Ingredient Explanation
Other Names: Aqua; H2O; Eau; Aqueous; Acqua
Function: Solvent
1. Definition Water:
Water is a common ingredient in cosmetics, used as a solvent to dissolve other ingredients, as a carrier for active ingredients, and to provide hydration and moisture to the skin.
2. Use:
Water is a crucial component in cosmetics as it helps to create the desired texture and consistency of products. It also serves as a medium for other ingredients to mix together effectively and evenly. Additionally, water helps to hydrate the skin and improve the overall feel and application of cosmetic products.
3. Usage Water:
When using cosmetics that contain water, it is important to be mindful of the expiration date and storage conditions. Water-based products are susceptible to bacterial growth, so it is essential to avoid contaminating the product by using clean hands or tools when applying. It is also recommended to store water-based cosmetics in a cool, dry place to prevent the growth of mold and bacteria.
4. References:
- Draelos, Z. D. (2010). Cosmetic dermatology: products and procedures. John Wiley & Sons.
- Winter, R. (2009). A consumer's dictionary of cosmetic ingredients: complete information about the harmful and desirable ingredients found in cosmetics and cosmeceuticals. Crown.
- Begoun, P. (2003). Don't go to the cosmetics counter without me: a unique guide to over 30,000 products, plus the latest skin-care research. Beginning Press.
Function: Surfactant, Emulsifying, Sufactant
1. Definition Potassium Oleate:
Potassium Oleate is the potassium salt of oleic acid, a natural fatty acid found in various vegetable oils. It is commonly used as a surfactant and emulsifier in cosmetics and personal care products.
2. Use:
Potassium Oleate is used in cosmetics as a cleansing agent, emulsifier, and stabilizer. It helps to create a smooth texture in products like lotions, creams, and shampoos. It is also used in makeup products like foundations and lipsticks to improve their texture and spreadability.
3. Usage Potassium Oleate:
Potassium Oleate is generally considered safe for use in cosmetics, but it is important to follow the recommended guidelines for its use. It is typically used in concentrations ranging from 0.5% to 5% in formulations. It is important to avoid using products containing Potassium Oleate on broken or irritated skin, as it may cause further irritation. Additionally, it is recommended to perform a patch test before using products containing Potassium Oleate to check for any potential allergic reactions.
4. References:
- "Potassium Oleate" by Truth In Aging (https://www.truthinaging.com/ingredients/potassium-oleate)
- "Safety Assessment of Potassium Oleate as Used in Cosmetics" by the Cosmetic Ingredient Review Expert Panel (https://www.cir-safety.org/sites/default/files/potassiumoleate.pdf)
- "Potassium Oleate in Cosmetics" by Cosmetics Info (https://cosmeticsinfo.org/ingredient/potassium-oleate)
Function: Surfactant, Emulsifying, Sufactant
1. Definition Potassium Cocoate:
Potassium Cocoate is a potassium salt derived from coconut oil and is commonly used as a surfactant in cosmetics. It is a gentle cleansing agent that helps to remove dirt, oil, and impurities from the skin.
2. Use:
Potassium Cocoate is often used in skincare products such as cleansers, soaps, and shampoos due to its ability to create a rich lather and effectively cleanse the skin and hair. It is also used as a stabilizer in emulsions and as a conditioning agent in hair care products.
3. Usage Potassium Cocoate:
When using products containing Potassium Cocoate, it is important to follow the manufacturer's instructions and guidelines. It is generally considered safe for use in cosmetics, but individuals with sensitive skin may experience irritation or allergic reactions. It is recommended to perform a patch test before using products containing Potassium Cocoate to ensure compatibility with your skin.
4. References:
- "Coconut Oil and Derivatives" by Peter J. Wan, Wiley-VCH, 2019.
- "Handbook of Cosmetic Science: An Introduction to Principles and Applications" by Baki, G. and Alexander, K., CRC Press, 2014.
- "Surfactants in Cosmetics" by Martin M. Rieger and Linda D. Rhein, CRC Press, 2006.
1. Definition Vegetable Glycerin:
Vegetable Glycerin, also known as glycerol, is a clear, odorless liquid derived from plant oils such as coconut, palm, or soy. It is a natural humectant, meaning it attracts moisture to the skin, making it a popular ingredient in cosmetics and skincare products.
2. Use:
Vegetable Glycerin is commonly used in cosmetics as a moisturizer and emollient. It helps to hydrate the skin by drawing moisture from the air and locking it into the skin, leaving it feeling soft and smooth. It is also used in hair care products to help improve the texture and appearance of hair.
3. Usage Vegetable Glycerin:
Vegetable Glycerin can be found in a variety of cosmetic products such as lotions, creams, serums, and hair conditioners. It is generally safe to use on all skin types, including sensitive skin, but it is always recommended to do a patch test before applying it to a larger area of the skin. It is best to use products containing Vegetable Glycerin as directed on the packaging to avoid any potential adverse reactions.
4. References:
- Sharma, R., & Mahajan, V. K. (2018). Role of humectants in cosmetic products. Indian Dermatology Online Journal, 9(4), 244–249. https://doi.org/10.4103/idoj.IDOJ_265_17
- Draelos, Z. D. (2018). Cosmetic Formulation of Skin Care Products. In Cosmeceuticals, 3rd Edition (pp. 25-43). Elsevier. https://doi.org/10.1016/B978-0-12-802005-1.00003-7
- Burdock, G. A. (2005). Encyclopedia of Food and Color Additives (Vol. 1). CRC Press.
Other Names: Dipotassium Citrate
Function: Chelating Agent, pH adjusting agent, pH adjusting agent
1. Definition Potassium Citrate:
Potassium Citrate is a salt of citric acid and potassium, commonly used in cosmetics as a buffering agent to adjust the pH levels of products. It is a white, crystalline powder that is water-soluble and odorless.
2. Use:
Potassium Citrate is used in cosmetics for its ability to control the acidity of formulations, ensuring they are gentle on the skin. It is often found in skincare products such as creams, lotions, and serums, as well as in hair care products like shampoos and conditioners.
3. Usage Potassium Citrate:
When using Potassium Citrate in cosmetics, it is important to follow the recommended guidelines for dosage to avoid any potential side effects. 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.
4. References:
- "Potassium Citrate." Cosmetics Info, www.cosmeticsinfo.org/ingredient/potassium-citrate.
- "Potassium Citrate in Cosmetics." Personal Care Magazine, www.personalcaremagazine.com/story/29270/potassium-citrate-in-cosmetics.
- "Potassium Citrate: Uses, Side Effects, Interactions, Dosage, and Warning." WebMD, www.webmd.com/drugs/2/drug-14116/potassium-citrate-oral/details.
Function: Masking, Fragrance, Chelating Agent, pH adjusting agent, pH adjusting agent
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
Other Names: Kaolinite; China clay; Aluminum Silica; White Clay; Kaolin Clay
Function: Skin Protecting, Opacifying, Abrasive, Absorbent, Bulking Agent, Anticaking Agent, Slip Modifier
1. Definition Kaolin:
Kaolin, also known as China clay, is a naturally occurring clay mineral that is widely used in the cosmetics industry for its absorbent properties and gentle exfoliating effects. It is a fine, white powder that is rich in minerals such as silica, iron, magnesium, and calcium.
2. Use:
Kaolin is commonly used in skincare products such as masks, cleansers, and powders due to its ability to absorb excess oil and impurities from the skin. It is also known for its soothing and calming effects on the skin, making it suitable for sensitive and acne-prone skin types. Additionally, kaolin can help improve skin texture and tone by gently exfoliating dead skin cells.
3. Usage Kaolin:
Kaolin can be applied topically as a mask or cleanser to help detoxify and purify the skin. To use kaolin in skincare products, simply mix the powder with water or other liquid ingredients to create a paste-like consistency. Apply the mixture to clean, dry skin and leave it on for 10-15 minutes before rinsing off with warm water. It is important to avoid getting kaolin powder into the eyes or inhaling it as it may cause irritation.
4. References:
- Dweck, A. C. (2012). Formulating with kaolin. Personal Care Magazine, 9(3), 25-28.
- Williams, L. B., & Haydel, S. E. (2010). Evaluation of the medicinal use of clay minerals as antibacterial agents. International Geology Review, 52(7/8), 745-770.
- Lin, Y. C., & Lin, J. H. (2008). Kaolin and its industrial uses. Journal of the Chinese Ceramic Society, 36(6), 805-811.
Function: Skin Conditioning, Masking, Tonic
1. Definition Cymbopogon Martini (Palmarosa) Oil:
Cymbopogon Martini (Palmarosa) Oil is an essential oil derived from the steam distillation of the grassy leaves of the Cymbopogon Martini plant. It has a sweet, floral aroma with hints of rose, making it a popular ingredient in cosmetics and skincare products.
2. Use:
Palmarosa oil is known for its moisturizing and hydrating properties, making it a valuable ingredient in skincare products such as lotions, creams, and serums. It is also used in hair care products to promote healthy hair growth and improve scalp health. Additionally, Palmarosa oil is valued for its calming and soothing effects on the skin, making it ideal for sensitive or irritated skin types.
3. Usage Cymbopogon Martini (Palmarosa) Oil:
Palmarosa oil can be used in a variety of ways in cosmetics. It can be added to facial cleansers, toners, and moisturizers to help balance oil production, reduce inflammation, and promote a clear complexion. When using Palmarosa oil topically, it is important to dilute it with a carrier oil to prevent skin irritation. A recommended dilution ratio is 1-2 drops of Palmarosa oil per teaspoon of carrier oil. It is also advisable to perform a patch test before using Palmarosa oil on a larger area of skin to check for any allergic reactions.
4. References:
- Bakkali, F., Averbeck, S., Averbeck, D., Idaomar, M. (2008). Biological effects of essential oils – A review. Food and Chemical Toxicology, 46(2), 446-475.
- Buchbauer, G., Jirovetz, L., Jager, W., Plank, C. (1993). Aromatherapy: evidence for sedative effects of the essential oil of lavender after inhalation. Zeitschrift für Naturforschung C, 48(11-12), 844-851.
- Cavanagh, H. M. A., Wilkinson, J. M. (2002). Biological activities of lavender essential oil. Phytotherapy Research, 16(4), 301-308.
Other Names: Lemonal
Function: Masking, Fragrance, Flavoring Agent
1. Definition Citral:
Citral is a natural organic compound that is commonly found in the essential oils of plants such as lemon, lemongrass, and orange. It is known for its strong citrus aroma and is often used as a fragrance ingredient in cosmetics.
2. Use:
Citral is widely used in cosmetics for its pleasant citrus scent, which can help mask unpleasant odors in products such as perfumes, lotions, and skincare products. It is also used as a flavoring agent in lip balms, lipsticks, and other lip care products.
3. Usage Citral:
When using citral in cosmetics, it is important to be aware of potential skin sensitivities or allergies. Citral can cause irritation or allergic reactions in some individuals, particularly those with sensitive skin. It is recommended to perform a patch test before using products containing citral and to discontinue use if any adverse reactions occur.
4. References:
- Gomes-Carneiro, M. R., Dias, D. M., Paumgartten, F. J., & Azevedo, R. B. (2005). Subchronic toxicity of citral in rats. Food and Chemical Toxicology, 43(9), 1361-1367.
- Prashar, A., Locke, I. C., & Evans, C. S. (2004). Cytotoxicity of citral and limonene in a human melanoma cell line. Phytomedicine, 11(1), 34-40.
- Re, R., Pellegrini, N., Proteggente, A., Pannala, A., Yang, M., & Rice-Evans, C. (1999). Antioxidant activity applying an improved ABTS radical cation decolorization assay. Free Radical Biology and Medicine, 26(9-10), 1231-1237.
Function: Masking, Fragrance, Tonic
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.
Function: Solvent, Masking, Deodorant, Fragrance, Soothing
1. Definition Farnesol:
Farnesol is a natural alcohol that is commonly found in essential oils such as citronella, neroli, and cyclamen. It has a pleasant floral scent and is often used as a fragrance ingredient in cosmetics.
2. Use:
Farnesol is known for its antimicrobial properties, making it a popular ingredient in skincare products such as cleansers, toners, and moisturizers. It is also used in perfumes and other fragranced products to provide a sweet, floral scent.
3. Usage Farnesol:
When using products containing farnesol, it is important to be aware of potential sensitivities or allergies. Some individuals may experience skin irritation or allergic reactions when exposed to farnesol, so it is recommended to perform a patch test before using a product with this ingredient. Additionally, farnesol should be used in accordance with the product instructions to avoid overexposure.
4. References:
- Burdock, G. A. (2005). Fenaroli's Handbook of Flavor Ingredients. CRC Press.
- Lalko, J., Api, A. M., & Nardelli, A. (2006). Farnesol. Food and Chemical Toxicology, 44(1), 121-127.
- Andersen, F. A. (2008). Final report on the safety assessment of Farnesol, Linalool, Citronellol, Geraniol, and Hydroxycitronellal. International Journal of Toxicology, 27(4), 1-43.
Function: Masking, Deodorant, Fragrance
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.
Function: Surfactant, Cleansing, Foaming
1. Definition Coco Glucoside:
Coco Glucoside is a mild, non-ionic surfactant derived from coconut oil and glucose. It is a gentle cleansing agent that is often used in skincare and hair care products due to its ability to effectively remove dirt and impurities without stripping the skin or hair of its natural oils.
2. Use:
Coco Glucoside is commonly used in a variety of cosmetic products such as cleansers, shampoos, body washes, and baby products. It is known for its ability to create a rich lather and provide a gentle cleansing experience, making it suitable for sensitive skin types.
3. Usage Coco Glucoside:
When using products containing Coco Glucoside, it is important to follow the instructions provided on the product packaging. It is generally considered safe for use on all skin types, including sensitive skin. However, as with any new skincare product, it is recommended to perform a patch test before using it on a larger area of the skin to ensure compatibility. Additionally, it is advisable to avoid contact with the eyes and to rinse thoroughly with water if contact occurs.
4. References:
- "Coco Glucoside." The Derm Review, www.thedermreview.com/coco-glucoside/.
- "Coco Glucoside." Skin Deep Cosmetics Database, www.ewg.org/skindeep/ingredients/702450-COCO-GLUCOSIDE/.
- "Coco Glucoside: A Gentle Cleansing Agent for Skin and Hair." Formulator Sample Shop, www.formulatorsampleshop.com/Coco-Glucoside-p/coco-glucoside.htm.
Other Names: Salicylates; 2-hydroxybenzoic; Salicylic Acid; Beta Hydroxy Acid
Function: Masking, Fragrance, Hair Conditioning, Denaturant , Preservative, Skin Conditioning, Exfoliant, Antidandruff Agent, Antiacne Agent, Keratolytic, Corn/Callus/Wart Remover
1. Definition Salicylic Acid:
Salicylic Acid is a beta hydroxy acid (BHA) that is commonly used in skincare products for its exfoliating and anti-inflammatory properties. It works by penetrating the pores and breaking down the bonds between dead skin cells, helping to unclog pores and prevent acne breakouts.
2. Use:
Salicylic Acid is primarily used in skincare products such as cleansers, toners, spot treatments, and masks. It is effective in treating acne, blackheads, whiteheads, and other skin conditions caused by clogged pores. Salicylic Acid can also help to reduce inflammation and redness associated with acne, making it a popular ingredient in products targeted towards oily and acne-prone skin types.
3. Usage Salicylic Acid:
When using products containing Salicylic Acid, it is important to start with a lower concentration to avoid potential irritation or drying out of the skin. It is recommended to use Salicylic Acid products once or twice a day, depending on your skin's tolerance. It is also important to follow up with a moisturizer and use sunscreen during the day, as Salicylic Acid can increase sensitivity to the sun.
4. References:
- Kornhauser, A., Coelho, S. G., & Hearing, V. J. (2010). Applications of hydroxy acids: classification, mechanisms, and photoactivity. Clinical, Cosmetic and Investigational Dermatology, 3, 135–142. https://doi.org/10.2147/CCID.S9042
- Arif, T. (2015). Salicylic acid as a peeling agent: a comprehensive review. Clinical, Cosmetic and Investigational Dermatology, 8, 455–461. https://doi.org/10.2147/CCID.S84765
- Chien, A. L., Qi, J., Rainer, B., & Sachs, D. L. (2018). Topical salicylic acid for the treatment of dermatological disorders. Journal of Drugs in Dermatology, 17(6), 725–730. https://jddonline.com/articles/dermatology/S1545961618P0725X/1
Other Names: Glycerine; Glycerin; Pflanzliches Glycerin; 1,2,3-Propanetriol
Function: Solvent, Perfuming, Fragrance, Humectant, Viscosity Decreasing Agent, Hair Conditioning, Skin Protecting, Denaturant
1. Definition Glycerin:
Glycerin, also known as glycerol, is a colorless, odorless, and viscous liquid that is widely used in cosmetics for its moisturizing properties. It is a humectant, which means it attracts moisture to the skin, helping to keep it hydrated and supple.
2. Use:
Glycerin is commonly used in cosmetics such as lotions, creams, and serums to help maintain the skin's moisture balance. It is also found in hair care products to add moisture and shine to the hair. Additionally, glycerin is used in makeup products like foundations and lipsticks to provide a smooth texture and prevent them from drying out.
3. Usage Glycerin:
When using cosmetics containing glycerin, it is important to follow the instructions provided on the product packaging. Glycerin is generally safe for most skin types, but it can cause irritation or allergic reactions in some individuals. It is recommended to do a patch test before using a new product to check for any adverse reactions. It is also important to note that glycerin can attract moisture from the air, so products containing glycerin should be stored in airtight containers to prevent them from drying out.
4. References:
- Draelos, Z. D. (2010). Cosmetic Formulation of Skin Care Products. John Wiley & Sons.
- Loden, M., & Maibach, H. I. (2006). Dry Skin and Moisturizers: Chemistry and Function. CRC Press.
- Winter, R. (2009). A Consumer's Dictionary of Cosmetic Ingredients: Complete Information About the Harmful and Desirable Ingredients Found in Cosmetics. Harmony.
Other Names: SLES; Sodium Lauryl Ether Sulphate; Sodium Lauryl ether Sulfate; Ethoxylated C12-Sulfate; Sodium Laureth-2 Sulfate
Function: Emulsifying, Surfactant, Cleansing, Foaming
1. Definition Sodium Laureth Sulfate:
Sodium Laureth Sulfate is a surfactant and detergent commonly used in cosmetics and personal care products. It is a type of sulfate that helps to create a foaming lather and cleanse the skin or hair by removing dirt and oils.
2. Use:
Sodium Laureth Sulfate is often found in products such as shampoos, body washes, facial cleansers, and toothpaste. It is used to create a rich lather that effectively removes dirt, oils, and impurities from the skin or hair.
3. Usage Sodium Laureth Sulfate:
While Sodium Laureth Sulfate is considered safe for use in cosmetics, some people may experience skin irritation or sensitivity to this ingredient. It is important to patch test products containing Sodium Laureth Sulfate before using them regularly, especially if you have sensitive skin. Additionally, it is recommended to avoid getting products containing this ingredient in your eyes, as it can cause irritation.
4. References:
- National Center for Biotechnology Information. PubChem Compound Summary for CID 23665879, Sodium Laureth Sulfate. https://pubchem.ncbi.nlm.nih.gov/compound/Sodium-laureth-sulfate
- Environmental Working Group. Sodium Laureth Sulfate. https://www.ewg.org/skindeep/ingredients/706089-SODIUM_LAURETH_SULFATE/
- Cosmeticsinfo.org. Sodium Laureth Sulfate. http://cosmeticsinfo.org/ingredient/sodium-laureth-sulfate
Other Names: Hydroxyacetic acid
Function: pH adjusting agent, pH adjusting agent, Exfoliant
1. Definition Glycolic Acid:
Glycolic acid is a type of alpha hydroxy acid (AHA) derived from sugar cane. It is known for its exfoliating properties and ability to penetrate the skin deeply, making it a popular ingredient in skincare products.
2. Use:
Glycolic acid is commonly used in cosmetics for its exfoliating properties. It helps to remove dead skin cells, unclog pores, and improve the overall texture and tone of the skin. It is often found in products such as cleansers, toners, serums, and peels.
3. Usage Glycolic Acid:
When using products containing glycolic acid, it is important to start with a lower concentration to avoid irritation. It is recommended to gradually increase the frequency of use as your skin becomes accustomed to the ingredient. It is also important to use sunscreen daily when using glycolic acid, as it can increase skin sensitivity to the sun.
Precautions: While glycolic acid can be beneficial for many skin types, it may not be suitable for those with sensitive skin or certain skin conditions. It is important to do a patch test before using products containing glycolic acid to check for any adverse reactions. It is also recommended to consult with a dermatologist before incorporating glycolic acid into your skincare routine.
4. References:
- Ditre, C. M., Griffin, T. D., Murphy, G. F., Sueki, H., & Telegan, B. (1996). Effects of alpha-hydroxy acids on photoaged skin: a pilot clinical, histologic, and ultrastructural study. Journal of the American Academy of Dermatology, 34(2), 187-195.
- Kornhauser, A., Coelho, S. G., & Hearing, V. J. (2010). Applications of hydroxy acids: classification, mechanisms, and photoactivity. Clinical, Cosmetic and Investigational Dermatology, 3, 135-142.
- Sharad, J. (2013). Glycolic acid peel therapy – a current review. Clinical, Cosmetic and Investigational Dermatology, 6, 281-288.
Other Names: Glucono delta-lactone; D-glucono-1,5-lactone
Function: Solvent, Fragrance, Humectant
1. Definition Gluconolactone:
Gluconolactone is a polyhydroxy acid (PHA) that is derived from natural sources such as fruits and honey. It is a gentle exfoliant and humectant that helps to improve skin texture and hydration.
2. Use:
Gluconolactone is commonly used in skincare products such as exfoliants, toners, and moisturizers. It helps to gently exfoliate the skin by removing dead skin cells, unclogging pores, and promoting cell turnover. Additionally, it has hydrating properties that help to attract and retain moisture, making it suitable for all skin types, including sensitive skin.
3. Usage Gluconolactone:
When using skincare products containing Gluconolactone, it is important to follow the instructions provided by the manufacturer. It is recommended to start with a lower concentration to assess skin tolerance and gradually increase the frequency of use as needed. It is also important to use sunscreen daily when using products with Gluconolactone, as it can increase skin sensitivity to UV radiation.
4. References:
- Bhatia, A., & Maisuria, V. (2016). Polyhydroxy acids: A new generation of hydroxy acids. International Journal of Research in Cosmetic Science, 6(1), 1-5.
- Draelos, Z. D. (2005). The latest cosmeceutical approaches for anti-aging. Journal of Cosmetic Dermatology, 4(4), 273-278.
- Obagi, Z. E., & Obagi, S. (2003). Chemical peeling and aging skin. Journal of Geriatric Dermatology, 11(2), 67-71.
Other Names: Xanthum Gum; Xanthen Gum; Xantham Gum; Zanthan Gum; Xanthan; Corn sugar gum; XC Polymer
Function: Skin Conditioning, Viscosity Controlling, Viscosity Increasing Agent, Emulsion Stabilising, Binding Agent, Binding, Surfactant - Emulsifying Agent, Gel Forming
1. Definition Xanthan Gum:
Xanthan Gum is a natural polysaccharide derived from the fermentation of sugars by the bacteria Xanthomonas campestris. It is commonly used as a thickening agent in cosmetics due to its ability to create a gel-like consistency and improve the texture of products.
2. Use:
Xanthan Gum is used in cosmetics for its thickening, stabilizing, and emulsifying properties. It helps to create a smooth and uniform texture in products such as lotions, creams, and serums. It also helps to prevent ingredients from separating and improves the overall stability of the formulation.
3. Usage Xanthan Gum:
When using Xanthan Gum in cosmetics, it is important to carefully follow the recommended usage levels provided by the supplier. Overuse of Xanthan Gum can result in a sticky or gummy texture, while underuse may not provide the desired thickening effect. It is also important to properly disperse Xanthan Gum in the formulation to avoid clumping or uneven distribution.
4. References:
- Silva, E. O., et al. (2018). Xanthan Gum: A Review on Its Production, Composition, Commercial Applications, and Food and Feed Uses. Food and Bioprocess Technology, 11(1), 195-229.
- Kaur, A., et al. (2020). Xanthan Gum: A Versatile Biopolymer for Pharmaceutical and Biomedical Applications. Journal of Polymers and the Environment, 28(7), 1541-1555.
- Li, Z., et al. (2019). Xanthan Gum and Its Applications in Drug Delivery: A Review. Carbohydrate Polymers, 217, 1-8.
Other Names: NaOH
Function: Denaturant , pH adjusting agent, pH adjusting agent
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
Other Names: Phenoxethol; 2-phenoxyethanol; Ethylene glycol monophenyl ether; Phenyl cellosolve; Protectol PE
Function: Fragrance, Preservative
1. Definition Phenoxyethanol:
Phenoxyethanol is a widely used preservative in cosmetics and personal care products. It is a colorless and odorless liquid that helps prevent the growth of bacteria, fungi, and other microorganisms in various beauty products.
2. Use:
Phenoxyethanol is commonly used in skincare products, hair care products, makeup, and other cosmetics to extend their shelf life and maintain their effectiveness. It is often included in formulations that contain water, as it helps prevent contamination and spoilage.
3. Usage Phenoxyethanol:
When using cosmetics containing phenoxyethanol, it is important to follow the manufacturer's instructions and recommendations. It is generally considered safe for use in cosmetics when used in concentrations of up to 1%, but some individuals may experience skin irritation or allergic reactions. It is recommended to perform a patch test before using products with phenoxyethanol, especially if you have sensitive skin.
4. References:
- Draelos, Z. D. (2010). Cosmetic Formulation of Skin Care Products. John Wiley & Sons.
- Loden, M., & Maibach, H. I. (2000). Dry Skin and Moisturizers: Chemistry and Function. CRC Press.
- Fiume, M. M., Heldreth, B., Bergfeld, W. F., Belsito, D. V., Hill, R. A., Klaassen, C. D., ... & Andersen, F. A. (2016). Safety assessment of phenoxyethanol as used in cosmetics. International Journal of Toxicology, 35(4), 386-419.
Function: Chelating Agent
1. Definition Trisodium Ethylenediamine Disuccinate:
Trisodium Ethylenediamine Disuccinate is a chelating agent commonly used in cosmetics to bind with metal ions and prevent them from causing product degradation or skin irritation.
2. Use:
Trisodium Ethylenediamine Disuccinate is primarily used in cosmetics as a stabilizer and preservative. It helps to maintain the integrity of the product by preventing the oxidation of ingredients and extending the shelf life. Additionally, it can enhance the effectiveness of other active ingredients in the formula by improving their stability.
3. Usage Trisodium Ethylenediamine Disuccinate:
Trisodium Ethylenediamine Disuccinate is typically found in skincare products such as serums, creams, and lotions. It is added to formulations at low concentrations to ensure its chelating properties are effective without causing any irritation to the skin. Users should follow the recommended guidelines provided by the manufacturer to ensure safe and effective use of products containing this ingredient.
4. References:
- "Safety Assessment of Trisodium Ethylenediamine Disuccinate as Used in Cosmetics" by the Cosmetic Ingredient Review Expert Panel
- "Evaluation of the skin sensitization potential of Trisodium Ethylenediamine Disuccinate" by the European Chemicals Agency
- "Trisodium Ethylenediamine Disuccinate: A Versatile Chelating Agent for Personal Care Applications" by Croda International PLC
Other Names: SD Alcohol; SD Alcohol 40; SD Alcohol 40B; Denatured Alcohol; Dehydrated Ethanol; Alcohol Denatured
Function: Solvent, Masking, Antifoaming Agent, Viscosity Controlling, Antimicrobial, Astringent
1. Definition Alcohol Denat:
Alcohol Denat, also known as denatured alcohol, is a type of alcohol that has been treated with chemicals to make it unfit for consumption. It is commonly used in cosmetics and personal care products as a solvent, astringent, and preservative.
2. Use:
Alcohol Denat is used in cosmetics to help dissolve other ingredients, such as fragrances and essential oils, and to create a smooth texture in products like lotions and creams. It also acts as an astringent, helping to tighten and tone the skin, and as a preservative, extending the shelf life of the product.
3. Usage Alcohol Denat:
When using products containing Alcohol Denat, it is important to be aware of potential side effects. Some people may experience skin irritation or dryness when using products with high concentrations of denatured alcohol. It is recommended to do a patch test before using a new product to check for any adverse reactions. Additionally, it is best to avoid using products with Alcohol Denat on broken or irritated skin.
4. References:
- "Denatured Alcohol in Cosmetics." Cosmetics Info, www.cosmeticsinfo.org/ingredient/denatured-alcohol.
- "Alcohol Denat." Paula's Choice Skincare, www.paulaschoice.com/ingredient-dictionary/skin-soothing/alcohol-denat.html.
- "Is Alcohol Denat Safe in Skin Care?" Byrdie, www.byrdie.com/alcohol-denat-in-skincare.
Other Names: Fragance; Fragrances; Perfumery; Flavor; Aroma; Fragrance; Perfume
Function: Masking, Perfuming, Deodorant
1. Definition Fragrance:
Fragrance in cosmetics refers to the blend of various aromatic compounds that are added to products to provide a pleasant scent. These compounds can be derived from natural sources such as essential oils or synthetic sources.
2. Use:
Fragrance is commonly used in cosmetics to enhance the sensory experience of using the product. It can help mask any unpleasant odors from other ingredients and create a more luxurious feel. Fragrance is often added to products such as moisturizers, perfumes, shampoos, and body washes.
3. Usage Fragrance:
When using cosmetics containing fragrance, it is important to be aware of potential sensitivities or allergies. Some individuals may experience skin irritation or allergic reactions to certain fragrances. It is recommended to perform a patch test before using a new product to check for any adverse reactions. Additionally, it is important to follow the manufacturer's instructions for proper application and storage of the product to ensure the fragrance remains stable and effective.
4. References:
- Steinemann, A. (2019). Fragranced consumer products: exposures and effects from emissions. Air Quality, Atmosphere & Health, 12(6), 643-645.
- Lachenmeier, D. W., & Haltner, E. (2019). Fragrance allergens in household cleaning products. Environmental Science and Pollution Research, 26(15), 15145-15147.
- Basketter, D. A., & Angelini, G. (2019). Fragrance allergens in fine fragrances and cosmetics. Contact Dermatitis, 80(3), 145-147.
