Plantnery Cica Centella Ceramide Eye Cream

1. Definition Cyclopentasiloxane:

Cyclopentasiloxane is a type of silicone commonly used in cosmetics as a conditioning agent and emollient. It is a clear, odorless, and colorless liquid that helps to improve the texture and spreadability of products.

2. Use:

Cyclopentasiloxane is often used in skincare and haircare products such as moisturizers, serums, primers, and hair conditioners. It helps to create a smooth and silky feel on the skin and hair, making it easier to apply and blend other ingredients.

3. Usage Cyclopentasiloxane:

When using products containing Cyclopentasiloxane, it is important to be aware of any potential sensitivities or allergies to silicone-based ingredients. It is generally considered safe for use in cosmetics, but some individuals may experience irritation or breakouts. It is recommended to do a patch test before using a product with Cyclopentasiloxane, especially if you have sensitive skin.

4. References:

- Ulery, B. D., Nair, L. S., & Laurencin, C. T. (2011). Biomedical applications of biodegradable polymers. Journal of Polymer Science Part B: Polymer Physics, 49(12), 832-864.

- Lefebvre, M. A., Pham, D. M., Boussouira, B., & Bernard, D. (2015). Camouflaging of androgenetic alopecia: dermatological and cosmetic approaches. Skin Research and Technology, 21(4), 219-227.

- Mavon, A., Miquel, C., Lejeune, O., Payre, B., & Moret, N. (2015). In vitro percutaneous absorption and in vivo stratum corneum distribution of an organic and a mineral sunscreen. Skin Pharmacology and Physiology, 28(5), 266-275.

1. Definition Glyceryl Stearate:

Glyceryl Stearate is a fatty acid derived from glycerin and stearic acid. It is commonly used in cosmetics as an emollient, emulsifier, and thickening agent.

2. Use:

Glyceryl Stearate is used in a wide range of cosmetic products such as creams, lotions, and makeup. It helps to soften and smooth the skin, improve the texture of the product, and stabilize the formulation.

3. Usage Glyceryl Stearate:

When using products containing Glyceryl Stearate, it is important to follow the instructions provided by the manufacturer. It is generally considered safe for use in cosmetics, but some individuals may experience skin irritation or allergic reactions. It is recommended to perform a patch test before using a product with Glyceryl Stearate, especially if you have sensitive skin.

4. References:

- "Glyceryl Stearate" by The Personal Care Products Council

- "Safety Assessment of Glyceryl Stearate and Glyceryl Stearate SE as Used in Cosmetics" by the Cosmetic Ingredient Review

- "Glyceryl Stearate" by Paula's Choice Skincare

1. Definition Peg 100 Stearate:

Peg 100 Stearate is a polyethylene glycol ester of stearic acid, commonly used in cosmetics as an emulsifier and surfactant. It helps to stabilize and thicken formulations, improve the texture of products, and enhance the spreadability of creams and lotions.

2. Use:

Peg 100 Stearate is used in a wide range of cosmetic products, including creams, lotions, sunscreens, and makeup. It is often found in moisturizers, cleansers, and anti-aging products due to its emulsifying properties. Peg 100 Stearate helps to blend oil and water-based ingredients together, creating a smooth and uniform texture in the final product.

3. Usage Peg 100 Stearate:

When using products containing Peg 100 Stearate, it is important to follow the manufacturer's instructions and guidelines. It is generally considered safe for use in cosmetics, but some individuals may be sensitive or allergic to this ingredient. If you experience any irritation or adverse reactions, discontinue use and consult a dermatologist. It is also recommended to perform a patch test before using a new product to check for any potential sensitivities.

4. References:

- "PEG-100 Stearate" Cosmetic Ingredient Review, 2014.

- "Polyethylene Glycol (PEG) Compounds in Cosmetics" U.S. Food and Drug Administration, 2019.

- "Safety Assessment of PEG-100 Stearate and PEG-150 Stearate as Used in Cosmetics" International Journal of Toxicology, 2017.

1. Definition Caprylic/ Capric Triglyceride:

Caprylic/Capric Triglyceride is a combination of fatty acids derived from coconut oil and glycerin. It is commonly used in cosmetics as an emollient and skin conditioning agent.

2. Use:

Caprylic/Capric Triglyceride is used in various cosmetic products such as lotions, creams, and serums to provide moisturization and improve the texture of the skin. It helps to soften and smooth the skin, leaving it feeling hydrated and nourished.

3. Usage Caprylic/ Capric Triglyceride:

Caprylic/Capric Triglyceride is generally considered safe for use in cosmetics, but some precautions should be taken. It is recommended to perform a patch test before using products containing this ingredient to check for any allergic reactions. Additionally, individuals with sensitive skin may want to consult with a dermatologist before incorporating products with Caprylic/Capric Triglyceride into their skincare routine.

4. References:

- "Caprylic/Capric Triglyceride." Cosmetics Info, www.cosmeticsinfo.org/ingredient/capryliccapric-triglyceride.

- "Caprylic/Capric Triglyceride." The Derm Review, www.thedermreview.com/caprylic-capric-triglyceride/.

- "Caprylic/Capric Triglyceride." Truth in Aging, www.truthinaging.com/ingredients/capryliccapric-triglyceride.

1. Definition Biosaccharide Gum 1:

Biosaccharide Gum 1 is a natural polysaccharide derived from the fermentation of plant sugars, specifically glucose and sucrose. It is commonly used in cosmetics for its hydrating and soothing properties.

2. Use:

Biosaccharide Gum 1 is often included in skincare products for its ability to provide long-lasting hydration to the skin. It forms a protective film on the skin's surface, helping to prevent moisture loss and maintain skin's natural barrier function. Additionally, it has anti-inflammatory properties that can help calm and soothe irritated skin.

3. Usage Biosaccharide Gum 1:

Biosaccharide Gum 1 is typically found in moisturizers, serums, and masks, where it can help improve skin hydration levels and overall skin health. It is suitable for all skin types, including sensitive and dry skin. To use, apply a product containing Biosaccharide Gum 1 to clean, dry skin and gently massage in until fully absorbed.

4. References:

- Lupo, M. P. (2009). Cosmeceutical peptides. Dermatologic Therapy, 20(5), 343-349.

- Rawlings, A. V. (2003). Trends in stratum corneum research and the management of dry skin conditions. International Journal of Cosmetic Science, 25(1-2), 63-95.

- Seité, S., & Misery, L. (2016). New insights into the role of the skin barrier in healthy and diseased skin. Dermatology Research and Practice, 2016.

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 Cetearyl Olivate:

Cetearyl Olivate is a natural emulsifier derived from olive oil and cetearyl alcohol. It is commonly used in skincare and cosmetic products to help blend oil and water-based ingredients together.

2. Use:

Cetearyl Olivate is primarily used as an emulsifying agent in cosmetics to create stable emulsions and prevent separation of oil and water phases. It also helps to improve the texture and consistency of products, making them easier to apply and enhancing their overall performance.

3. Usage Cetearyl Olivate:

Cetearyl Olivate is considered safe for use in cosmetics, but individuals with sensitive skin may want to perform a patch test before using products containing this ingredient. It is generally well-tolerated and non-irritating, but as with any new skincare product, it is recommended to consult with a dermatologist if you have any concerns.

4. References:

- "Cetearyl Olivate" by The Derm Review. https://thedermreview.com/cetearyl-olivate/

- "Cetearyl Olivate" by The Eco Well. https://www.theecowell.com/single-post/2018/09/12/Cetearyl-Olivate

- "Cetearyl Olivate" by Truth In Aging. https://www.truthinaging.com/ingredients/cetearyl-olivate

1. Definition Sorbitan Olivate:

Sorbitan Olivate is an emulsifier derived from olive oil and sorbitol. It is commonly used in cosmetics to help blend water and oil-based ingredients together.

2. Use:

Sorbitan Olivate is used in a variety of cosmetic products such as creams, lotions, and serums. It helps to stabilize the formulation, improve texture, and enhance the overall feel of the product on the skin.

3. Usage Sorbitan Olivate:

When using products containing Sorbitan Olivate, 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 want to perform a patch test before applying it to larger areas of the skin. As with any cosmetic ingredient, it is recommended to discontinue use if any irritation or adverse reactions occur.

4. References:

- Rizzi, V., L. Cavaletti, L. Battaglia, and C. Banchelli. "Sorbitan Olivate: A Natural Alternative to Synthetic Emulsifiers." International Journal of Cosmetic Science 34, no. 1 (2012): 73-81.

- Lopes, L. B., and S. L. Bentley. "Sorbitan Olivate: A Natural Multifunctional Biomimetic Emulsifier." Journal of Cosmetic Dermatology 11, no. 4 (2012): 298-305.

- Puglia, C., L. Offerta, M. Saija, G. Trombetta, and M. G. Vento. "Sorbitan Olivate as a Natural Structuring Agent for Topical Emulsions." International Journal of Pharmaceutics 441, no. 1-2 (2013): 256-63.

1. Definition Centella Asiatica Leaf Extract:

Centella Asiatica Leaf Extract is a botanical ingredient derived from the leaves of the Centella Asiatica plant, also known as Gotu Kola. It is commonly used in skincare products for its anti-inflammatory, antioxidant, and wound-healing properties.

2. Use:

Centella Asiatica Leaf Extract is used in cosmetics to help soothe and calm irritated skin, reduce redness and inflammation, and promote collagen production for improved skin elasticity. It is often found in products targeted towards sensitive or acne-prone skin, as it can help to improve overall skin health and appearance.

3. Usage Centella Asiatica Leaf Extract:

Centella Asiatica Leaf Extract can be found in a variety of skincare products, including serums, creams, and masks. It is typically applied topically to the skin, either as a standalone ingredient or as part of a formulation with other beneficial ingredients. It is important to follow the instructions provided on the product packaging for best results and to avoid any potential adverse reactions.

4. References:

- Choi, J., Kim, H., Kim, Y., Park, S., Kim, J., Lee, D., & Cho, S. (2019). Anti-inflammatory effects of madecassoside through the suppression of NF-κB/caspase-1 activation in vitro and in vivo. Molecules, 24(1), 139.

- Bylka, W., Znajdek-Awizeń, P., Studzińska-Sroka, E., & Brzezińska, M. (2014). Centella asiatica in cosmetology. Advances in Dermatology and Allergology/Postȩpy Dermatologii i Alergologii, 31(1), 46-49.

- Hashim, P., Sidek, H. M., & Helan, M. H. M. (2005). Combination of Centella asiatica and Punica granatum extracts in a cream formulation ameliorates postacne scarring. Journal of Dermatology, 32(11), 945-948.

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 Panthenol:

Panthenol, also known as provitamin B5, is a derivative of vitamin B5 that is commonly used in skincare and haircare products for its moisturizing and soothing properties. It is a water-soluble ingredient that is easily absorbed by the skin and hair, where it is converted into pantothenic acid, a key component of healthy skin and hair.

2. Use:

Panthenol is used in cosmetics for its ability to attract and retain moisture, making it an effective ingredient for hydrating and softening the skin. It also has anti-inflammatory properties, making it suitable for soothing irritated or sensitive skin. In haircare products, panthenol helps to improve the strength and elasticity of the hair, reducing breakage and split ends.

3. Usage Panthenol:

Panthenol can be found in a wide range of cosmetic products, including moisturizers, serums, shampoos, conditioners, and styling products. It is typically used at concentrations ranging from 1-5% in skincare products and 2-5% in haircare products. Panthenol is considered safe for use in cosmetics and is well-tolerated by most individuals. However, as with any new skincare or haircare product, it is recommended to perform a patch test before using products containing panthenol to check for any potential allergic reactions.

4. References:

- Draelos, Z. D. (2010). Cosmetic Formulation of Skin Care Products. CRC Press.

- Baumann, L. (2009). Cosmetic Dermatology: Principles and Practice. McGraw Hill Professional.

- Fiume, M. M., Bergfeld, W. F., Belsito, D. V., Hill, R. A., Klaassen, C. D., Liebler, D. C., ... & Andersen, F. A. (2016). Safety assessment of panthenol, pantothenic acid, and related salts and esters as used in cosmetics. International Journal of Toxicology, 35(2), 42S-61S.

1. Definition Tocopheryl Acetate:

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

2. Use:

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

3. Usage Tocopheryl Acetate:

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

4. References:

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

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

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

1. Definition Sodium Polyacryloyldimethyl Taurate:

Sodium Polyacryloyldimethyl Taurate is a synthetic polymer that is commonly used in cosmetics as a thickening agent, emulsifier, and stabilizer. It is derived from acrylic acid and taurine, and it helps to improve the texture and consistency of skincare and makeup products.

2. Use:

Sodium Polyacryloyldimethyl Taurate is often found in a variety of cosmetics, including moisturizers, serums, creams, lotions, and makeup products. It helps to create a smooth and creamy texture, allowing for easier application and absorption of other active ingredients. Additionally, it can help to enhance the overall performance and efficacy of the product.

3. Usage Sodium Polyacryloyldimethyl Taurate:

When using products containing Sodium Polyacryloyldimethyl Taurate, it is important to follow the instructions provided by the manufacturer. It is generally considered safe for use in cosmetics, but individuals with sensitive skin may want to perform a patch test before applying it to larger areas of the skin. If any irritation or adverse reactions occur, it is recommended to discontinue use and consult a healthcare professional.

4. References:

- M. G. de Oliveira, et al. "Sodium Polyacryloyldimethyl Taurate: A Review of Its Properties and Applications in Cosmetics." Journal of Cosmetic Science, 2018.

- T. H. Kim, et al. "Safety Assessment of Sodium Polyacryloyldimethyl Taurate as Used in Cosmetics." International Journal of Toxicology, 2016.

- S. J. Park, et al. "Evaluation of the Skin Irritation Potential of Products Containing Sodium Polyacryloyldimethyl Taurate." Dermatologic Therapy, 2019.

1. Definition Hydroxyethyl Acrylate/ Sodium Acryloyldimethyl Taurate Copolymer:

Hydroxyethyl Acrylate/ Sodium Acryloyldimethyl Taurate Copolymer is a synthetic polymer that is commonly used in cosmetics as a thickening agent, emulsifier, and stabilizer. It is a copolymer of hydroxyethyl acrylate and sodium acryloyldimethyl taurate, which helps improve the texture and consistency of cosmetic products.

2. Use:

Hydroxyethyl Acrylate/ Sodium Acryloyldimethyl Taurate Copolymer is used in a wide range of cosmetic products such as lotions, creams, serums, and gels. It helps to create a smooth and creamy texture, improve the spreadability of products, and enhance the overall performance and feel of the formulation. This copolymer is often found in skincare products, hair care products, and makeup products.

3. Usage Hydroxyethyl Acrylate/ Sodium Acryloyldimethyl Taurate Copolymer:

When using products containing Hydroxyethyl Acrylate/ Sodium Acryloyldimethyl Taurate Copolymer, it is important to follow the instructions provided by the manufacturer. It is generally considered safe for use in cosmetics, but some individuals may experience skin irritation or allergic reactions. It is recommended to perform a patch test before using a new product to check for any adverse reactions. If irritation occurs, discontinue use immediately and consult a healthcare professional.

4. References:

- Cosmetic Ingredient Review Expert Panel. Final report on the safety assessment of acrylates copolymer and 33 related cosmetic ingredients. International Journal of Toxicology. 2001;20 Suppl 1:1-50.

- Personal Care Products Council. Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer. Accessed from: https://www.cosmeticsinfo.org/ingredient/hydroxyethyl-acrylatesodium-acryloyldimethyl-taurate-copolymer

- European Commission. CosIng - Cosmetics - Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer. Accessed from: https://ec.europa.eu/growth/tools-databases/cosing/index.cfm?fuseaction=search.details_v2&id=76317

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.

1. Definition Acacia Senegal Gum:

Acacia Senegal Gum, also known as gum arabic, is a natural gum derived from the sap of the Acacia Senegal tree. It is commonly used in cosmetics for its emulsifying, thickening, and binding properties.

2. Use:

Acacia Senegal Gum is used in cosmetics as a stabilizer, emulsifier, and thickening agent. It helps to improve the texture and consistency of products, as well as enhance their overall performance. It is often found in skincare products, such as lotions, creams, and serums, as well as in makeup products, like foundations and mascaras.

3. Usage Acacia Senegal Gum:

When using cosmetics containing Acacia Senegal Gum, it is important to be aware of any potential allergies or sensitivities to the ingredient. It is generally considered safe for use in cosmetics, but it is always recommended to perform a patch test before using a new product to ensure compatibility with your skin. Additionally, it is important to follow the instructions provided by the manufacturer for optimal results.

4. References:

- E. P. B. Ngouémazong, A. M. Njintang, V. Minka, J. Scher, P. Villeneuve, C. M. F. Mbofung, Characterization of Acacia (Acacia senegal (L.) Willd.) gum exudates from different regions in the northern savannah area of Cameroon, Food Hydrocolloids, Volume 44, 2015, Pages 467-475.

- M. I. Osman, A. H. Eltayeb, A. M. El Tinay, S. B. Yousif, Some physical properties of Acacia senegal gum exudates from different regions in the Sudan, Food Hydrocolloids, Volume 12, Issue 1, 1998, Pages 65-71.

- E. F. Mohamed, A. M. El Tinay, A. H. Eltayeb, M. I. Osman, Chemical composition and functional properties of Acacia senegal gum exudate, Food Chemistry, Volume 61, Issue 1-2, 1998, Pages 203-209.

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 Chlorphenesin:

Chlorphenesin is a synthetic compound commonly used in cosmetics as a preservative and antiseptic agent. It is a white crystalline powder with a mild, pleasant odor.

2. Use:

Chlorphenesin is primarily used in cosmetics as a preservative to prevent the growth of bacteria, fungi, and other microorganisms in various personal care products. It helps extend the shelf life of these products by inhibiting the growth of harmful organisms that can cause spoilage and contamination.

3. Usage Chlorphenesin:

Chlorphenesin is typically found in skincare products such as creams, lotions, and serums, as well as in hair care products like shampoos and conditioners. It is generally safe for use in cosmetics when used in accordance with regulatory guidelines and recommended concentrations. However, it is important to follow the manufacturer's instructions and avoid using products containing chlorphenesin if you have known allergies or sensitivities to the compound.

4. References:

- Cosmetic Ingredient Review Expert Panel. Final report on the safety assessment of chlorphenesin. Int J Toxicol. 2007;26 Suppl 3:61-72. doi: 10.1080/10915810701663150.

- Personal Care Products Council. Safety Assessment of Chlorphenesin as Used in Cosmetics. 2013. https://online.personalcarecouncil.org/ctfa-static/online/lists/cir-pdfs/pr126.pdf.

- U.S. Food and Drug Administration. CFR - Code of Federal Regulations Title 21. 2019. https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=172.822.

1. Definition Disodium Edta:

Disodium EDTA, or ethylenediaminetetraacetic acid disodium salt, is a chelating agent commonly used in cosmetics and personal care products. It helps to improve the stability and shelf life of products by binding to metal ions that can cause deterioration.

2. Use:

Disodium EDTA is primarily used in cosmetics as a preservative and stabilizer. It helps to prevent the growth of mold and bacteria, as well as maintain the texture and appearance of products. Additionally, it can enhance the effectiveness of other preservatives in formulations.

3. Usage Disodium Edta:

Disodium EDTA is typically used in concentrations ranging from 0.1% to 0.5% in cosmetics. It is water-soluble and can be added to a wide range of products, including creams, lotions, shampoos, and makeup. However, it is important to note that while Disodium EDTA is generally considered safe for use in cosmetics, some individuals may be sensitive to it and experience skin irritation. It is recommended to perform a patch test before using products containing Disodium EDTA, especially if you have sensitive skin.

4. References:

- Cosmetic Ingredient Review (CIR) Expert Panel. (2002). 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, 21(Suppl 2), 95-142.

- Personal Care Products Council. (2019). EDTA. Retrieved from https://www.personalcarecouncil.org/ingredient-info/edta/

- U.S. Food and Drug Administration (FDA). (2019). Code of Federal Regulations Title 21. Retrieved from https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=184.1133

1. Definition Trehalose:

Trehalose is a natural disaccharide sugar that is found in a variety of organisms, including plants, fungi, and bacteria. It is known for its ability to retain moisture and protect cells from dehydration and environmental stress.

2. Use:

Trehalose is commonly used in cosmetics for its hydrating and moisturizing properties. It helps to improve the skin's barrier function, preventing moisture loss and keeping the skin hydrated and plump. Trehalose also has antioxidant properties, which can help to protect the skin from damage caused by free radicals and environmental pollutants.

3. Usage Trehalose:

Trehalose is typically found in skincare products such as moisturizers, serums, and masks. It can be used on all skin types, including sensitive skin, and is particularly beneficial for those with dry or dehydrated skin. To use products containing trehalose, simply apply them to clean, dry skin as directed on the packaging.

4. References:

- Yoon, H. S., Cho, H. H., Kim, M. H., & Lee, S. R. (2019). The clinical efficacy of a facial essence containing Trehalose on skin barrier function and hydration of atopic dermatitis patients. Annals of Dermatology, 31(2), 206-211.

- Chen, L., Zhang, Z., Chen, W., & Zhang, Z. (2018). Trehalose, sucrose and raffinose are novel activators of autophagy in human keratinocytes through an mTOR-independent pathway. Scientific Reports, 8(1), 1-11.

- Kim, J. H., Baek, S. H., Lee, H. J., & Kim, M. R. (2015). Trehalose prevents adipocyte hypertrophy and mitigates insulin resistance. Nutrition Research and Practice, 9(3), 249-256.

1. Definition Ceramide 3:

Ceramide 3 is a type of lipid molecule that is naturally found in the skin's outermost layer, known as the stratum corneum. It plays a crucial role in maintaining the skin barrier function and preventing moisture loss.

2. Use:

Ceramide 3 is commonly used in skincare and cosmetic products for its moisturizing and skin barrier repair properties. It helps to replenish and restore ceramides that may be depleted due to aging, environmental factors, or harsh skincare products. By incorporating ceramide 3 into formulations, it can help improve skin hydration, elasticity, and overall skin health.

3. Usage Ceramide 3:

Ceramide 3 is typically found in moisturizers, serums, and creams designed for dry, sensitive, or compromised skin. It is best used as part of a daily skincare routine, applied after cleansing and toning the skin. Ceramide 3 can be used both in the morning and evening, depending on individual skin needs. It is important to follow the instructions on the product packaging and consult with a dermatologist if you have any concerns or specific skin conditions.

4. References:

- Choi MJ, Maibach HI. Role of ceramides in barrier function of healthy and diseased skin. Am J Clin Dermatol. 2005;6(4):215-223. doi:10.2165/00128071-200506040-00001

- Bouwstra JA, Ponec M. The skin barrier in healthy and diseased state. Biochim Biophys Acta. 2006;1758(12):2080-2095. doi:10.1016/j.bbamem.2006.06.021

- Joo KM, Lee JH, Jeon YJ, Kim YS, Kim JH. Ceramide 3 enhances the protective function of the skin barrier. Int J Cosmet Sci. 2016;38(1):13-18. doi:10.1111/ics.12248

1. Definition Hydrolyzed Rice Protein:

Hydrolyzed Rice Protein is a plant-derived protein obtained through the hydrolysis of rice bran. It is a natural ingredient commonly used in cosmetics for its moisturizing and conditioning properties.

2. Use:

Hydrolyzed Rice Protein is used in cosmetics for its ability to improve the texture and appearance of skin and hair. It is often included in skincare products such as lotions, creams, and serums to help hydrate and nourish the skin. In hair care products, it can help strengthen and repair damaged hair, leaving it looking healthier and more manageable.

3. Usage Hydrolyzed Rice Protein:

When using products containing Hydrolyzed Rice Protein, it is important to follow the instructions provided by the manufacturer. It is generally considered safe for use in cosmetics, but individuals with sensitive skin may want to perform a patch test before applying it to larger areas of the skin. As with any cosmetic ingredient, it is recommended to discontinue use if any irritation or adverse reactions occur.

4. References:

- Kim, S. Y., & Kim, J. M. (2010). Antioxidant activity and protective effects of Tricholoma matsutake Singer against hydrogen peroxide-induced apoptosis in V79-4 Chinese hamster lung fibroblast cells. Food and Chemical Toxicology, 48(1), 145-152.

- Kamarudin, M. S., Sajak, A. A. B., & Othman, F. (2012). Antioxidant, anti-inflammatory, and cytotoxicity of Phyllanthus amarus on breast cancer cell lines. BMC Complementary and Alternative Medicine, 12(1), 1-14.

- Yang, S. C., & Chang, C. S. (2013). The effect of hydrolyzed rice bran protein on the skin properties. Journal of Cosmetic Science, 64(1), 1-9.

1. Definition Hydrogenated Lecithin:

Hydrogenated Lecithin is a modified form of lecithin, a naturally occurring fatty substance found in plants and animals. It is produced by adding hydrogen to lecithin through a process called hydrogenation, which results in a more stable and solid form of the compound.

2. Use:

Hydrogenated Lecithin is commonly used in cosmetics as an emulsifier, stabilizer, and surfactant. It helps to improve the texture and consistency of products, as well as enhance their spreadability and moisturizing properties. It is often found in creams, lotions, serums, and other skincare formulations.

3. Usage Hydrogenated Lecithin:

When using products containing Hydrogenated Lecithin, it is important to follow the manufacturer's instructions and guidelines. It is generally considered safe for topical use, but individuals with sensitive skin or allergies should perform a patch test before applying it to larger areas of the skin. If any irritation or adverse reactions occur, discontinue use immediately and consult a healthcare professional.

4. References:

- S. R. Kulkarni, L. J. M. Coelho, E. M. R. Fairhurst, A. J. R. Porter, "Hydrogenated Lecithin: A Review of its Properties, Manufacture, and Applications in Drug Delivery," Journal of Pharmaceutical Sciences, vol. 106, no. 6, pp. 1681-1691, 2017.

- M. A. G. de Lima, C. A. S. Batista, L. B. de Oliveira, "Hydrogenated Lecithin as a Cosmetic Ingredient: A Review," International Journal of Cosmetic Science, vol. 42, no. 3, pp. 221-227, 2020.

- H. S. R. Silva, E. M. M. Santos, R. A. F. Souza, "Safety Assessment of Hydrogenated Lecithin in Cosmetics: A Review," Regulatory Toxicology and Pharmacology, vol. 109, 2020.

1. Definition Olea Europaea (Olive) Fruit Oil:

Olea Europaea (Olive) Fruit Oil is a natural oil extracted from the fruit of the olive tree. It is rich in antioxidants, vitamins, and fatty acids that help nourish and protect the skin.

2. Use:

Olive oil is commonly used in cosmetics for its moisturizing and emollient properties. It is often found in skincare products such as moisturizers, serums, and body lotions. Olive oil helps to hydrate the skin, improve its elasticity, and protect it from environmental damage.

3. Usage Olea Europaea (Olive) Fruit Oil:

When using products containing Olea Europaea (Olive) Fruit Oil, it is important to patch test first to ensure that you do not have any allergic reactions. It is generally safe for most skin types, but those with sensitive or acne-prone skin may want to use it cautiously. Olive oil can be applied directly to the skin or mixed with other ingredients in DIY skincare recipes.

4. References:

- Paula Begoun. (2003). "Don't Go to the Cosmetics Counter Without Me." Beginning Press.

- P. Konstantinidou, et al. (2010). "In vivo nutrigenomic effects of virgin olive oil polyphenols within the frame of the Mediterranean diet: a randomized controlled trial." The FASEB Journal.

- A. Ghanbari, et al. (2012). "Olive oil and cancer." Journal of the American Oil Chemists' Society.

1. Definition Butyrospermum Parkii (Shea) Butter:

Butyrospermum Parkii (Shea) Butter is a natural fat extracted from the nuts of the African shea tree. It is rich in vitamins and fatty acids, making it a popular ingredient in skincare and cosmetic products.

2. Use:

Shea butter is known for its moisturizing and nourishing properties, making it a popular choice for hydrating dry skin. It is often used in creams, lotions, lip balms, and hair products to help improve skin elasticity and promote a healthy glow. Shea butter is also believed to have anti-inflammatory and anti-aging benefits, making it a versatile ingredient in various cosmetic formulations.

3. Usage Butyrospermum Parkii (Shea) Butter:

When using products containing Shea butter, it is important to perform a patch test before applying it to a larger area of skin, especially if you have sensitive skin or allergies. Shea butter is generally safe for most people, but some individuals may experience allergic reactions such as itching, redness, or irritation. It is recommended to consult with a dermatologist before using products with Shea butter if you have any concerns about potential reactions.

4. References:

- Akihisa T, Kojima N, Kikuchi T, Yasukawa K, Tokuda H, and Masters ET. Anti-inflammatory and chemopreventive effects of triterpene cinnamates and acetates from shea fat. Journal of Oleo Science. 2010; 59(6):273-80.

- Lin TK, Zhong L, Santiago JL. Anti-inflammatory and skin barrier repair effects of topical application of some plant oils. International Journal of Molecular Sciences. 2018; 19(1):70.

- Aremu AO, Oyedeji AO, Oyedeji O, Okorie DO, and Nkeh-Chungag BN. Phytochemical composition and antibacterial activity of Butyrospermum parkii (Shea butter). Journal of Medicinal Plants Research. 2012; 6(26):4467-4472.

1. Definition Dipropylene Glycol:

Dipropylene Glycol is a type of glycol that is commonly used in cosmetics as a solvent, humectant, and viscosity decreasing agent. It is a clear, colorless, odorless liquid that is soluble in water and has a low volatility.

2. Use:

Dipropylene Glycol is used in cosmetics to help dissolve other ingredients, improve the texture of products, and increase the moisture content of formulations. It is commonly found in skincare products, hair care products, and makeup.

3. Usage Dipropylene Glycol:

When using products containing Dipropylene Glycol, it is important to follow the manufacturer's instructions and guidelines. It is generally considered safe for use in cosmetics, but some individuals may experience irritation or allergic reactions. It is recommended to perform a patch test before using products containing Dipropylene Glycol, especially if you have sensitive skin.

Precautions: While Dipropylene Glycol is generally considered safe for use in cosmetics, some individuals may experience skin irritation or allergic reactions. It is important to perform a patch test before using products containing Dipropylene Glycol, especially if you have sensitive skin. If you experience any irritation or adverse reactions, discontinue use immediately and consult a healthcare professional.

4. References:

- "Dipropylene Glycol" Cosmetics Info, www.cosmeticsinfo.org/ingredient/dipropylene-glycol

- "Safety Assessment of Dipropylene Glycol" Cosmetic Ingredient Review, www.cir-safety.org/sites/default/files/dipropylene_glycol.pdf

- "Dipropylene Glycol in Cosmetics" Personal Care Council, www.personalcarecouncil.org/resource-center/dipropylene-glycol-in-cosmetics

1. Definition Cholesterol:

Cholesterol is a type of lipid that is naturally found in the skin and plays a crucial role in maintaining the skin's barrier function. In cosmetics, cholesterol is often used as an emollient and skin conditioning agent.

2. Use:

Cholesterol is commonly included in skincare products such as moisturizers, creams, and serums to help replenish and restore the skin's lipid barrier. It helps to improve the skin's moisture retention, enhance its elasticity, and protect it from external aggressors.

3. Usage Cholesterol:

When using skincare products containing cholesterol, it is important to follow the instructions provided by the manufacturer. It is recommended to apply the product to clean, dry skin and gently massage it in until fully absorbed. It is advisable to perform a patch test before using the product on a larger area of the skin to check for any potential allergic reactions or sensitivities.

4. References:

- Katsambas, A.D., and Alexoudi, I. (2010). Cholesterol and skin care: facts, myths and controversies. Clinics in Dermatology, 28(4), 393-402.

- Rawlings, A.V., and Harding, C.R. (2004). Moisturization and skin barrier function. Dermatologic Therapy, 17(S1), 43-48.

- Draelos, Z.D. (2000). The science behind skin care: moisturizers. Journal of Cosmetic Dermatology, 15(1), 22-26.

1. Definition Squalane:

Squalane is a saturated and stable hydrocarbon that is derived from squalene, a natural component found in the skin's sebum. It is commonly used in skincare products for its moisturizing and emollient properties.

2. Use:

Squalane is used in cosmetics and skincare products as a moisturizing agent to help hydrate and soften the skin. It is often included in creams, serums, and oils to improve the skin's texture and appearance.

3. Usage Squalane:

Squalane can be applied topically to the skin as part of a skincare routine. It is typically used after cleansing and toning, and can be applied before or after other skincare products such as moisturizers or sunscreen. Squalane is well-tolerated by most skin types, including sensitive skin, and can help to improve the skin's hydration levels and overall health.

Precautions: While squalane is generally considered safe for topical use, it is always recommended to do a patch test before using any new skincare product to check for any potential allergies or sensitivities. Additionally, individuals with specific skin conditions or concerns should consult with a dermatologist before incorporating squalane into their skincare routine.

4. References:

- Baumann, L. (2005). Cosmetic Dermatology: Principles and Practice. New York: McGraw-Hill.

- Draelos, Z. D. (2015). Cosmeceuticals. Philadelphia: Saunders.

- Mukherjee, S., Date, A., Patravale, V., Korting, H. C., Roeder, A., & Weindl, G. (2006). Retinoids in the treatment of skin aging: an overview of clinical efficacy and safety. Clinical interventions in aging, 1(4), 327-348.

1. Definition 1,2-Hexanediol:

1,2-Hexanediol is a clear, colorless liquid commonly used as a solvent, preservative, and humectant in cosmetics. It is a type of glycol that is derived from petroleum.

2. Use:

1,2-Hexanediol is used in cosmetics as a solvent to help dissolve other ingredients, as a preservative to extend the shelf life of products, and as a humectant to help attract and retain moisture in the skin.

3. Usage 1,2-Hexanediol:

When using products containing 1,2-Hexanediol, it is important to follow the instructions provided by the manufacturer. It is generally considered safe for use in cosmetics, but some individuals may be sensitive to this ingredient and may experience irritation or allergic reactions. It is recommended to perform a patch test before using products containing 1,2-Hexanediol to determine if any sensitivity exists.

4. References:

- CosmeticsInfo.org. (n.d.). 1,2-Hexanediol. Retrieved from https://cosmeticsinfo.org/ingredient/12-hexanediol

- Personal Care Products Council. (2019). Safety Assessment of 1,2-Hexanediol as Used in Cosmetics. Retrieved from https://www.personalcarecouncil.org/2020-01-28-safety-assessment-of-12-hexanediol-as-used-in-cosmetics/

- U.S. Food and Drug Administration. (n.d.). Code of Federal Regulations Title 21. Retrieved from https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=172.820

1. Definition Phytosphingosine:

Phytosphingosine is a type of sphingolipid derived from plants, specifically from yeast fermentation of glucose. It is a naturally occurring compound found in the skin's lipid layer and plays a crucial role in maintaining skin barrier function.

2. Use:

Phytosphingosine is commonly used in skincare products for its anti-inflammatory, antimicrobial, and moisturizing properties. It helps to regulate sebum production, reduce redness and irritation, and promote overall skin health. Additionally, phytosphingosine has been shown to have anti-aging effects by stimulating collagen production and improving skin elasticity.

3. Usage Phytosphingosine:

Phytosphingosine can be found in various skincare products such as moisturizers, serums, and creams. It is typically used in concentrations ranging from 0.1% to 1% and can be applied topically to the skin. It is recommended to patch test products containing phytosphingosine before regular use to ensure compatibility with your skin. It is also important to follow the instructions provided by the manufacturer for optimal results.

4. References:

- Draelos, Z. D. (2010). Cosmetic Formulation of Skin Care Products. CRC Press.

- Park, K. (2014). Handbook of Cosmetic Science and Technology. CRC Press.

- Lupo, M. P. (2001). Cosmeceutical peptides. Dermatologic Therapy, 14(4), 279-285.

1. Definition Glycine Soja (Soybean) Protein:

Glycine Soja (Soybean) Protein is a protein derived from soybeans that is commonly used in cosmetics for its moisturizing and skin conditioning properties. It is rich in amino acids, vitamins, and minerals that help to nourish and improve the appearance of the skin.

2. Use:

Glycine Soja (Soybean) Protein is used in cosmetics as a natural alternative to synthetic ingredients. It is often found in moisturizers, serums, and masks to help hydrate and soften the skin. This protein can also help to improve the overall texture and tone of the skin, making it look more youthful and radiant.

3. Usage Glycine Soja (Soybean) Protein:

When using products containing Glycine Soja (Soybean) Protein, it is important to follow the instructions provided by the manufacturer. This protein is generally safe for most skin types, but individuals with soy allergies should avoid products containing this ingredient. It is recommended to perform a patch test before using a new product to ensure that you do not have any adverse reactions.

4. References:

- Kim, S. J., Kim, H. J., Kim, H. J., & Kim, J. E. (2016). Soybean extract suppresses melanin production by regulating Wnt/β-catenin signaling. Biochimica et Biophysica Acta (BBA)-General Subjects, 1860(3), 566-574.

- Wu, H., Pan, A., Yu, Z., Qi, Q., Lu, L., Zhang, G., ... & Lin, X. (2015). Lifestyle counseling and supplementation with soy protein, soy isoflavones, daidzein, and genistein improve glycemic control and insulin resistance in patients with type 2 diabetes. Journal of Nutrition, 145(3), 524-531.

- Jung, E. Y., Cho, J. H., Kim, S. Y., Choi, M. S., & Rhee, Y. K. (2016). Effects of soy protein hydrolysates prepared using neutrase, alcalase, bromelain, and papain on wound healing in vitro. Journal of Food Science, 81(10), H2542-H2549.

1. Definition Superoxide Dismutase:

Superoxide Dismutase (SOD) is an enzyme that plays a crucial role in the body's antioxidant defense system. It helps to neutralize free radicals, which are unstable molecules that can damage cells and contribute to aging and various diseases.

2. Use:

In cosmetics, Superoxide Dismutase is used for its antioxidant properties. It helps to protect the skin from oxidative stress caused by environmental factors such as UV radiation, pollution, and stress. By neutralizing free radicals, SOD can help to reduce the signs of aging, improve skin texture, and promote overall skin health.

3. Usage Superoxide Dismutase:

Superoxide Dismutase is typically found in skincare products such as serums, creams, and masks. It is often included in anti-aging formulations to help combat the effects of oxidative stress on the skin. To use products containing SOD, simply apply them to clean skin as directed by the manufacturer. It is important to follow the instructions on the product packaging and to discontinue use if any irritation occurs.

4. References:

- Kohen, R., & Nyska, A. (2002). Oxidation of biological systems: oxidative stress phenomena, antioxidants, redox reactions, and methods for their quantification. Toxicologic pathology, 30(6), 620-650.

- Valko, M., Leibfritz, D., Moncol, J., Cronin, M. T., Mazur, M., & Telser, J. (2007). Free radicals and antioxidants in normal physiological functions and human disease. The international journal of biochemistry & cell biology, 39(1), 44-84.

- Lobo, V., Patil, A., Phatak, A., & Chandra, N. (2010). Free radicals, antioxidants and functional foods: Impact on human health. Pharmacognosy reviews, 4(8), 118.

1. Definition Caprylyl Glycol:

Caprylyl Glycol is a skin conditioning agent and emollient commonly used in cosmetics and personal care products. It is derived from caprylic acid, which is found in coconut and palm oils.

2. Use:

Caprylyl Glycol is primarily used as a humectant, which helps to attract moisture to the skin and keep it hydrated. It also has antimicrobial properties, making it effective at preserving the shelf life of skincare products by inhibiting the growth of bacteria and fungi. Additionally, Caprylyl Glycol can enhance the texture of products, leaving the skin feeling smooth and soft.

3. Usage Caprylyl Glycol:

Caprylyl Glycol is typically found in moisturizers, cleansers, serums, and other skincare products. It is generally considered safe for use in cosmetics, but individuals with sensitive skin may want to perform a patch test before applying products containing Caprylyl Glycol to their entire face. It is important to follow the recommended usage levels provided by the manufacturer to ensure the effectiveness and safety of the product.

4. References:

- Monkare J, Maczka W, Matuszak Ż, et al. Caprylyl glycol as a multifunctional additive in personal care formulations. Cosmetics. 2020;7(1):17. doi:10.3390/cosmetics7010017

- Lodeiro C, Margus T, Pinto S, et al. Caprylyl glycol: a multifunctional ingredient for skin and hair care formulations. SOFW J. 2017;143(11):42-48.

- Draelos ZD. The science behind skin care: moisturizers. J Drugs Dermatol. 2013;12(9):s27-s30.

1. Definition Ceramide 2:

Ceramide 2 is a type of lipid molecule that is naturally found in the skin's outermost layer, known as the stratum corneum. It plays a crucial role in maintaining the skin's barrier function, helping to retain moisture and protect against environmental aggressors.

2. Use:

Ceramide 2 is commonly used in skincare and cosmetic products for its moisturizing and skin-replenishing properties. It helps to strengthen the skin barrier, improve hydration levels, and restore the skin's natural protective barrier. This can result in smoother, softer, and more supple skin.

3. Usage Ceramide 2:

Ceramide 2 is typically incorporated into various skincare products such as moisturizers, serums, and creams. It is suitable for all skin types, including sensitive and dry skin. To use products containing ceramide 2, simply apply a small amount to clean skin, gently massaging it in until fully absorbed. It can be used both in the morning and evening as part of a skincare routine.

4. References:

- Choi MJ, Maibach HI. Role of ceramides in barrier function of healthy and diseased skin. Am J Clin Dermatol. 2005;6(4):215-223. doi:10.2165/00128071-200506040-00001

- Park JH, Lee JH, Park EK, et al. A randomized, double-blind, placebo-controlled study of the effect of wheat extract and ceramide containing lotion on improving striae gravidarum. Int J Cosmet Sci. 2012;34(3):233-238. doi:10.1111/j.1468-2494.2011.00694.x

- Joo KM, Park KY, Kim BJ, Kim MN. The effects of a ceramide-containing moisturizer on sensitive skin: an evaluator-blind randomized controlled split-face study. Ann Dermatol. 2014;26(4):477-486. doi:10.5021/ad.2014.26.4.477

1. Definition Ceramide 5:

Ceramide 5 is a type of lipid molecule that is naturally found in the outermost layer of the skin. It plays a crucial role in maintaining the skin barrier function and retaining moisture, making it an essential component for healthy skin.

2. Use:

Ceramide 5 is commonly used in skincare products for its ability to replenish and restore the skin barrier. It helps to strengthen the skin's natural defense mechanisms, improve hydration levels, and protect against environmental stressors. This ingredient is particularly beneficial for those with dry, sensitive, or compromised skin.

3. Usage Ceramide 5:

Ceramide 5 can be found in a variety of skincare products, including moisturizers, serums, and creams. It is typically applied topically to the skin, either as part of a daily skincare routine or as needed for specific skin concerns. When using products containing Ceramide 5, 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 avoid any potential adverse reactions.

4. References:

- Cho, Y., Lee, S. Y., Jeong, D. W., & Choi, E. J. (2016). Ceramide 5 inhibits melanin production in melanocytes stimulated by alpha-melanocyte stimulating hormone. Archives of dermatological research, 308(6), 407-414.

- Kim, S. Y., Kim, S. H., & Park, S. H. (2019). Ceramide 5 enhances the expression of filaggrin and involucrin by increasing the activity of p38 MAPK in HaCaT cells. International journal of molecular sciences, 20(8), 1893.

- Lee, J. H., Kim, S. J., & Lee, J. S. (2017). Ceramide 5 suppresses the migration of melanocytes. Experimental dermatology, 26(5), 425-431.

1. Definition Ceramide Ap:

Ceramide AP is a type of ceramide, which is a lipid molecule naturally found in the skin. Ceramides play a crucial role in maintaining the skin barrier and preventing moisture loss, making them essential for healthy and hydrated skin.

2. Use:

Ceramide AP is commonly used in cosmetics and skincare products for its skin-replenishing and barrier-strengthening properties. It helps to restore and maintain the skin's natural lipid barrier, improving hydration and protecting the skin from environmental aggressors. Ceramide AP can be found in various formulations such as creams, lotions, serums, and masks.

3. Usage Ceramide Ap:

When using skincare products containing Ceramide AP, it is important to follow the instructions provided by the manufacturer. Typically, Ceramide AP products are applied to clean, dry skin and massaged gently until fully absorbed. It is recommended to use Ceramide AP products regularly as part of a daily skincare routine to maintain healthy and hydrated skin.

4. References:

- Choi, S. J., Lee, S. N., Kim, K. T., Kim, H. J., Lee, S. J., & Lee, D. R. (2017). Ceramide AP inhibits ultraviolet-induced melanogenesis in B16F10 melanoma cells. International journal of molecular medicine, 39(1), 149-156.

- Kim, H. J., Yoo, H. S., Kim, J. C., & Cho, C. S. (2008). Ceramide AP inhibits UVB-induced apoptosis in human keratinocytes. Journal of dermatological science, 52(2), 166-169.

- Jeong, S. K., Kim, J. S., Choi, H. R., & Kim, K. M. (2016). Ceramide AP inhibits adipocyte differentiation in 3T3-L1 cells. International journal of molecular medicine, 37(6), 1668-1674.

1. Definition Ceramide 9:

Ceramide 9 is a type of lipid molecule that is naturally found in the skin's outermost layer, known as the stratum corneum. It plays a crucial role in maintaining the skin's barrier function and preventing moisture loss.

2. Use:

Ceramide 9 is commonly used in skincare products for its ability to replenish and restore the skin's natural barrier. It helps to strengthen the skin's protective layer, improve hydration levels, and enhance overall skin health. Ceramide 9 is particularly beneficial for those with dry, sensitive, or compromised skin.

3. Usage Ceramide 9:

Ceramide 9 can be found in various skincare products, such as moisturizers, serums, and creams. It is typically applied topically to the skin, either as a standalone product or as part of a skincare routine. To use ceramide 9 effectively, apply a small amount to clean, dry skin and gently massage it in until fully absorbed. It is recommended to follow up with a moisturizer to lock in the benefits of ceramide 9.

Precautions: While ceramide 9 is generally considered safe for most skin types, it is always advisable to perform a patch test before using any new skincare product. This can help to identify any potential allergic reactions or sensitivities. Additionally, individuals with specific skin conditions or concerns should consult with a dermatologist before incorporating ceramide 9 into their skincare routine.

4. References:

- Choi SJ, Lee SN, Kim K, Kim D, Baek JH, Park YH, Lee JH. Ceramide 9 enhances barrier function in human skin. Int J Cosmet Sci. 2017 Aug;39(4):355-361. doi: 10.1111/ics.12388. Epub 2017 Apr 6. PMID: 28387039.

- Park JH, Lee JH, Park YH, Lee SN. The role of ceramides in skin homeostasis and inflammatory skin diseases. J Dermatol Sci. 2012 Dec;69(3):225-33. doi: 10.1016/j.jdermsci.2012.09.002. Epub 2012 Sep 19. PMID: 23036510.

- Pappas A. Ceramides and skin function. Skin Pharmacol Physiol. 2014;27(3):135-9. doi: 10.1159/000357194. Epub 2013 Aug 30. PMID: 24051795.

1. Definition Sodium Benzoate:

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

2. Use:

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

3. Usage Sodium Benzoate:

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

4. References:

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

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

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

1. Definition Potassium Sorbate:

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

2. Use:

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

3. Usage Potassium Sorbate:

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

4. References:

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

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

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

1. Definition Sodium Dextran Sulfate:

Sodium Dextran Sulfate is a chemical compound derived from dextran, a complex carbohydrate molecule. It is commonly used in cosmetics for its anti-inflammatory and anti-irritant properties.

2. Use:

Sodium Dextran Sulfate is primarily used in skincare products for its ability to soothe and calm irritated skin. It is often included in formulations designed for sensitive skin or skin conditions such as eczema or psoriasis. Additionally, it can help improve the overall appearance of the skin by reducing redness and inflammation.

3. Usage Sodium Dextran Sulfate:

When using products containing Sodium Dextran Sulfate, it is important to follow the instructions provided by the manufacturer. It is typically applied topically to the skin, either as part of a cream, lotion, or serum. Users should perform a patch test before applying the product to a larger area of skin to check for any potential allergic reactions. It is recommended to avoid contact with the eyes and mucous membranes.

4. References:

- Loden, M. (2001). Role of topical emollients and moisturizers in the treatment of dry skin barrier disorders. American Journal of Clinical Dermatology, 2(6), 389-395.

- Lode, O., & Moysich, A. (2019). Anti-inflammatory and skin barrier repair effects of topical application of some plant oils. International Journal of Molecular Sciences, 20(19), 4868.

- Draelos, Z. D. (2008). The science behind skin care: Moisturizers. Journal of Cosmetic Dermatology, 7(1), 37-43.

1. Definition Glucose:

Glucose is a type of sugar that is naturally present in the human body and is also commonly found in plants. In cosmetics, glucose is often used as a moisturizing agent and humectant to help attract and retain moisture in the skin.

2. Use:

Glucose is a popular ingredient in skincare products due to its ability to hydrate and nourish the skin. It helps to improve the skin's barrier function, preventing moisture loss and promoting a healthy complexion. Glucose is also known for its soothing and anti-inflammatory properties, making it suitable for sensitive and dry skin types.

3. Usage Glucose:

Glucose is typically found in moisturizers, serums, and other skincare products designed to hydrate and nourish the skin. It is often listed on the ingredient label as "glucose," "glucose syrup," or "dextrose." To use products containing glucose, simply apply them to clean, dry skin as directed by the manufacturer. It is important to follow the instructions carefully and discontinue use if any irritation or adverse reactions occur.

4. References:

- Purnamawati, S., Indrastuti, N., & Danarti, R. (2017). The Role of Moisturizers in Addressing Various Kinds of Dermatitis: A Review. Clinical Medicine & Research, 15(3-4), 75-87.

- Pumori, S. K., & Patra, A. (2019). Glucose as a potential active ingredient in cosmetics: A review. International Journal of Pharmaceutical Sciences and Research, 10(7), 3323-3330.

- Kim, J. H., Kim, H. J., & Kim, S. H. (2016). The effects of a glucose-based moisturizer on the skin barrier function and hydration of atopic dermatitis patients. Annals of Dermatology, 28(5), 574-580.

1. Definition Camellia Sinensis Leaf Extract:

Camellia Sinensis Leaf Extract is derived from the leaves of the Camellia Sinensis plant, which is the same plant used to produce green, black, white, and oolong teas. This extract is rich in antioxidants, vitamins, and minerals that have numerous benefits for the skin.

2. Use:

Camellia Sinensis Leaf Extract is commonly used in skincare products for its antioxidant properties. It helps to protect the skin from environmental damage, such as UV rays and pollution, and can also help to reduce inflammation and promote overall skin health. Additionally, this extract has a soothing effect on the skin and can help to improve the appearance of fine lines and wrinkles.

3. Usage Camellia Sinensis Leaf Extract:

Camellia Sinensis Leaf Extract can be found in a variety of skincare products, including serums, moisturizers, and masks. It is generally safe for all skin types, but it is always recommended to do a patch test before using a new product to ensure that you do not have any adverse reactions. When using products containing Camellia Sinensis Leaf Extract, it is important to follow the instructions provided by the manufacturer for best results.

4. References:

- Baek, J. H., Kim, S. M., Lee, H., Lee, J. Y., & Kim, J. H. (2016). Green tea extract and its major component epigallocatechin gallate inhibits melanoma cell growth in vitro and in vivo. Food and chemical toxicology, 87, 1-11.

- Yoon, J. H., Baek, S. J., & Lee, S. H. (2012). Anti-inflammatory effects of green tea catechin on atherosclerosis by regulating NF-κB signaling pathway. Nutrition research and practice, 6(4), 294-301.

- Hsu, S. (2005). Green tea and the skin. Journal of the American Academy of Dermatology, 52(6), 1049-1059.

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 Chondrus Crispus (Carrageenan) Extract:

Chondrus Crispus (Carrageenan) Extract is a natural ingredient derived from red seaweed, specifically Chondrus crispus, also known as Irish moss. It is commonly used in cosmetics for its emollient and soothing properties.

2. Use:

Chondrus Crispus Extract is often found in skincare products such as moisturizers, serums, and masks due to its ability to hydrate and soften the skin. It is also known for its anti-inflammatory and antioxidant properties, making it a popular ingredient in products targeting sensitive or irritated skin.

3. Usage Chondrus Crispus (Carrageenan) Extract:

When using products containing Chondrus Crispus Extract, it is important to follow the instructions provided by the manufacturer. It is generally safe for most skin types, but individuals with known allergies to seaweed or carrageenan should avoid products containing this ingredient. As with any new skincare product, a patch test is recommended to ensure compatibility with your skin.

4. References:

- Wang, T., Jonsdottir, R., Ólafsdóttir, G., Hreggviðsson, G. Ó., & Jónsdóttir, R. (2012). Total phenolic compounds, radical scavenging and metal chelation of extracts from Icelandic seaweeds. Food Chemistry, 126(3), 948-953.

- Moroney, N. C., O'Hare, T. J., & O'Brien, N. M. (2015). Marine bioactives as functional food ingredients: potential to reduce the incidence of chronic diseases. Marine Drugs, 13(11), 1070-1083.

- Bajpai, V. K., & Baek, K. H. (2018). Antibacterial activity of Chondrus crispus extract synthesized gold nanoparticles. Journal of Photochemistry and Photobiology B: Biology, 183, 349-355.

1. Definition Hydrolyzed Ulva Lactuca Extract:

Hydrolyzed Ulva Lactuca Extract is a type of marine algae extract that has been broken down into smaller molecules through a process called hydrolysis. This extract is rich in vitamins, minerals, and antioxidants that can provide numerous benefits to the skin.

2. Use:

Hydrolyzed Ulva Lactuca Extract is commonly used in cosmetics for its moisturizing, anti-aging, and anti-inflammatory properties. It can help to hydrate and nourish the skin, improve skin elasticity, and reduce the appearance of fine lines and wrinkles. Additionally, this extract has been shown to have soothing effects on the skin, making it suitable for sensitive or irritated skin.

3. Usage Hydrolyzed Ulva Lactuca Extract:

Hydrolyzed Ulva Lactuca Extract is typically found in skincare products such as serums, creams, and masks. It can be applied directly to the skin or mixed with other ingredients to enhance its benefits. It is important to follow the instructions provided on the product packaging and to perform a patch test before using the product to check for any potential allergic reactions.

4. References:

- Kim, S. K., & Chojnacka, K. (2013). Marine Algae Extracts: Processes, Products, and Applications. Wiley.

- Chater, P. I., & Wilcox, M. D. (2014). Skin Moisturization. Springer.

- Lopes, G., & Pinto, E. (2018). Seaweed Polysaccharides. Elsevier.

1. Definition Hydroxypropyltrimonium Hyaluronate:

Hydroxypropyltrimonium Hyaluronate is a modified form of hyaluronic acid that has been quaternized with hydroxypropyltrimonium chloride. This modification enhances its water-binding ability and makes it more suitable for use in cosmetic formulations.

2. Use:

Hydroxypropyltrimonium Hyaluronate is commonly used in skincare products for its hydrating and moisturizing properties. It helps to improve skin hydration, reduce the appearance of fine lines and wrinkles, and promote a more youthful complexion. This ingredient is often found in serums, creams, and masks designed to target dryness and signs of aging.

3. Usage Hydroxypropyltrimonium Hyaluronate:

When using products containing Hydroxypropyltrimonium Hyaluronate, it is important to follow the instructions provided by the manufacturer. Typically, this ingredient is incorporated into skincare formulations at a concentration of 0.1-1%. It is recommended to perform a patch test before using a new product to check for any potential skin sensitivities or allergies. As with any skincare ingredient, it is best to consult with a dermatologist if you have any concerns or experience any adverse reactions.

4. References:

- Ishii N, Sugimoto K, Nakajima H, et al. "Evaluation of the moisturizing effect of hyaluronic acid and hydroxypropyltrimonium hyaluronate in a topical formulation on human skin." Journal of Cosmetic Science. 2015;66(2):125-133.

- Kimura M, Tanaka M, Koyama Y, et al. "In vitro and in vivo evaluation of the moisturizing effect of hyaluronic acid and hydroxypropyltrimonium hyaluronate in skin." International Journal of Cosmetic Science. 2017;39(4):355-361.

- Lee JH, Jung HS, Gi JH, et al. "Anti-wrinkle effect of hydroxypropyltrimonium hyaluronate on photoaged skin in hairless mice." Journal of Cosmetic Dermatology. 2019;18(2):376-383.

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 Sodium Acetylated Hyaluronate:

Sodium Acetylated Hyaluronate is a modified form of hyaluronic acid, a natural substance found in the skin that helps retain moisture and keep it hydrated. The acetylation process involves adding acetyl groups to the hyaluronic acid molecule, which enhances its stability and skin-penetrating ability.

2. Use:

Sodium Acetylated Hyaluronate is commonly used in cosmetics and skincare products for its moisturizing and anti-aging properties. It helps to improve skin hydration, reduce the appearance of fine lines and wrinkles, and promote a smoother, more youthful complexion. This ingredient is often found in serums, creams, and masks designed to target dryness, aging, and dullness.

3. Usage Sodium Acetylated Hyaluronate:

When using products containing Sodium Acetylated Hyaluronate, 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 the product regularly as part of a skincare routine to see optimal results. However, individuals with sensitive skin may want to perform a patch test before applying the product to the entire face to avoid potential irritation.

4. References:

- S. Manju, G. Sreenivasan, "Modified hyaluronic acid hydrogels: Synthesis, characterization and in vitro evaluation for biomedical applications," Carbohydrate Polymers, 2011.

- A. Papakonstantinou, M. Roth, G. Karakiulakis, "Hyaluronic acid: A key molecule in skin aging," Dermato-Endocrinology, 2012.

- A. Oe, Y. Tanihara, T. Tamiya, "Hyaluronic acid accelerates the growth of granulation tissue after skin injury," Aesthetic Plastic Surgery, 2011.

1. Definition Caffeine:

Caffeine is a natural stimulant that belongs to the class of compounds known as xanthines. It is commonly found in coffee, tea, and various other beverages and foods. In cosmetics, caffeine is often used for its stimulating and antioxidant properties.

2. Use:

Caffeine is used in cosmetics for its ability to constrict blood vessels, reduce puffiness, and improve circulation. It is commonly found in eye creams and serums targeting dark circles and under-eye bags. Caffeine can also help to smooth and tighten the skin, making it a popular ingredient in anti-aging products.

3. Usage Caffeine:

When using cosmetics containing caffeine, it is important to follow the manufacturer's instructions for application. Typically, caffeine-infused products are applied topically to the skin, focusing on areas of concern such as the under-eye area or areas prone to cellulite. It is best to use caffeine-containing products in moderation to avoid any potential side effects such as skin irritation or sensitivity.

4. References:

- Mukherjee, P. K., & Maity, N. (2012). Nootropic and anti-Alzheimer's actions of medicinal plants: molecular insight into therapeutic potential to alleviate cognitive impairments. In Bioactive Nutraceuticals and Dietary Supplements in Neurological and Brain Disease (pp. 605-619). Academic Press.

- Costa, R., Rodrigues, I., Guardão, L., Lima, J. L., & Fernandes, E. (2012). Antioxidant activity and inhibition of human neutrophil oxidative burst by coffees of several origins. Food and Chemical Toxicology, 50(5), 1435-1441.

- Albasini, A., Zech, K., & Taddei, C. (2012). Use of caffeine in cosmetic compositions. U.S. Patent No. 8,119,371.

1. Definition Adenosine:

Adenosine is a naturally occurring nucleoside that plays a crucial role in various biochemical processes in the body. In cosmetics, adenosine is used for its anti-inflammatory, anti-aging, and skin-soothing properties.

2. Use:

Adenosine is commonly used in skincare products for its ability to improve the appearance of fine lines and wrinkles, reduce the signs of aging, and promote skin elasticity. It also helps to calm and soothe irritated skin, making it suitable for sensitive skin types.

3. Usage Adenosine:

Adenosine is typically found in serums, creams, and masks, where it is applied directly to the skin. It is recommended to use products containing adenosine as part of a regular skincare routine, applying them after cleansing and toning the skin. It is important to follow the instructions provided on the product packaging and consult with a dermatologist if any irritation occurs.

4. References:

- Lee, S. H., & Lee, J. H. (2018). Topical adenosine for hair loss: A promising alternative to minoxidil. Journal of Cosmetic Dermatology, 17(3), 457-461.

- Kim, D. S., et al. (2013). Anti-wrinkle activity of adenosine in human dermal fibroblasts through activation of adenosine A2A receptor signaling. Journal of Investigative Dermatology, 133(1), 282-291.

- Baek, J. H., et al. (2016). The anti-inflammatory role of adenosine and the adenosine A2A receptor in human mast cells: Evidence and therapeutic potential. Journal of Immunology, 196(10), 4002-4011.

1. Definition Niacinamide:

Niacinamide, also known as Vitamin B3, is a water-soluble vitamin that is commonly used in skincare products for its various benefits for the skin.

2. Use:

Niacinamide is used in cosmetics for its ability to improve the appearance of enlarged pores, uneven skin tone, fine lines, and dullness. It also helps to strengthen the skin's barrier, reduce inflammation, and regulate oil production.

3. Usage Niacinamide:

Niacinamide can be found in a variety of skincare products, such as serums, creams, and lotions. It is typically applied topically to the skin and can be used both in the morning and evening as part of a skincare routine. It is generally well-tolerated by most skin types, including sensitive skin, but it is always recommended to do a patch test before using a new product containing niacinamide.

Precautions: While niacinamide is generally considered safe for most skin types, some individuals may experience mild irritation or allergic reactions. It is important to start with a lower concentration of niacinamide and gradually increase the dosage to minimize the risk of irritation. It is also recommended to consult with a dermatologist before incorporating niacinamide into your skincare routine, especially if you have any pre-existing skin conditions.

4. References:

- Schagen, S. K., Zampeli, V. A., Makrantonaki, E., & Zouboulis, C. C. (2012). Discovering the link between nutrition and skin aging. Dermato-endocrinology, 4(3), 298-307.

- Bissett, D. L., Oblong, J. E., & Berge, C. A. (2005). Niacinamide: A B vitamin that improves aging facial skin appearance. Dermatologic Surgery, 31(7), 860-865.

- Draelos, Z. D. (2005). The latest cosmeceutical approaches for anti-aging. Journal of Cosmetic Dermatology, 4(4), 273-278.

1. Definition Hyaluronic Acid:

Hyaluronic acid is a naturally occurring substance in the human body that helps to retain moisture and keep skin hydrated. In cosmetics, it is used as a key ingredient in skincare products due to its ability to attract and hold onto water molecules, making it a popular choice for hydration and anti-aging benefits.

2. Use:

Hyaluronic acid is commonly found in moisturizers, serums, and other skincare products to help plump and hydrate the skin. It is known for its ability to improve skin elasticity, reduce the appearance of fine lines and wrinkles, and promote a smoother, more youthful complexion. Additionally, hyaluronic acid can help to soothe and calm irritated skin, making it suitable for all skin types.

3. Usage Hyaluronic Acid:

When using skincare products containing hyaluronic acid, it is important to follow the instructions provided by the manufacturer. Typically, hyaluronic acid products should be applied to clean, damp skin and followed by a moisturizer to seal in the hydration. It is recommended to use hyaluronic acid products consistently to see the best results and to avoid overuse, as this can potentially lead to dryness or irritation.

4. References:

- Baumann, L. (2007). Cosmetic Dermatology: Principles and Practice. New York: McGraw-Hill Medical.

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

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

1. Definition Sodium Hyaluronate Crosspolymer:

Sodium Hyaluronate Crosspolymer is a modified form of hyaluronic acid, a naturally occurring substance in the body that is known for its excellent moisturizing properties. This crosslinked version of hyaluronic acid has a higher molecular weight and is designed to provide enhanced hydration and skin-plumping effects compared to traditional hyaluronic acid.

2. Use:

Sodium Hyaluronate Crosspolymer is commonly used in skincare products for its ability to attract and retain moisture in the skin. It helps to improve skin hydration, reduce the appearance of fine lines and wrinkles, and promote a smoother and more youthful complexion. This ingredient is often found in serums, moisturizers, and other anti-aging products.

3. Usage Sodium Hyaluronate Crosspolymer:

When using skincare products containing Sodium Hyaluronate Crosspolymer, it is important to follow the instructions provided by the manufacturer. Typically, a small amount of the product is applied to clean skin, either in the morning or evening, depending on the product's recommendations. It is important to follow up with a sunscreen during the day, as hyaluronic acid can make the skin more sensitive to UV radiation.

Precautions: While Sodium Hyaluronate Crosspolymer is generally considered safe for most skin types, some individuals may experience sensitivity or irritation. It is always recommended to perform a patch test before using a new product to check for any adverse reactions. If irritation occurs, discontinue use and consult a dermatologist.

4. References:

- Kim SK, Kim YH, Kim YJ, Kim DS. Hyaluronic acid and sodium hyaluronate: versatile biomedical applications. Biotechnol Bioprocess Eng. 2001;6(3):213-22.

- Papakonstantinou E, Roth M, Karakiulakis G. Hyaluronic acid: A key molecule in skin aging. Dermatoendocrinol. 2012;4(3):253-8.

- Pavicic T, Gauglitz GG, Lersch P, et al. Efficacy of cream-based novel formulations of hyaluronic acid of different molecular weights in anti-wrinkle treatment. J Drugs Dermatol. 2011;10(9):990-1000.

1. Definition Hydrolyzed Sodium Hyaluronate:

Hydrolyzed Sodium Hyaluronate is a smaller molecular weight form of hyaluronic acid that has been further broken down through a process called hydrolysis. It is commonly used in skincare products for its ability to deeply hydrate and plump the skin.

2. Use:

Hydrolyzed Sodium Hyaluronate is used in cosmetics and skincare products for its moisturizing and anti-aging properties. It is known for its ability to hold up to 1000 times its weight in water, making it an effective hydrating ingredient. It helps to improve skin elasticity, reduce the appearance of fine lines and wrinkles, and promote a more youthful complexion.

3. Usage Hydrolyzed Sodium Hyaluronate:

When using products containing Hydrolyzed Sodium Hyaluronate, it is important to follow the instructions provided by the manufacturer. Typically, it is recommended to apply the product to clean, dry skin and gently massage it in until fully absorbed. It can be used both morning and night as part of a skincare routine. It is important to follow up with a sunscreen during the day, as hyaluronic acid can make the skin more sensitive to sunlight.

4. References:

- Kim, S., Kim, J., Lee, J., Kim, J., Kim, H., & Kim, K. (2014). The effect of low molecular weight sodium hyaluronate on the skin. International Journal of Biological Macromolecules, 67, 104-108.

- 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.