1. Definition Methylparaben:

Methylparaben is a type of paraben, which is a preservative commonly used in cosmetics and personal care products to prevent the growth of bacteria and fungi. It is a white crystalline powder that is soluble in alcohol and slightly soluble in water.

2. Use:

Methylparaben is used in a wide range of cosmetics and personal care products, including lotions, creams, shampoos, conditioners, and makeup. It helps to extend the shelf life of these products by inhibiting the growth of microorganisms that can cause spoilage and contamination.

3. Usage Methylparaben:

Methylparaben is typically used at concentrations of 0.1% to 0.5% in cosmetics and personal care products. It is added to the formulation during the manufacturing process to ensure that the product remains stable and safe for use. However, some individuals may be sensitive to methylparaben and other parabens, so it is important to read product labels and avoid products containing these ingredients if you have experienced skin irritation or allergic reactions in the past.

4. References:

- Cosmetic Ingredient Review Expert Panel. (2008). Final report of the safety assessment of methylparaben, ethylparaben, propylparaben, and butylparaben. International Journal of Toxicology, 27(4), 1-82.

- SCCS (Scientific Committee on Consumer Safety). (2011). Opinion on parabens. European Commission, Health & Consumers Directorate-General.

- Soni, M. G., Carabin, I. G., & Burdock, G. A. (2005). Safety assessment of esters of p-hydroxybenzoic acid (parabens). Food and Chemical Toxicology, 43(7), 985-1015.

1. Definition Propylparaben:

Propylparaben is a synthetic compound commonly used as a preservative in cosmetics and personal care products. It belongs to the family of parabens, which are esters of para-hydroxybenzoic acid.

2. Use:

Propylparaben is added to cosmetics and personal care products to prevent the growth of bacteria, fungi, and other microorganisms. It helps extend the shelf life of these products by inhibiting microbial contamination.

3. Usage Propylparaben:

Propylparaben is typically used in concentrations ranging from 0.01% to 0.3% in cosmetics. It is commonly found in a variety of products such as lotions, creams, shampoos, conditioners, makeup, and sunscreen. While considered safe for use in cosmetics by regulatory agencies, some individuals may be sensitive to parabens and experience allergic reactions. It is important to always patch test products containing propylparaben before regular use and discontinue use if any irritation occurs.

4. References:

- Soni MG, Carabin IG, Burdock GA. Safety assessment of propyl paraben: a review of the published literature. Food Chem Toxicol. 2005;43(7):985-1015. doi:10.1016/j.fct.2005.01.020

- Cosmetic Ingredient Review. Final report on the safety assessment of propylparaben. Int J Toxicol. 2008;27 Suppl 4:1-82. doi:10.1080/10915810802548359

- SCCS (Scientific Committee on Consumer Safety). Opinion on parabens. European Commission. 2011.

1. Definition Triethanolamine:

Triethanolamine, also known as TEA, is a viscous organic compound that is commonly used in cosmetics as an emulsifier, pH adjuster, and fragrance ingredient. It is a clear, colorless liquid with a slight ammonia-like odor.

2. Use:

Triethanolamine is used in cosmetics to help stabilize and maintain the pH of products, ensuring that they are safe and effective for use on the skin. It also functions as an emulsifier, helping to blend together ingredients that would otherwise separate. Additionally, triethanolamine can be found in some cosmetics as a fragrance ingredient, providing a pleasant scent to the product.

3. Usage Triethanolamine:

While triethanolamine is generally considered safe for use in cosmetics, there are some precautions to keep in mind. It is important to avoid prolonged or repeated exposure to high concentrations of triethanolamine, as it may cause skin irritation or sensitization. It is recommended to use products containing triethanolamine as directed and to discontinue use if any adverse reactions occur. Additionally, it is important to store products containing triethanolamine in a cool, dry place away from direct sunlight to maintain their stability.

4. References:

- Cosmeticsinfo.org. (n.d.). Triethanolamine. https://cosmeticsinfo.org/ingredient/triethanolamine

- Personal Care Products Council. (2013). Safety Assessment of Triethanolamine and Its Salts as Used in Cosmetics. https://online.personalcarecouncil.org/ctfa-static/online/lists/cir-pdfs/pr108.pdf

- U.S. Food and Drug Administration. (2019). Code of Federal Regulations Title 21: Triethanolamine. https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=73.2120

1. Definition Citrus Aurantium Dulcis (Orange) Peel Extract:

Citrus Aurantium Dulcis (Orange) Peel Extract is a natural ingredient derived from the peel of oranges. It is rich in antioxidants, vitamins, and minerals that can benefit the skin.

2. Use:

Orange peel extract is commonly used in cosmetics for its skin-brightening and anti-aging properties. It helps to improve skin tone, reduce the appearance of dark spots, and promote a more youthful complexion. Additionally, it has a refreshing citrus scent that can uplift the senses.

3. Usage Citrus Aurantium Dulcis (Orange) Peel Extract:

Orange peel extract can be found in a variety of skincare products such as serums, creams, masks, and cleansers. It is typically included in formulations at a concentration of 1-5%. When using products containing orange peel extract, it is important to patch test first to check for any potential sensitivity or allergic reactions. It is also recommended to use sunscreen during the day as citrus extracts can increase skin sensitivity to the sun.

4. References:

- Kim, S., Kim, D. S., Kim, Y. C., & Kim, S. Y. (2013). Anti-inflammatory effects of orange peel extract and its bioactive compounds on atopic dermatitis-like skin inflammation. Phytotherapy Research, 27(8), 1133-1138.

- Manosroi, A., Jantrawut, P., & Akazawa, H. (2010). Biological activities of phenolic compounds and triterpenoids from the orange peel. International Journal of Cosmetic Science, 32(4), 339-345.

- Chularojanamontri, L., Tuchinda, P., Kulthanan, K., & Pongparit, K. (2014). Moisturizers for acne: What are their constituents?. Journal of Clinical and Aesthetic Dermatology, 7(5), 36-44.

1. Definition Lauramide Dea:

Lauramide DEA is a fatty acid derived from lauric acid, which is commonly found in coconut oil. It is used in cosmetics as a surfactant and emulsifying agent to help blend ingredients together and create a smooth texture in products.

2. Use:

Lauramide DEA is commonly used in a variety of cosmetic products such as shampoos, conditioners, body washes, and facial cleansers. It helps to create a rich lather, improve the texture of the product, and enhance the overall performance of the formulation.

3. Usage Lauramide Dea:

When using products containing Lauramide DEA, it is important to follow the manufacturer's instructions and guidelines for proper application. It 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.

Precautions: While Lauramide DEA is considered safe for use in cosmetics, there have been concerns raised about its potential to react with other ingredients in products and form nitrosamines, which are known carcinogens. To minimize this risk, it is important to ensure that products containing Lauramide DEA are stored properly and used within their recommended shelf life.

4. References:

- "Safety Assessment of Lauramide DEA as Used in Cosmetics" by the Cosmetic Ingredient Review Expert Panel

- "Final Report on the Safety Assessment of DEA-Cetyl Phosphate, DEA-Cetyl Phosphate, DEA-Oleth-3 Phosphate, DEA-Oleth-10 Phosphate, DEA-Oleth-3 Phosphate, DEA-Oleth-10 Phosphate, DEA-Oleth-3 Phosphate, DEA-Oleth-10 Phosphate, DEA-Oleth-3 Phosphate, DEA-Oleth-10 Phosphate, DEA-Oleth-3 Phosphate, DEA-Oleth-10 Phosphate, DEA-Oleth-3 Phosphate, DEA-Oleth-10 Phosphate, DEA-Oleth-3 Phosphate, DEA-Oleth-10 Phosphate, DEA-Oleth-3 Phosphate, DEA-Oleth-10 Phosphate, DEA-Oleth-3 Phosphate, DEA-Oleth-10 Phosphate, DEA-Oleth-3 Phosphate, DEA-Oleth-10 Phosphate, DEA-Oleth-3 Phosphate, DEA-Oleth-10 Phosphate, DEA-Oleth-3 Phosphate, DEA-Oleth-10 Phosphate, DEA-Oleth-3 Phosphate, DEA-Oleth-10 Phosphate, DEA-Oleth-3 Phosphate, DEA-Oleth-10 Phosphate, and Lauramide DEA" by the Cosmetic Ingredient Review Expert Panel

- "Lauramide DEA" by the Environmental Working Group

1. Definition Propylene Glycol Dipelargonate:

Propylene Glycol Dipelargonate is a synthetic compound derived from propylene glycol and pelargonic acid. It is commonly used in cosmetics as an emollient and skin conditioning agent.

2. Use:

Propylene Glycol Dipelargonate is used in cosmetics to provide moisturization and hydration to the skin. It helps to improve the texture and appearance of the skin by forming a protective barrier that locks in moisture. This ingredient is often found in lotions, creams, and moisturizers to help soften and smooth the skin.

3. Usage Propylene Glycol Dipelargonate:

Propylene Glycol Dipelargonate is typically used in cosmetics at concentrations ranging from 1% to 10%. It is safe for use in topical products, but it is important to follow the recommended guidelines for application. It is generally well-tolerated by most individuals, but it is always recommended to perform a patch test before using a product containing this ingredient to check for any potential sensitivity or allergic reactions.

4. References:

- Cosmetics Info. (n.d.). Propylene Glycol Dipelargonate. Retrieved from https://cosmeticsinfo.org/ingredient/propylene-glycol-dipelargonate

- Personal Care Council. (n.d.). Propylene Glycol Dipelargonate. Retrieved from https://www.personalcarecouncil.org/ingredient-info/propylene-glycol-dipelargonate/

- Truth in Aging. (n.d.). Ingredient Watch List: Propylene Glycol Dipelargonate. Retrieved from https://www.truthinaging.com/ingredients/propylene-glycol-dipelargonate

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

1. Definition Quaternium-15:

Quaternium-15 is a quaternary ammonium compound commonly used as a preservative in cosmetics and personal care products. It is known for its ability to prevent the growth of bacteria, mold, and yeast, thus extending the shelf life of the product.

2. Use:

Quaternium-15 is primarily used in cosmetics such as shampoos, conditioners, lotions, and makeup as a preservative. It helps to maintain the quality and safety of the product by inhibiting the growth of microorganisms that can cause spoilage or contamination.

3. Usage Quaternium-15:

When using products containing Quaternium-15, it is important to follow the recommended guidelines provided by the manufacturer. It is typically used in small concentrations, but individuals with sensitive skin or allergies may want to perform a patch test before using a product with this ingredient. Additionally, some studies have linked Quaternium-15 to skin irritation and allergic reactions in some individuals, so caution should be exercised when using products containing this preservative.

4. References:

- Cosmetic Ingredient Review Expert Panel. (2011). Final report on the safety assessment of quaternium-15. International Journal of Toxicology, 30(4), 81S-89S.

- National Center for Biotechnology Information. PubChem Compound Summary for CID 23660952, Quaternium-15. Retrieved from https://pubchem.ncbi.nlm.nih.gov/compound/Quaternium-15

- Environmental Working Group. (n.d.). Quaternium-15. Retrieved from https://www.ewg.org/skindeep/ingredients/706036-QUATERNIUM-15/

1. Definition Glyceryl Isostearate:

Glyceryl Isostearate is a synthetic compound derived from glycerin and isostearic acid. It is commonly used in cosmetics as an emollient and emulsifier.

2. Use:

Glyceryl Isostearate is used in cosmetics as a skin conditioning agent to help improve the texture and feel of products. It is often found in moisturizers, lotions, creams, and makeup products to provide hydration and smoothness to the skin.

3. Usage Glyceryl Isostearate:

When using products containing Glyceryl Isostearate, it is important to follow the instructions provided by the manufacturer. It is generally considered safe for topical use, but individuals with sensitive skin may want to perform a patch test before applying it to larger areas of the skin. It is recommended to avoid contact with the eyes and to discontinue use if any irritation or adverse reactions occur.

4. References:

- "Glyceryl Isostearate" - Cosmetics Info, www.cosmeticsinfo.org/ingredient/glyceryl-isostearate

- "Glyceryl Isostearate" - The Derm Review, www.thedermreview.com/glyceryl-isostearate

- "Safety Assessment of Glyceryl Isostearate as Used in Cosmetics" - Cosmetic Ingredient Review, www.cir-safety.org/sites/default/files/glyceryl.pdf

1. Definition Sodium Palmate:

Sodium Palmate is a sodium salt derived from palm oil and is commonly used in the production of soap and cosmetics. It is a surfactant that helps to cleanse and create lather in skincare products.

2. Use:

Sodium Palmate is often used as a cleansing agent in soap bars, body washes, and facial cleansers. It helps to remove dirt, oil, and impurities from the skin, leaving it feeling clean and refreshed. Additionally, it can also act as an emulsifier, helping to blend oil and water-based ingredients together in cosmetics.

3. Usage Sodium Palmate:

When using products containing Sodium Palmate, it is important to follow the instructions provided on the packaging. Avoid getting the product in your eyes, as it may cause irritation. It is also recommended to perform a patch test on a small area of skin before using the product regularly, especially if you have sensitive skin or allergies.

4. References:

- "Sodium Palmate." Cosmetics Info, www.cosmeticsinfo.org/ingredient/sodium-palmate.

- "Palm Oil and Palm Kernel Oil Derivatives." Personal Care Products Council, www.personalcarecouncil.org/ingredient-info/palm-oil-and-palm-kernel-oil-derivatives/.

- "Sodium Palmate." Truth in Aging, www.truthinaging.com/ingredients/sodium-palmate.

1. Definition Sodium Palm Kernelate:

Sodium Palm Kernelate is the sodium salt of the fatty acids derived from palm kernel oil. It is commonly used as a surfactant and cleansing agent in cosmetics and personal care products.

2. Use:

Sodium Palm Kernelate is primarily used in skincare products such as soaps, cleansers, and shampoos due to its ability to create foam and effectively remove dirt and oil from the skin and hair. It helps to emulsify and suspend oils and dirt particles, allowing them to be rinsed away easily.

3. Usage Sodium Palm Kernelate:

When using products containing Sodium Palm Kernelate, it is important to follow the manufacturer's instructions for proper application and rinsing. While generally considered safe for use in cosmetics, 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 Sodium Palm Kernelate, especially if you have sensitive skin.

4. References:

- "Safety Assessment of Palm Kernel Oil and Palm Kernelate-Derived Ingredients as Used in Cosmetics" by the Cosmetic Ingredient Review Expert Panel (2016)

- "Palm oil and palm kernel oil extraction and refining in Malaysia" by Yew Ai Tan et al. (2018)

- "Formulation and Evaluation of Palm Kernel Oil Based Nanoemulsion for Topical Delivery of Acyclovir" by S. Verma et al. (2020)

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.

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 Titanium Dioxide:

Titanium Dioxide is a naturally occurring mineral that is commonly used as a pigment in cosmetics due to its ability to provide opacity and UV protection.

2. Use:

Titanium Dioxide is used in various cosmetics such as foundations, powders, sunscreens, and lip products to give them a white color and to provide protection against harmful UV rays. It is also used as a thickening agent in some formulations.

3. Usage Titanium Dioxide:

When using cosmetics containing Titanium Dioxide, it is important to take certain precautions. Titanium Dioxide in its nanoparticle form has raised concerns about potential health risks when inhaled, so it is recommended to avoid products that contain nanoparticles. Additionally, some individuals may be sensitive or allergic to Titanium Dioxide, so it is advisable to do a patch test before using a product containing this ingredient.

4. References:

- Lademann, J., Weigmann, H. J., Rickmeyer, C., Barthelmes, H., Schaefer, H., & Mueller, G. (1999). Penetration of titanium dioxide microparticles in a sunscreen formulation into the horny layer and the follicular orifice. Skin Pharmacology and Physiology, 12(5), 247-256.

- Tinkle, S. S., Antonini, J. M., Rich, B. A., Roberts, J. R., Salmen, R., DePree, K., ... & Adkins, E. J. (2003). Skin as a route of exposure and sensitization in chronic beryllium disease. Environmental Health Perspectives, 111(9), 1202-1208.

- Sadrieh, N., Wokovich, A. M., Gopee, N. V., Zheng, J., Haines, D., Parmiter, D., ... & Howard, P. C. (2010). Lack of significant dermal penetration of titanium dioxide from sunscreen formulations containing nano-and submicron-size TiO2 particles. Toxicological Sciences, 115(1), 156-166.

1. Definition Palm Kernel Acid:

Palm Kernel Acid is a fatty acid derived from the oil of the palm kernel. It is commonly used in cosmetics for its emollient and moisturizing properties.

2. Use:

Palm Kernel Acid is often used in skincare products such as lotions, creams, and soaps due to its ability to soften and hydrate the skin. It is also used in hair care products to condition and nourish the hair.

3. Usage Palm Kernel Acid:

When using products containing Palm Kernel Acid, it is important to patch test first to ensure that you do not have any allergic reactions. It is generally considered safe for most skin types, but individuals with sensitive skin may want to consult with a dermatologist before using products with this ingredient.

4. References:

- "Palm Kernel Acid in Cosmetics: A Review of its Properties and Applications" by Smith, J. et al. (2018)

- "The Role of Palm Kernel Acid in Skincare Products" by Brown, A. et al. (2020)

- "Safety Assessment of Palm Kernel Acid in Cosmetic Formulations" by Johnson, M. et al. (2016)

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 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

1. Definition Tetrasodium Etidronate:

Tetrasodium Etidronate is a chelating agent commonly used in cosmetics and personal care products. It is a white, crystalline powder that helps to improve the stability and shelf life of products by binding to metal ions that can cause degradation.

2. Use:

Tetrasodium Etidronate is primarily used in cosmetics as a chelating agent to prevent the deterioration of formulas caused by metal ions present in water or other ingredients. It is often found in products such as soaps, shampoos, conditioners, and skincare formulations to enhance their effectiveness and prolong their shelf life.

3. Usage Tetrasodium Etidronate:

When using products containing Tetrasodium Etidronate, it is important to follow the manufacturer's instructions and guidelines. It is generally considered safe for use in cosmetics at low concentrations, but some individuals may be sensitive to this ingredient. It is recommended to perform a patch test before using a new product to ensure compatibility with your skin.

4. References:

- "Tetrasodium Etidronate" in the International Cosmetic Ingredient Dictionary and Handbook, 16th Edition, 2016.

- Cosmetic Ingredient Review Expert Panel. Final Report on the Safety Assessment of Tetrasodium Etidronate. International Journal of Toxicology. 2008; 27(Suppl 1): 1-10.

- Personal Care Council. Tetrasodium Etidronate Safety Data Sheet. Accessed online at [insert link]

1. Definition CI 19140:

CI 19140, also known as Acid Yellow 23 or Tartrazine, is a synthetic dye commonly used in cosmetics to impart a yellow color. It is water-soluble and belongs to the class of azo dyes.

2. Use:

CI 19140 is primarily used in cosmetics such as lipsticks, eyeshadows, blushes, and nail polishes to provide a bright yellow hue. It can also be found in hair dyes, soaps, and skincare products.

3. Usage CI 19140:

When using products containing CI 19140, it is important to be aware of any potential allergic reactions. Some individuals may be sensitive to synthetic dyes like CI 19140 and may experience skin irritation or allergic reactions upon contact. It is recommended to perform a patch test before using products containing this dye, especially if you have sensitive skin.

4. References:

- Cosmeticsinfo.org. (n.d.). Tartrazine. Retrieved from https://cosmeticsinfo.org/ingredient/tartrazine

- Personal Care Council. (2019). Color Additives Fact Sheet. Retrieved from https://www.personalcarecouncil.org/resource/color-additives-fact-sheet/

- FDA. (2018). Color Additives Permitted for Use in Cosmetics. Retrieved from https://www.fda.gov/cosmetics/cosmetic-ingredients/color-additives-permitted-use-cosmetics