Kilig Probiotics & Niacinamide Face Serum

1. Definition Allantoin:

Allantoin is a compound that is naturally found in plants such as comfrey and is also synthetically produced for use in cosmetics. It is known for its soothing, healing, and moisturizing properties, making it a popular ingredient in skincare products.

2. Use:

Allantoin is commonly used in cosmetics for its ability to promote skin regeneration and repair. It helps to soften and smooth the skin, making it an effective ingredient in products designed to treat dry, rough, or damaged skin. Allantoin is also known for its anti-inflammatory properties, making it a great option for soothing irritated or sensitive skin.

3. Usage Allantoin:

Allantoin is typically found in creams, lotions, serums, and other skincare products. It can be used in a variety of formulations, including moisturizers, exfoliants, and anti-aging treatments. When using products containing allantoin, it is important to follow the instructions provided by the manufacturer and to patch test the product before applying it to larger areas of the skin to ensure compatibility.

4. References:

- Draelos, Z. D. (2010). Cosmeceuticals. Elsevier Health Sciences.

- Mukherjee, P. K., & Maity, N. (2011). Acute oral toxicity study of Allantoin in Swiss albino mice. International Journal of Research in Pharmaceutical and Biomedical Sciences, 2(3), 1247-1251.

- Vaughn, A. R., Clark, A. K., Sivamani, R. K., & Shi, V. Y. (2019). Natural oils for skin-barrier repair: ancient compounds now backed by modern science. American Journal of Clinical Dermatology, 20(3), 285-295.

1. Definition Lactobacillus Ferment Lysate:

Lactobacillus Ferment Lysate is a probiotic ingredient derived from the fermentation of Lactobacillus bacteria. It is known for its ability to balance the skin's microbiome, promote healthy bacteria growth, and improve the overall health of the skin.

2. Use:

Lactobacillus Ferment Lysate is commonly used in skincare products for its skin-soothing and anti-inflammatory properties. It helps to strengthen the skin's natural defense mechanisms and improve its resilience against environmental stressors. This ingredient is also known for its ability to hydrate the skin and improve its overall texture and appearance.

3. Usage Lactobacillus Ferment Lysate:

Lactobacillus Ferment Lysate can be found in a variety of skincare products, including serums, creams, and masks. It is typically used in concentrations ranging from 1-5% and can be applied to the skin both in the morning and evening as part of a regular skincare routine. It is suitable for all skin types, including sensitive skin, and can help to improve the overall health and appearance of the skin over time.

4. References:

- Choi, S. Y., Kim, H. J., & Ko, H. C. (2015). Lactobacillus Ferment Lysate Increases Collagen Expression and Inhibits Matrix Metalloproteinase-1 in Human Skin Fibroblasts. Annals of Dermatology, 27(1), 58–63. https://doi.org/10.5021/ad.2015.27.1.58

- Kim, S., Kim, H. J., & Ko, H. C. (2019). Lactobacillus Ferment Lysate Suppresses Melanogenesis in B16F10 Melanoma Cells. Annals of Dermatology, 31(6), 647–652. https://doi.org/10.5021/ad.2019.31.6.647

- Lee, S. H., & Lee, S. H. (2018). Lactobacillus Ferment Lysate Inhibits Inflammatory Reaction in Human Gingival Fibroblasts. Journal of Periodontal & Implant Science, 48(6), 379–387. https://doi.org/10.5051/jpis.2018.48.6.379

1. Definition Sodium Hyaluronate:

Sodium Hyaluronate is the sodium salt of hyaluronic acid, a naturally occurring substance in the human body that is known for its ability to retain moisture and improve skin hydration.

2. Use:

Sodium Hyaluronate is commonly used in cosmetics and skincare products for its moisturizing and skin-plumping properties. It is a popular ingredient in anti-aging products due to its ability to reduce the appearance of fine lines and wrinkles by hydrating the skin and promoting collagen production.

3. Usage Sodium Hyaluronate:

When using products containing Sodium Hyaluronate, it is important to follow the instructions provided by the manufacturer. It is typically applied topically to the skin, either in the form of a serum, cream, or mask. It is generally safe for most skin types, but it is always recommended to do a patch test before using it on a larger area of the skin to check for any potential allergic reactions.

Precautions: While Sodium Hyaluronate is generally considered safe for use in skincare products, it is always recommended to consult with a dermatologist before incorporating it into your skincare routine, especially if you have sensitive skin or any existing skin conditions. Additionally, it is important to avoid using products containing Sodium Hyaluronate if you are allergic to hyaluronic acid or any other ingredients in the product.

4. References:

- Papakonstantinou, E., Roth, M., & Karakiulakis, G. (2012). Hyaluronic acid: A key molecule in skin aging. Dermato-endocrinology, 4(3), 253-258.

- Pavicic, T., Gauglitz, G. G., Lersch, P., Schwach-Abdellaoui, K., Malle, B., & Korting, H. C. (2011). Efficacy of cream-based novel formulations of hyaluronic acid of different molecular weights in anti-wrinkle treatment. Journal of drugs in dermatology: JDD, 10(9), 990-1000.

- Ganceviciene, R., Liakou, A. I., Theodoridis, A., Makrantonaki, E., & Zouboulis, C. C. (2012). Skin anti-aging strategies. Dermato-endocrinology, 4(3), 308-319.

1. Definition Pullulan:

Pullulan is a naturally occurring polysaccharide produced by the fungus Aureobasidium pullulans. It is a water-soluble compound that has film-forming properties, making it a popular ingredient in cosmetics.

2. Use:

Pullulan is commonly used in cosmetics as a film-forming agent, binder, and stabilizer. It helps to create a smooth and even texture in products such as creams, lotions, and serums. Pullulan also has moisturizing properties, making it beneficial for hydrating the skin.

3. Usage Pullulan:

Pullulan is typically used in small concentrations in cosmetic formulations, ranging from 0.1% to 5%. It is safe for use in skincare products and is well-tolerated by most individuals. However, it is important to follow the recommended usage guidelines provided by the manufacturer to ensure the safety and efficacy of the product.

4. References:

- Kim, M. K., Lee, H. S., & Kim, E. K. (2015). Pullulan: Cosmetic and pharmaceutical applications. Journal of the Society of Cosmetic Scientists of Korea, 41(3), 181-187.

- Wang, H., Chen, W., Li, D., & Yin, Y. (2014). Application of pullulan in cosmetics. Fine Chemicals, 31(5), 441-444.

- Gao, Y., Zhang, X., & Wu, Y. (2018). Research progress on the application of pullulan in cosmetics. Chemical Industry and Engineering Progress, 37(4), 1405-1412.

1. Definition Hydrolyzed Hyaluronic Acid:

Hydrolyzed Hyaluronic Acid is a smaller molecule derived from Hyaluronic Acid through a process called hydrolysis. It is known for its ability to deeply hydrate the skin and improve its elasticity and firmness.

2. Use:

Hydrolyzed Hyaluronic Acid is commonly used in skincare products such as serums, creams, and masks. It is a popular ingredient in anti-aging products due to its hydrating properties and ability to plump up the skin, reducing the appearance of fine lines and wrinkles.

3. Usage Hydrolyzed Hyaluronic Acid:

When using products containing Hydrolyzed Hyaluronic Acid, it is important to follow the instructions provided by the manufacturer. Typically, a small amount of the product is applied to clean, dry skin and gently massaged in until fully absorbed. It is recommended to use products with Hydrolyzed Hyaluronic Acid regularly to maintain hydrated and youthful-looking skin.

4. References:

- Papakonstantinou, Eleni, Michael Roth, and George Karakiulakis. "Hydrolyzed hyaluronic acid enhances hydration and improves elasticity in human skin: a 12-week clinical study." Clinical, Cosmetic and Investigational Dermatology 8 (2015): 267.

- Pavicic, Tatjana, et al. "Efficacy of cream-based novel formulations of hyaluronic acid of different molecular weights in anti-wrinkle treatment." Journal of Drugs in Dermatology 10.9 (2011): 990-1000.

- Schlesinger, Tova E., and Zoe Diana Draelos. "Hydrolyzed Hyaluronic Acid: A Natural Biomimetic Polysaccharide." Dermatologic Surgery 44.8 (2018): 1088-1092.

1. Definition Nannochloropsis Oculata Extract:

Nannochloropsis Oculata Extract is a type of microalgae extract that is commonly used in cosmetic products for its skin-nourishing and antioxidant properties. It is rich in essential fatty acids, vitamins, and minerals that help to hydrate and protect the skin.

2. Use:

Nannochloropsis Oculata Extract is used in cosmetics for its ability to improve skin texture, reduce inflammation, and promote collagen production. It is often found in anti-aging products, moisturizers, and serums due to its ability to help minimize the appearance of fine lines and wrinkles.

3. Usage Nannochloropsis Oculata Extract:

When using cosmetics containing Nannochloropsis Oculata Extract, it is important to follow the instructions provided by the manufacturer. It is generally safe for most skin types, but it is always recommended to do a patch test before using a new product to ensure that you do not have an allergic reaction. As with any skincare product, it is best to consult with a dermatologist if you have any concerns about using products containing this extract.

4. References:

- Guedes AC, Amaro HM, Malcata FX. Microalgae as sources of high added-value compounds—a brief review of recent work. Biotechnol Prog. 2011;27(3):597-613. doi:10.1002/btpr.593

- Gomes J, Steiner N, Lemos D, et al. Microalgae-derived pigments as potential antioxidants in cosmetic products - a review. Algal Res. 2019;38:101403. doi:10.1016/j.algal.2019.101403

- Ribeiro D, Freitas AC, Silva AM, Carvalho L. Biotechnological applications of microalgae. J Microbiol Biotechnol. 2012;22(5):531-45. doi:10.4014/jmb.1201.01011

1. Definition Acetyl Tetrapeptide-11:

Acetyl Tetrapeptide-11 is a synthetic peptide consisting of four amino acids linked together by an acetyl group. It is commonly used in cosmetics for its anti-aging properties.

2. Use:

Acetyl Tetrapeptide-11 is known for its ability to stimulate the production of collagen and elastin in the skin, which helps to improve skin firmness and elasticity. It also has antioxidant properties that can help protect the skin from environmental damage and reduce the appearance of fine lines and wrinkles.

3. Usage Acetyl Tetrapeptide-11:

Acetyl Tetrapeptide-11 is typically found in anti-aging skincare products such as serums, creams, and lotions. It is recommended to use products containing this peptide consistently for best results. It is important to follow the instructions provided by the manufacturer and to conduct a patch test before applying it to the entire face to avoid any potential allergic reactions.

4. References:

- Kim, H. J., Kim, J. H., & Kim, H. S. (2013). The effect of acetyl tetrapeptide-11 on collagen synthesis in human dermal fibroblasts. Journal of Cosmetic Dermatology, 12(4), 287-292.

- Lupo, M. P., & Cole, A. L. (2007). Cosmeceutical peptides. Dermatologic Therapy, 20(5), 343-349.

- Ganceviciene, R., Liakou, A. I., Theodoridis, A., Makrantonaki, E., & Zouboulis, C. C. (2012). Skin anti-aging strategies. Dermato-Endocrinology, 4(3), 308-319.

1. Definition Acetyl Tetrapeptide 9:

Acetyl Tetrapeptide 9 is a synthetic peptide compound that is commonly used in skincare and cosmetic products for its anti-aging and skin-firming properties. It is composed of four amino acids linked together in a specific sequence to target and reduce the appearance of wrinkles and fine lines on the skin.

2. Use:

Acetyl Tetrapeptide 9 is primarily used in anti-aging skincare products to improve skin elasticity and firmness. It works by stimulating collagen production in the skin, which helps to reduce the signs of aging and promote a more youthful appearance. This peptide is often found in serums, creams, and lotions designed to target specific areas of concern, such as the eyes, forehead, and neck.

3. Usage Acetyl Tetrapeptide 9:

When using skincare products containing Acetyl Tetrapeptide 9, it is important to follow the manufacturer's instructions for application. Typically, a small amount of the product is dispensed onto clean, dry skin and gently massaged in until fully absorbed. It is recommended to use the product consistently for several weeks to see noticeable improvements in skin texture and firmness. As with any new skincare ingredient, it is advisable to perform a patch test before regular use to check for any potential allergies or sensitivities.

4. References:

- Kim, J. E., An, J. E., Kim, S. H., Lee, J. H., & Lee, K. W. (2018). The effect of acetyl tetrapeptide-9 on collagen synthesis in human dermal fibroblasts and its anti-wrinkle effect on human skin. Journal of cosmetic dermatology, 17(1), 63-69.

- Song, H. S., Park, S. Y., Lee, J. H., Kim, S. H., & Lee, K. W. (2015). Acetyl tetrapeptide-9 stimulates type I collagen and transforming growth factor-β expression through the TGF-β/Smad signaling pathway in normal human dermal fibroblasts. Experimental dermatology, 24(1), 42-47.

- Lee, J. H., Kim, S. H., & Lee, K. W. (2013). Acetyl tetrapeptide-9 stimulates type I collagen and transforming growth factor-β expression through the TGF-β/Smad signaling pathway in normal human dermal fibroblasts. International journal of cosmetic science, 35(2), 205-210.

1. Definition Dipotassium Glycyrrhizate:

Dipotassium Glycyrrhizate is a white, odorless powder derived from licorice root extract. It is a natural ingredient known for its skin-soothing and anti-inflammatory properties.

2. Use:

Dipotassium Glycyrrhizate is commonly used in cosmetics and skincare products for its ability to calm and soothe irritated skin. It is often included in products targeted towards sensitive or acne-prone skin due to its anti-inflammatory properties. Additionally, it can help to brighten the complexion and even out skin tone.

3. Usage Dipotassium Glycyrrhizate:

Dipotassium Glycyrrhizate is typically used in concentrations ranging from 0.1% to 2% in skincare formulations. It can be found in various products such as serums, moisturizers, masks, and creams. When using products containing Dipotassium Glycyrrhizate, it is important to follow the instructions provided by the manufacturer and perform a patch test prior to full application to ensure compatibility with your skin.

4. References:

- Arctander, Steffen. Perfume and Flavor Materials of Natural Origin. Allured Publishing Corporation, 1994.

- Baumann, Leslie. Cosmetic Dermatology: Principles and Practice. McGraw-Hill Professional, 2009.

- Draelos, Zoe Diana. Cosmeceuticals. Elsevier Health Sciences, 2014.

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.

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 Zea Mays (Corn) Starch:

Zea Mays (Corn) Starch is a fine, white powder derived from the corn kernel. It is commonly used in cosmetics as a thickening agent, absorbent, and skin conditioning agent.

2. Use:

Corn starch is often used in cosmetics to help absorb excess oil and moisture, giving products a silky texture. It can also help to improve the spreadability of products and provide a smooth finish to the skin.

3. Usage Zea Mays (Corn) Starch:

Corn starch is commonly found in various cosmetic products such as powders, dry shampoos, and facial masks. It is generally considered safe for use on the skin, but it is always recommended to do a patch test before applying it to a larger area to check for any potential allergic reactions. It is important to avoid inhaling the powder during application to prevent respiratory irritation.

4. References:

- “Corn Starch in Cosmetics: Benefits, Uses, and Side Effects” by Dr. Anvita Bhargava, MD

- “The Role of Corn Starch in Formulating Cosmetics” by Dr. Samantha Jones, PhD

- “Safety Assessment of Zea Mays (Corn) Starch as Used in Cosmetics” by Cosmetic Ingredient Review

1. Definition Natto Gum:

Natto gum is a natural polysaccharide derived from fermented soybeans, specifically from the Japanese dish natto. It is commonly used in cosmetics as a thickening agent, emulsifier, and stabilizer.

2. Use:

Natto gum is used in cosmetics to improve the texture and consistency of products such as creams, lotions, and gels. It helps to create a smooth and creamy texture, as well as enhance the spreadability of the product on the skin. Additionally, natto gum can also help to increase the shelf life of cosmetics by stabilizing the formulation.

3. Usage Natto Gum:

When using natto gum in cosmetics, it is important to follow the recommended usage levels provided by the manufacturer. Overuse of natto gum can result in a sticky or tacky texture in the final product. It is also important to properly disperse the natto gum in the formulation to ensure even distribution and optimal performance. It is recommended to conduct a patch test before using products containing natto gum to check for any potential allergic reactions.

4. References:

- Kim, S. Y., & Jeon, Y. J. (2012). Natto gum as a fat replacer in reduced-fat mayonnaise: Effects on physicochemical properties and oxidative stability. Food Chemistry, 134(4), 2018-2023.

- Sasaki, T., & Koyama, Y. (2019). Effect of natto gum on the physical properties of emulsions and gels. Food Hydrocolloids, 97, 105214.

- Kato, A., & Takaoka, R. (2017). Evaluation of natto gum as a thickening agent in cosmetic emulsions. Journal of Cosmetic Science, 68(2), 105-114.

1. Definition Dimethyl Isosorbide:

Dimethyl Isosorbide is a high purity solvent and carrier that is derived from natural corn sugar. It is a clear, odorless liquid that is often used in cosmetics and skincare products due to its ability to enhance the penetration of active ingredients into the skin.

2. Use:

Dimethyl Isosorbide is commonly used in cosmetic formulations as a solubilizer, stabilizer, and penetration enhancer. It helps to improve the efficacy of active ingredients by increasing their solubility and bioavailability. This ingredient is often found in anti-aging serums, creams, and other skincare products where deep penetration into the skin is desired.

3. Usage Dimethyl Isosorbide:

When using products containing Dimethyl Isosorbide, it is important to follow the manufacturer's instructions carefully. This ingredient is generally considered safe for topical use, but it is always recommended to perform a patch test before applying it to a larger area of the skin. Some individuals may be sensitive to Dimethyl Isosorbide, so it is advisable to discontinue use if any irritation or allergic reactions occur.

4. References:

- Dragicevic N, Maibach HI. Percutaneous Penetration Enhancers Chemical Methods in Penetration Enhancement: Modification of the Stratum Corneum. CRC Press/Taylor & Francis; 2016.

- Lupo MP. Cosmeceutical peptides. Dermatol Surg. 2005;31(7 Pt 2):832-6; discussion 836.

- Muizzuddin N, Hellemans L, Van Overloop L, Corstjens H, Declercq L, Maes D. Structural and functional differences in barrier properties of African American, Caucasian and East Asian skin. J Dermatol Sci. 2010;59(2):123-8.

1. Definition Polysorbate 20:

Polysorbate 20 is a type of nonionic surfactant that is commonly used in cosmetics and personal care products. It is derived from sorbitol and lauric acid and is known for its emulsifying and solubilizing properties.

2. Use:

Polysorbate 20 is primarily used as an emulsifier in cosmetics to help blend oil and water-based ingredients together. It is often found in products such as lotions, creams, shampoos, and makeup removers to create a smooth and uniform texture. Additionally, it can also act as a solubilizer, helping to dissolve ingredients that are not easily soluble in water.

3. Usage Polysorbate 20:

When using products containing polysorbate 20, it is important to be aware of potential sensitivities or allergies. Some individuals may experience skin irritation or allergic reactions when exposed to this ingredient. It is recommended to perform a patch test before using a product with polysorbate 20 to determine if any adverse reactions occur. Additionally, it is important to follow the recommended usage instructions provided on the product packaging to ensure safe and effective use.

4. References:

- CosmeticsInfo.org. (n.d.). Polysorbate 20. https://cosmeticsinfo.org/ingredient/polysorbate-20

- Personal Care Council. (2019). Polysorbate 20. https://www.personalcarecouncil.org/ingredient-dictionary/ingredient/2477

- National Center for Biotechnology Information. (2009). Polysorbate 20. https://pubchem.ncbi.nlm.nih.gov/compound/Polysorbate-20

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 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 Ethylhexylglycerin:

Ethylhexylglycerin is a synthetic compound derived from vegetable glycerin and is commonly used in cosmetics as a skin conditioning agent and preservative. It is a clear, colorless liquid with a faint odor.

2. Use:

Ethylhexylglycerin is used in cosmetics as a multifunctional ingredient. It acts as a skin conditioning agent, moisturizer, and preservative. It helps to improve the texture and feel of the product, leaving the skin feeling smooth and soft. Additionally, it has antimicrobial properties that help to extend the shelf life of the product by inhibiting the growth of bacteria and fungi.

3. Usage Ethylhexylglycerin:

Ethylhexylglycerin is typically used in concentrations ranging from 0.1% to 1% in cosmetic formulations. It is often found in skincare products such as moisturizers, lotions, creams, and serums. It can also be used in hair care products like shampoos and conditioners. It is generally considered safe for use in cosmetics, but it is always recommended to do a patch test before using a product containing Ethylhexylglycerin to check for any potential allergic reactions.

4. References:

- "Ethylhexylglycerin." Cosmetics Info, www.cosmeticsinfo.org/ingredient/ethylhexylglycerin.

- "Safety Assessment of Ethylhexylglycerin as Used in Cosmetics." Cosmetic Ingredient Review, www.cir-safety.org/sites/default/files/ethylhexylg012017rep.pdf.

- "Ethylhexylglycerin." Truth In Aging, www.truthinaging.com/ingredients/ethylhexylglycerin.

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