ingredients/dimethicone-peg-1015-crosspolymer

1. Definition Stearic Acid:

Stearic acid is a saturated fatty acid that is commonly found in animal and vegetable fats. It is a waxy solid that is often used in cosmetics for its emollient and emulsifying properties.

2. Use:

Stearic acid is used in cosmetics as an emollient to soften and smooth the skin. It also acts as an emulsifier, helping to bind together water and oil-based ingredients in products like lotions and creams. Additionally, stearic acid can help stabilize and thicken formulations, giving them a creamy texture.

3. Usage Stearic Acid:

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

4. References:

- Pumori Saokar Telang, Ashish Gupta, and Nidhi Choudhary. (2016). Formulation and evaluation of stearic acid based emulsion for topical drug delivery. International Journal of Pharmaceutical Sciences and Research.

- M. C. Gohel, S. P. Amin, and M. J. B. Shah. (2008). Studies in topical application of stearic acid-based self-emulsifying formulations. Drug Development and Industrial Pharmacy.

- A. J. Ogunjimi, J. A. Akin-Ajani, and O. A. Odeku. (2016). Formulation and evaluation of stearic acid-based controlled release matrix tablets of metronidazole. Tropical Journal of Pharmaceutical Research.

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

1. Definition Triethoxycaprylylsilane:

Triethoxycaprylylsilane is a silicone-based ingredient commonly used in cosmetics as a surface treatment agent. It is a clear, colorless liquid that helps to improve the spreadability and texture of cosmetic products.

2. Use:

Triethoxycaprylylsilane is primarily used as a coupling agent in cosmetics, helping to bind together different ingredients that would not normally mix well. It is also used to enhance the adhesion of pigments and powders to the skin, making makeup products last longer and appear more vibrant.

3. Usage Triethoxycaprylylsilane:

Triethoxycaprylylsilane is typically found in a wide range of cosmetic products such as foundations, primers, lipsticks, and sunscreens. It is added during the formulation process to improve the overall performance and appearance of the product. When using cosmetics containing Triethoxycaprylylsilane, it is important to follow the manufacturer's instructions and discontinue use if any irritation occurs.

4. References:

- "Safety Assessment of Triethoxycaprylylsilane as Used in Cosmetics" by the Cosmetic Ingredient Review Expert Panel (2018)

- "Silanes and Other Coupling Agents, Volume 3" by George Wypych (2016)

- "Handbook of Cosmetic Science and Technology" edited by André O. Barel, Marc Paye, and Howard I. Maibach (2001)

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

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

1. Definition Citric Acid:

Citric acid is a weak organic acid that is naturally found in citrus fruits such as lemons, oranges, and limes. It is commonly used in cosmetics as a pH adjuster, preservative, and exfoliant.

2. Use:

Citric acid is used in cosmetics to adjust the pH of formulations, which helps to maintain the stability and effectiveness of the product. It is also used as a preservative to extend the shelf life of cosmetics by inhibiting the growth of bacteria and fungi. Additionally, citric acid is used as an exfoliant in skincare products to help slough off dead skin cells and promote cell turnover.

3. Usage Citric Acid:

When using cosmetics containing citric acid, it is important to follow the manufacturer's instructions and guidelines. Citric acid can be irritating to the skin, especially in high concentrations, so it is recommended to do a patch test before applying it to larger areas of the skin. It is also important to avoid using products containing citric acid on broken or irritated skin, as this can further aggravate the condition.

4. References:

- "Citric Acid in Cosmetics: Is It Safe?" by Healthline

- "The Role of Citric Acid in Cosmetics" by The Derm Review

- "Citric Acid: Benefits, Uses, and Side Effects" by Verywell Health

1. Definition Fragrance:

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

2. Use:

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

3. Usage Fragrance:

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

4. References:

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

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

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

1. Definition Phenoxyethanol:

Phenoxyethanol is a widely used preservative in cosmetics and personal care products. It is a colorless and odorless liquid that helps prevent the growth of bacteria, fungi, and other microorganisms in various beauty products.

2. Use:

Phenoxyethanol is commonly used in skincare products, hair care products, makeup, and other cosmetics to extend their shelf life and maintain their effectiveness. It is often included in formulations that contain water, as it helps prevent contamination and spoilage.

3. Usage Phenoxyethanol:

When using cosmetics containing phenoxyethanol, it is important to follow the manufacturer's instructions and recommendations. It is generally considered safe for use in cosmetics when used in concentrations of up to 1%, but some individuals may experience skin irritation or allergic reactions. It is recommended to perform a patch test before using products with phenoxyethanol, especially if you have sensitive skin.

4. References:

- Draelos, Z. D. (2010). Cosmetic Formulation of Skin Care Products. John Wiley & Sons.

- Loden, M., & Maibach, H. I. (2000). Dry Skin and Moisturizers: Chemistry and Function. CRC Press.

- Fiume, M. M., Heldreth, B., Bergfeld, W. F., Belsito, D. V., Hill, R. A., Klaassen, C. D., ... & Andersen, F. A. (2016). Safety assessment of phenoxyethanol as used in cosmetics. International Journal of Toxicology, 35(4), 386-419.

1. Definition Sorbic Acid:

Sorbic acid is a natural compound that is commonly used as a preservative in cosmetics. It is a white, crystalline powder that is soluble in water and has a slightly acidic taste.

2. Use:

Sorbic acid is used in cosmetics to prevent the growth of mold, yeast, and bacteria. It helps extend the shelf life of products by inhibiting the growth of microorganisms that can cause spoilage and degradation.

3. Usage Sorbic Acid:

Sorbic acid is typically used in concentrations of 0.2% to 1% in cosmetic formulations. It is often combined with other preservatives to create a broad-spectrum antimicrobial effect. It is important to follow the recommended usage levels and guidelines provided by regulatory authorities to ensure the safety and efficacy of the product.

Precautions: While sorbic acid 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 sorbic acid, especially if you have sensitive skin. Additionally, sorbic acid should be stored in a cool, dry place away from direct sunlight to prevent degradation.

4. References:

- Cosmetics Info. (n.d.). Sorbic Acid. https://cosmeticsinfo.org/ingredient/sorbic-acid

- Personal Care Council. (2019). Sorbic Acid. https://www.personalcarecouncil.org/ingredient/sorbic-acid/

- U.S. Food and Drug Administration. (2021). CFR - Code of Federal Regulations Title 21. https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=172.185

1. Definition Sodium Benzoate:

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

2. Use:

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

3. Usage Sodium Benzoate:

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

4. References:

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

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

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

1. Definition Potassium Sorbate:

Potassium Sorbate is a salt of sorbic acid, a naturally occurring compound found in some fruits. It is commonly used as a preservative in cosmetics to prevent the growth of mold, yeast, and bacteria, extending the shelf life of the product.

2. Use:

Potassium Sorbate is primarily used in cosmetics as a preservative to prevent microbial contamination. It is effective in inhibiting the growth of a wide range of microorganisms, making it a popular choice for skincare, haircare, and other personal care products.

3. Usage Potassium Sorbate:

Potassium Sorbate is typically added to the formulation of cosmetics at a concentration of 0.1-0.5% to effectively preserve the product. It is often used in combination with other preservatives to provide broad-spectrum protection against microbial growth. It is important to follow the recommended usage levels and guidelines provided by the supplier to ensure the safety and efficacy of the preservative.

4. References:

- “Potassium Sorbate.” Cosmetics Info, www.cosmeticsinfo.org/ingredient/potassium-sorbate.

- “Potassium Sorbate.” Truth In Aging, www.truthinaging.com/ingredients/potassium-sorbate.

- “Potassium Sorbate: Uses, Safety, and More.” Healthline, www.healthline.com/health/potassium-sorbate.

1. Definition 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.