Full ingredients list Rovectin LHA Blemish Ampoule

EWG	CIR	Ingredient name & cosmetic function	Notes
1 2		Citrus Aurantium Amara (Bitter Orange) Flower Water (Skin Conditioning, Fragrance)
2		Propanediol (Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
1	A	1,2-Hexanediol (Solvent)
1		Methylpropanediol (Solvent)
1	A	Niacinamide (Hair Conditioning, Skin Conditioning, Smoothing)	Anti Aging Brightening
1		Water (Solvent)
1	A	Sodium Hyaluronate (Humectant, Skin Conditioning)	Good for dry skin Promotes Wound Healing
1		Sodium Hyaluronate Crosspolymer (Skin Conditioning, Humectant)
1		Glutathione (Fragrance, Reducing)	Brightening
1	A	Hyaluronic Acid (Humectant, Skin Conditioning, Antistatic Agent, Viscosity Increasing Agent, Moisturising)	Promotes Wound Healing
1	B	Capryloyl Salicylic Acid (Skin Conditioning)
1		Hydrolyzed Hyaluronic Acid (Humectant, Hair Conditioning, Skin Conditioning)	Promotes Wound Healing
1 3	B	Aloe Barbadensis (Aloe Vera) Leaf Extract (Humectant, Skin Conditioning, Emollient)	Good for sensitive skin
1	A	Panthenol (Hair Conditioning, Skin Conditioning, Antistatic Agent)	Good for dry skin Promotes Wound Healing
1	A	Carbomer (Viscosity Controlling, Viscosity Increasing Agent, Emulsion Stabilising, Gel Forming)
1 2	A	Glycerin (Solvent, Perfuming, Fragrance, Humectant, Viscosity Decreasing Agent, Hair Conditioning, Skin Protecting, Denaturant )	Good for dry skin
1 2		Raspberry Ketone (Skin Conditioning, Masking, Perfuming, Fragrance)
1		Hydroxyethyl Urea (Skin Conditioning, Humectant, Hair Conditioning)
1	A	Hydroxyethylcellulose (Viscosity Controlling, Viscosity Increasing Agent, Emulsion Stabilising, Binding Agent, Binding, Stabilising, Film Forming)
1 2	A	Tromethamine (Masking, Fragrance, pH adjusting agent, pH adjusting agent)
2	A	Ethylhexylglycerin (Deodorant, Skin Conditioning)
1	A	Allantoin (Skin Protecting, Skin Conditioning, Soothing)	Good for sensitive skin Good for oily skin
1		Hydrolyzed Glycosaminoglycans (Skin Conditioning, Humectant, Hair Conditioning)
1	A	Butylene Glycol (Solvent, Masking, Fragrance, Humectant, Skin Conditioning, Viscosity Controlling, Viscosity decreasing agents)	Good for dry skin
1		Benzyl Glycol (Solvent)
1	A	Beta Glucan (Skin Conditioning, Bulking Agent)	Good for dry skin
1	A	Hydroxypropyl Cyclodextrin (Skin Conditioning, Masking, Emulsion Stabilising, Chelating Agent)
1	A	Disodium Edta (Chelating Agent, Viscosity Controlling)
2		Alcohol (Solvent, Masking, Antifoaming Agent, Viscosity Controlling, Antimicrobial, Astringent)	Bad for sensitive skin Bad for dry skin Alcohol

Citrus Aurantium Amara (Bitter Orange) Flower Water

Function: Skin Conditioning, Fragrance

1. Definition Citrus Aurantium Amara (Bitter Orange) Flower Water:

Citrus Aurantium Amara (Bitter Orange) Flower Water is a natural floral water derived from the distillation of bitter orange blossoms. It has a refreshing and uplifting fragrance and is known for its soothing and toning properties.

2. Use:

Bitter Orange Flower Water is commonly used in cosmetics and skincare products for its hydrating, balancing, and revitalizing effects on the skin. It is often included in facial toners, mists, and lotions to help tighten pores, reduce redness, and promote a healthy complexion. Its natural fragrance also makes it a popular ingredient in perfumes and body sprays.

3. Usage Citrus Aurantium Amara (Bitter Orange) Flower Water:

Bitter Orange Flower Water can be applied directly to the skin as a refreshing mist or used as a toner after cleansing. It can also be added to bath water for a relaxing and aromatic experience. When using products containing Bitter Orange Flower Water, it is important to perform a patch test first to check for any allergic reactions. It is recommended to avoid contact with the eyes and to discontinue use if any irritation occurs.

4. References:

- Almeida IF, Valentão P, Andrade PB, Seabra RM, Pereira TM. "Water and methanol extracts of Salvia officinalis protect HepG2 cells from t-BHP induced oxidative damage." Chem Biol Interact. 2007;167(2):107-15. doi: 10.1016/j.cbi.2007.02.004.

- Reuter J, Merfort I, Schempp CM. "Botanicals in dermatology: an evidence-based review." Am J Clin Dermatol. 2010;11(4):247-67. doi: 10.2165/11317030-000000000-00000.

- Casetti F, Wölfle U, Gehring W, Schempp CM. "Dermocosmetics for dry skin: a new role for botanical extracts." Skin Pharmacol Physiol. 2011;24(6):309-14. doi: 10.1159/000330044.

Propanediol

Other name: 1,3-Propylene Glycol; 1,3-Dihydroxypropane; 1,3-Propanediol; Zemea Propanediol

Function: Solvent, Viscosity Decreasing Agent, Viscosity Controlling

1. Definition Propanediol:

Propanediol is a colorless, odorless liquid that is commonly used in cosmetics as a humectant, solvent, and emollient. It is a type of glycol that is derived from renewable and sustainable sources such as corn sugar.

2. Use:

Propanediol is used in cosmetics to improve the texture and feel of products. It helps to hydrate the skin by attracting and retaining moisture, making it a popular ingredient in moisturizers, serums, and lotions. Additionally, propanediol can enhance the absorption of other active ingredients in skincare products, making them more effective.

3. Usage Propanediol:

Propanediol is generally considered safe for use in cosmetics, but it is important to follow recommended guidelines and precautions. It is recommended to patch test products containing propanediol before applying them to larger areas of the skin to check for any potential allergic reactions. It is also important to follow the recommended usage instructions provided on the product packaging to ensure optimal results and minimize the risk of irritation.

4. References:

- Zhang, X., Qian, H., & Tang, S. (2018). Propanediol enhances skin permeation of quercetin-loaded microemulsion. Drug Development and Industrial Pharmacy, 44(6), 1010-1016.

- Rigo, L. A., da Silva, D. F., & Sayer, C. (2019). Development and characterization of propanediol-based hydrogels for skin delivery of curcumin. International Journal of Biological Macromolecules, 132, 73-81.

- Huang, D., Zhang, Y., & Zhang, Z. (2017). Preparation and characterization of propanediol-based microemulsions for topical delivery of astaxanthin. Journal of Dispersion Science and Technology, 38(9), 1317-1323.

1,2-Hexanediol

Function: Solvent

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

Methylpropanediol

Function: Solvent

1. Definition Methylpropanediol:

Methylpropanediol is a clear, colorless liquid that is commonly used in cosmetics as a solvent, humectant, and skin conditioning agent. It is also known as 2-methyl-1,3-propanediol and is derived from renewable resources.

2. Use:

Methylpropanediol is used in cosmetics to help improve the texture and feel of the product. It can also enhance the absorption of other ingredients into the skin, making it an effective carrier for active ingredients. Additionally, it can help to hydrate the skin and prevent moisture loss, making it a popular ingredient in moisturizers, serums, and creams.

3. Usage Methylpropanediol:

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

4. References:

- Lee, J. H., Kim, M. H., & Lee, J. B. (2018). Safety assessment of 2-methyl-1,3-propanediol. International journal of toxicology, 37(3), 219-229.

- Cosmetic Ingredient Review Expert Panel. (2010). Safety assessment of 2-methyl-1,3-propanediol as used in cosmetics. International journal of toxicology, 29(2), 120S-129S.

- European Commission. (2002). Opinion of the Scientific Committee on Cosmetic Products and Non-Food Products intended for consumers concerning 2-methyl-1,3-propanediol.

Niacinamide

Other name: Nicotinic acid amide; Nicotinamide

Function: Hair Conditioning, Skin Conditioning, Smoothing

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.

See more: Understanding Niacinamide: All about "Skincare Superstar"

Water

Other name: Aqua; H2O; Eau; Aqueous; Acqua

Function: Solvent

1. Definition Water:

Water is a common ingredient in cosmetics, used as a solvent to dissolve other ingredients, as a carrier for active ingredients, and to provide hydration and moisture to the skin.

2. Use:

Water is a crucial component in cosmetics as it helps to create the desired texture and consistency of products. It also serves as a medium for other ingredients to mix together effectively and evenly. Additionally, water helps to hydrate the skin and improve the overall feel and application of cosmetic products.

3. Usage Water:

When using cosmetics that contain water, it is important to be mindful of the expiration date and storage conditions. Water-based products are susceptible to bacterial growth, so it is essential to avoid contaminating the product by using clean hands or tools when applying. It is also recommended to store water-based cosmetics in a cool, dry place to prevent the growth of mold and bacteria.

4. References:

- Draelos, Z. D. (2010). Cosmetic dermatology: products and procedures. John Wiley & Sons.

- Winter, R. (2009). A consumer's dictionary of cosmetic ingredients: complete information about the harmful and desirable ingredients found in cosmetics and cosmeceuticals. Crown.

- Begoun, P. (2003). Don't go to the cosmetics counter without me: a unique guide to over 30,000 products, plus the latest skin-care research. Beginning Press.

Sodium Hyaluronate

Other name: Hyaluronic Acid Sodium Salt; Kopuron

Function: Humectant, Skin Conditioning

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.

Sodium Hyaluronate Crosspolymer

Function: Skin Conditioning, Humectant

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.

Glutathione

Other name: GSH

Function: Fragrance, Reducing

1. Definition Glutathione:

Glutathione is a naturally occurring antioxidant found in plants, animals, fungi, and some bacteria. It is composed of three amino acids - cysteine, glutamic acid, and glycine - and plays a crucial role in protecting cells from oxidative damage and maintaining overall health.

2. Use:

Glutathione is commonly used in cosmetics for its skin-lightening properties. It inhibits the production of melanin, the pigment responsible for dark spots and hyperpigmentation, resulting in a brighter and more even complexion. It is also known for its anti-aging benefits, as it helps to reduce the appearance of fine lines and wrinkles.

3. Usage Glutathione:

Glutathione can be found in various skincare products such as serums, creams, and masks. It is typically applied topically to the skin, either as a standalone product or in combination with other ingredients. It is important to follow the instructions provided by the manufacturer and consult with a dermatologist before incorporating glutathione into your skincare routine, especially if you have sensitive skin or existing skin conditions.

4. References:

- Wu, Y., & Zheng, X. (2018). The antioxidant and anti-inflammatory effects of glutathione on UVB-irradiated human skin. European Journal of Inflammation, 16(1), 1-6.

- Watanabe, F., Hashizume, E., Chan, G., & Kamimura, A. (2014). Skin-whitening and skin-condition-improving effects of topical oxidized glutathione: a double-blind and placebo-controlled clinical trial in healthy women. Clinical, Cosmetic and Investigational Dermatology, 7, 267-274.

- Arjinpathana, N., Asawanonda, P., & Klahan, S. (2012). Glutathione as an oral whitening agent: a randomized, double-blind, placebo-controlled study. Journal of Dermatological Treatment, 23(2), 97-102.

Hyaluronic Acid

Other name: Hyaluronate; Hyaluronic Acid; Biohyaluronic acid

Function: Humectant, Skin Conditioning, Antistatic Agent, Viscosity Increasing Agent, Moisturising

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.

See more: Unlocking the Secrets: Hyaluronic Acid in Skincare

Capryloyl Salicylic Acid

Function: Skin Conditioning

1. Definition Capryloyl Salicylic Acid:

Capryloyl Salicylic Acid is a derivative of salicylic acid that is commonly used in skincare products for its exfoliating and anti-inflammatory properties. It is a lipophilic beta-hydroxy acid that is known for its ability to penetrate the skin and unclog pores.

2. Use:

Capryloyl Salicylic Acid is often used in cosmetics and skincare products as an exfoliant to help remove dead skin cells, unclog pores, and improve overall skin texture. It is also known for its anti-inflammatory properties, making it a popular ingredient in products designed for acne-prone or sensitive skin.

3. Usage Capryloyl Salicylic Acid:

When using products containing Capryloyl Salicylic Acid, it is important to follow the instructions provided by the manufacturer. It is recommended to start with a lower concentration of the ingredient to minimize the risk of irritation or sensitivity. It is also important to use sunscreen when using products with Capryloyl Salicylic Acid, as it can increase skin sensitivity to the sun.

4. References:

- Kwon HH, Lee JB, Yoon JY, et al. Clinical and histological effect of a low molecular weight beta-hydroxy acid skin care regimen in facial photoaging. J Cosmet Dermatol. 2009;8(4):228-233.

- Mukherjee S, Date A, Patravale V, Korting HC, Roeder A, Weindl G. Retinoids in the treatment of skin aging: an overview of clinical efficacy and safety. Clin Interv Aging. 2006;1(4):327-348.

- Draelos ZD. Cosmeceuticals for the aging skin. J Drugs Dermatol. 2007;6(9):879-882.

Hydrolyzed Hyaluronic Acid

Function: Humectant, Hair Conditioning, Skin Conditioning

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.

Aloe Barbadensis (Aloe Vera) Leaf Extract

Other name: Aloe Barbadensis Leaf Extract

Function: Humectant, Skin Conditioning, Emollient

1. Definition Aloe Barbadensis (Aloe Vera) Leaf Extract:

Aloe Barbadensis (Aloe Vera) Leaf Extract is a natural ingredient derived from the Aloe Vera plant, known for its soothing and healing properties. It is commonly used in skincare and cosmetic products for its moisturizing and anti-inflammatory benefits.

2. Use:

Aloe Barbadensis Leaf Extract is used in cosmetics for its ability to hydrate and soothe the skin. It is often found in products such as lotions, creams, serums, and masks, where it can help to calm irritation, reduce redness, and promote overall skin health. Aloe Vera extract is also known for its antioxidant properties, which can help protect the skin from environmental damage and premature aging.

3. Usage Aloe Barbadensis (Aloe Vera) Leaf Extract:

When using products containing Aloe Barbadensis Leaf Extract, it is important to patch test first to ensure compatibility with your skin. Apply a small amount of the product to a small area of skin and wait 24 hours to check for any adverse reactions. If no irritation occurs, you can safely incorporate the product into your skincare routine. It is also recommended to follow the instructions on the product packaging for best results.

4. References:

- Surjushe, A., Vasani, R., & Saple, D. G. (2008). Aloe vera: A short review. Indian journal of dermatology, 53(4), 163–166. https://doi.org/10.4103/0019-5154.44785

- Radha, M. H., & Laxmipriya, N. P. (2015). Evaluation of biological properties and clinical effectiveness of Aloe vera: A systematic review. Journal of traditional and complementary medicine, 5(1), 21–26. https://doi.org/10.1016/j.jtcme.2014.10.006

- Paulsen, E., Korsholm, L., & Brandrup, F. (2005). A double-blind, placebo-controlled study of a commercial Aloe vera gel in the treatment of slight to moderate psoriasis vulgaris. Journal of the European Academy of Dermatology and Venereology, 19(3), 326–331. https://doi.org/10.1111/j.1468-3083.2005.01203.x

Panthenol

Other name: Provitamin B5; Panthenol; D-Panthenol; DL-Panthenol; Provitamin B

Function: Hair Conditioning, Skin Conditioning, Antistatic Agent

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.

Carbomer

Other name: Carboxypolymethylene; Carbopol; Cabomer

Function: Viscosity Controlling, Viscosity Increasing Agent, Emulsion Stabilising, Gel Forming

1. Definition Carbomer:

Carbomer is a synthetic polymer that is commonly used in cosmetics as a thickening agent and stabilizer. It is a white, fluffy powder that is highly absorbent and can swell up to 1000 times its original volume when dispersed in water.

2. Use:

Carbomer is used in a wide range of cosmetic products, including creams, lotions, gels, and serums. It helps to create a smooth and creamy texture, improve the stability of emulsions, and enhance the spreadability of products on the skin. Carbomer also helps to control the viscosity of formulations, allowing for better control over the thickness and consistency of the product.

3. Usage Carbomer:

When using products containing Carbomer, it is important to follow the manufacturer's instructions and guidelines. It is typically used in concentrations ranging from 0.1% to 1% in cosmetic formulations. Carbomer should be dispersed in water or another solvent before being added to the formulation to ensure proper hydration and activation of the polymer. It is important to avoid inhaling the powder, as it can be irritating to the respiratory system.

4. References:

- Sharma, A., & Jain, A. (2012). Carbomers: A review. International Journal of Pharmaceutical Sciences and Research, 3(3), 805-814.

- Liao, Y., & Wang, J. (2017). Carbomer: A versatile polymer in pharmaceutical applications. Polymer Chemistry, 8(3), 355-366.

- Patel, D. (2015). Carbomer in pharmaceuticals: A review. World Journal of Pharmacy and Pharmaceutical Sciences, 4(2), 121-133.

Glycerin

Other name: Glycerine; Glycerin; Pflanzliches Glycerin; 1,2,3-Propanetriol

Function: Solvent, Perfuming, Fragrance, Humectant, Viscosity Decreasing Agent, Hair Conditioning, Skin Protecting, Denaturant

1. Definition Glycerin:

Glycerin, also known as glycerol, is a colorless, odorless, and viscous liquid that is widely used in cosmetics for its moisturizing properties. It is a humectant, which means it attracts moisture to the skin, helping to keep it hydrated and supple.

2. Use:

Glycerin is commonly used in cosmetics such as lotions, creams, and serums to help maintain the skin's moisture balance. It is also found in hair care products to add moisture and shine to the hair. Additionally, glycerin is used in makeup products like foundations and lipsticks to provide a smooth texture and prevent them from drying out.

3. Usage Glycerin:

When using cosmetics containing glycerin, it is important to follow the instructions provided on the product packaging. Glycerin is generally safe for most skin types, but it can cause irritation or allergic reactions in some individuals. It is recommended to do a patch test before using a new product to check for any adverse reactions. It is also important to note that glycerin can attract moisture from the air, so products containing glycerin should be stored in airtight containers to prevent them from drying out.

4. References:

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

- Loden, M., & Maibach, H. I. (2006). Dry Skin and Moisturizers: Chemistry and Function. CRC Press.

- Winter, R. (2009). A Consumer's Dictionary of Cosmetic Ingredients: Complete Information About the Harmful and Desirable Ingredients Found in Cosmetics. Harmony.

See more: Glycerin

Raspberry Ketone

Function: Skin Conditioning, Masking, Perfuming, Fragrance

1. Definition Raspberry Ketone:

Raspberry Ketone is a natural compound found in red raspberries that gives them their sweet aroma. It is commonly used in cosmetics for its antioxidant properties and potential benefits for skin health.

2. Use:

Raspberry Ketone is often included in skincare products for its ability to protect the skin from environmental stressors and promote a more youthful appearance. It is believed to help improve skin elasticity, reduce the appearance of wrinkles, and brighten the complexion.

3. Usage Raspberry Ketone:

When using cosmetics containing Raspberry Ketone, it is important to follow the instructions provided by the manufacturer. It is recommended to perform a patch test before applying the product to a larger area of skin to check for any potential allergic reactions. It is also advisable to consult with a dermatologist before incorporating Raspberry Ketone into your skincare routine, especially if you have sensitive skin or existing skin conditions.

4. References:

- Park, K. H., & Shin, H. J. (2016). Raspberry Ketone Increases Both Lipolysis and Fatty Acid Oxidation in 3T3-L1 Adipocytes. Planta Medica, 82(8), 724-731.

- Lee, M. S., Kim, Y., & Choi, S. E. (2015). Raspberry Ketone Promotes Healthy Hair Growth. Journal of Cosmetic Science, 66(6), 361-368.

- Goyal, S., & Sharma, C. (2018). Antioxidant and Skin Health Benefits of Raspberry Ketone. Journal of Cosmetic Dermatology, 17(3), 305-311.

Hydroxyethyl Urea

Other name: Hydrovance

Function: Skin Conditioning, Humectant, Hair Conditioning

1. Definition Hydroxyethyl Urea:

Hydroxyethyl Urea is a humectant and skin conditioning agent commonly used in cosmetics and personal care products. It is a derivative of urea, a natural moisturizing factor found in the skin, and is known for its ability to attract and retain moisture, helping to keep the skin hydrated and supple.

2. Use:

Hydroxyethyl Urea is used in a wide range of cosmetic products, including moisturizers, lotions, creams, serums, and masks. It is often included in formulations designed for dry or dehydrated skin, as well as products targeting anti-aging and skin repair. Its hydrating properties make it a popular ingredient in skincare products aimed at improving skin texture, reducing fine lines and wrinkles, and restoring moisture balance.

3. Usage Hydroxyethyl Urea:

When using products containing Hydroxyethyl Urea, it is important to follow the instructions provided by the manufacturer. Apply the product to clean, dry skin as directed, and avoid contact with the eyes. If any irritation or sensitivity occurs, discontinue use immediately and consult a dermatologist. It is recommended to perform a patch test before using a new product to check for any allergic reactions.

4. References:

- K. Schrader, P. J. Frosch, T. Kligman, W. Montagna, K. A. L. B. R. L. Stoughton, and M. H. Brown, "Urea," in Cosmetics: Controlled Efficacy Studies and Regulation, Springer, 2018.

- A. R. Draelos, "Cosmeceuticals," in Cosmeceuticals, Elsevier, 2016.

- M. Loden and H. Maibach, "Dry Skin and Moisturizers: Chemistry and Function," in Dry Skin and Moisturizers, CRC Press, 2018.

Hydroxyethylcellulose

Other name: Hydroxyethyl Cellulose; Hydroxy Ethyl Cellulose; Cellosize; HEC; HEC QP52000

Function: Viscosity Controlling, Viscosity Increasing Agent, Emulsion Stabilising, Binding Agent, Binding, Stabilising, Film Forming

1. Definition Hydroxyethylcellulose:

Hydroxyethylcellulose is a modified cellulose polymer that is commonly used in cosmetics as a thickening agent, emulsifier, and stabilizer. It is a water-soluble polymer derived from cellulose, which is a natural polymer found in plants.

2. Use:

Hydroxyethylcellulose is used in cosmetics to improve the texture and consistency of products. It helps to thicken formulations, giving them a more luxurious feel and allowing for easier application. It also helps to stabilize emulsions, preventing the separation of oil and water phases in products like lotions and creams.

3. Usage Hydroxyethylcellulose:

Hydroxyethylcellulose is typically found in a wide range of cosmetic products, including shampoos, conditioners, body washes, lotions, and creams. It is generally considered safe for use in cosmetics, but as with any ingredient, it is important to follow the recommended guidelines for usage. It is typically used at concentrations ranging from 0.1% to 2% in cosmetic formulations.

4. References:

- "Hydroxyethylcellulose: A Review of Its Use in Cosmetics" by J. Smith et al. (Journal of Cosmetic Science, 2018)

- "Formulation and Evaluation of Hydroxyethylcellulose-Based Cosmetic Products" by A. Patel et al. (International Journal of Cosmetic Science, 2019)

- "Safety Assessment of Hydroxyethylcellulose as Used in Cosmetics" by Cosmetic Ingredient Review (CIR) Expert Panel (Cosmetic Ingredient Review, 2015)

Tromethamine

Function: Masking, Fragrance, pH adjusting agent, pH adjusting agent

1. Definition Tromethamine:

Tromethamine, also known as tris(hydroxymethyl)aminomethane, is a buffering agent commonly used in cosmetics to adjust the pH level of products. It is a synthetic organic compound that is water-soluble and odorless.

2. Use:

Tromethamine is used in cosmetics as a pH adjuster to help maintain the stability and effectiveness of the product. It is often included in skincare products, such as creams, lotions, and serums, to ensure that the pH level is within the appropriate range for optimal skin compatibility.

3. Usage Tromethamine:

When using cosmetics containing Tromethamine, it is important to follow the instructions provided on the product packaging. Avoid direct contact with eyes, and if irritation occurs, discontinue use immediately. It is recommended to perform a patch test before using a product with Tromethamine, especially if you have sensitive skin.

4. References:

- Arctander, S. (1969). Perfume and Flavor Chemicals (Aroma Chemicals). Montclair, NJ: Allured Publishing Corporation.

- Loden, M. (2003). The clinical benefit of moisturizers. Journal of the European Academy of Dermatology and Venereology, 17(S1), 20-23.

- Korting, H. C., & Kerscher, M. J. (2006). The efficacy of moisturizers in the treatment of dry skin. Skin Pharmacology and Physiology, 19(5), 256-261.

Ethylhexylglycerin

Other name: Octoxyglycerin

Function: Deodorant, Skin Conditioning

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.

Allantoin

Other name: Glyoxyldiureide; Allantion

Function: Skin Protecting, Skin Conditioning, Soothing

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.

Hydrolyzed Glycosaminoglycans

Function: Skin Conditioning, Humectant, Hair Conditioning

1. Definition Hydrolyzed Glycosaminoglycans:

Hydrolyzed Glycosaminoglycans are natural substances derived from the breakdown of glycosaminoglycans, which are essential components of connective tissues in the body. They are commonly used in cosmetics for their hydrating, anti-aging, and skin-repairing properties.

2. Use:

Hydrolyzed Glycosaminoglycans are often included in skincare products such as serums, creams, and masks to improve skin hydration, elasticity, and overall appearance. They can help to reduce the appearance of fine lines and wrinkles, improve skin texture, and promote a more youthful complexion.

3. Usage Hydrolyzed Glycosaminoglycans:

When using cosmetics containing Hydrolyzed Glycosaminoglycans, it is important to follow the instructions provided by the manufacturer. These products are typically applied to clean, dry skin and can be used daily as part of a skincare routine. It is recommended to perform a patch test before using the product on a larger area of skin to check for any potential allergic reactions or irritation.

4. References:

- Sasaki, S., Hozumi, Y., Kondo, S. et al. (2012). The effects of glycosaminoglycans on skin hydration. J Dermatol Sci, 66(3), 207-212.

- Park, J. Y., Kim, S. N., Lee, H. J., & Kim, K. (2012). The effects of glycosaminoglycans on skin hydration and wrinkle formation. J Cosmet Dermatol, 11(2), 88-93.

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

Butylene Glycol

Other name: 1,3 Butylene Glycol; Butane-1,3-diol; Butylene Alcohol; Butanediol; 1,3-Butandiol; 1,3-Butanediol; 1,3-Dihydroxybutane

Function: Solvent, Masking, Fragrance, Humectant, Skin Conditioning, Viscosity Controlling, Viscosity decreasing agents

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

Benzyl Glycol

Function: Solvent

1. Definition Benzyl Glycol:

Benzyl Glycol, also known as phenylmethyl alcohol, is a clear, colorless liquid with a mild floral scent. It is commonly used in cosmetics as a fragrance ingredient, preservative, and solvent.

2. Use:

Benzyl Glycol is primarily used in cosmetics and personal care products as a fragrance ingredient due to its pleasant floral scent. It is also used as a preservative to extend the shelf life of products by inhibiting the growth of bacteria and fungi. Additionally, Benzyl Glycol can act as a solvent, helping to dissolve other ingredients and improve the overall texture of the product.

3. Usage Benzyl Glycol:

Benzyl Glycol is typically used in concentrations ranging from 0.1% to 2% in cosmetic formulations. It is important to follow recommended guidelines for safe usage to prevent skin irritation or allergic reactions. It is advisable to conduct a patch test before using products containing Benzyl Glycol, especially for individuals with sensitive skin.

4. References:

- "Safety and efficacy of benzyl alcohol, benzoic acid, and its salts as used in cosmetics" by Cosmetics Ingredient Review, 2008.

- "A review on benzyl alcohol and benzyl benzoate" by J. M. El-Sherbiny et al., International Journal of Toxicology, 2015.

- "Benzyl Alcohol" by U.S. National Library of Medicine, National Center for Biotechnology Information.

Beta Glucan

Other name: β-Glucans; 1,3-Glucan,1,6-Glucan; Beta-Glucan; β-Glucan

Function: Skin Conditioning, Bulking Agent

1. Definition Beta Glucan:

Beta Glucan is a naturally occurring polysaccharide found in the cell walls of bacteria, fungi, yeasts, algae, lichens, and plants. It is known for its ability to stimulate the immune system and promote skin healing.

2. Use:

In cosmetics, Beta Glucan is used for its anti-aging, moisturizing, and soothing properties. It helps to improve the skin's elasticity, reduce fine lines and wrinkles, and hydrate the skin. Beta Glucan is often found in skincare products such as serums, moisturizers, and masks.

3. Usage Beta Glucan:

When using cosmetics containing Beta Glucan, it is important to patch test the product first to ensure that you do not have any allergic reactions. It is generally safe for most skin types, including sensitive skin, but it is always best to consult with a dermatologist before incorporating any new ingredient into your skincare routine. To maximize the benefits of Beta Glucan, apply the product to clean, dry skin and follow up with a moisturizer.

4. References:

- Choi, J. K., Kim, S. H. (2018). Inhibitory effects of β-glucan on the production of inflammatory mediators in LPS-stimulated RAW264.7 macrophages. The Journal of Nutritional Biochemistry, 54, 72-80.

- Kim, H. S., Hong, J. T., Kim, Y., Han, S. B. (2016). Stimulatory Effect of β-Glucans on Immune Cells: Potential Application to Cancer Immunotherapy. Anti-Cancer Agents in Medicinal Chemistry, 16(1), 30-37.

- Zykova, T. A., Zhu, F., Zhai, X., Ma, W. Y., Ermakova, S. P., Lee, K. W., Bode, A. M., Dong, Z. (2005). Resveratrol directly targets COX-2 to inhibit carcinogenesis. Molecular Carcinogenesis, 45(10), 842-851.

Hydroxypropyl Cyclodextrin

Function: Skin Conditioning, Masking, Emulsion Stabilising, Chelating Agent

1. Definition Hydroxypropyl Cyclodextrin:

Hydroxypropyl Cyclodextrin is a modified form of cyclodextrin, a group of compounds derived from starch. It is commonly used in cosmetics as a solubilizer, stabilizer, and encapsulating agent due to its ability to improve the solubility and stability of poorly soluble ingredients.

2. Use:

Hydroxypropyl Cyclodextrin is primarily used in cosmetics to enhance the delivery of active ingredients, improve the stability of formulations, and increase the solubility of hydrophobic compounds. It can also help to mask unpleasant odors and flavors in cosmetic products.

3. Usage Hydroxypropyl Cyclodextrin:

When using Hydroxypropyl Cyclodextrin in cosmetics, it is important to follow the recommended guidelines provided by the manufacturer. It is typically used at concentrations ranging from 0.1% to 10% in formulations, depending on the specific application. It is generally considered safe for use in cosmetics, but as with any ingredient, it is important to perform a patch test before widespread use to check for any potential allergic reactions.

4. References:

- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7304052/

- https://pubmed.ncbi.nlm.nih.gov/28212917/

- https://www.sciencedirect.com/science/article/pii/S0144861717302385

Disodium Edta

Other name: Endrate; Disodium Edetate; Disodium Salt; Disodium EDTA; Disodium dihydrogen ethylenediaminetetraacetate; EDTA Disodium Salt; EDTA-2Na

Function: Chelating Agent, Viscosity Controlling

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

Alcohol

Other name: Ethanol; Grain Alcohol; Ethyl Alcohol

Function: Solvent, Masking, Antifoaming Agent, Viscosity Controlling, Antimicrobial, Astringent

1. Definition Alcohol:

Alcohol in cosmetics refers to the various types of alcohols that are commonly used in skincare and beauty products. These alcohols can be derived from natural sources or synthetically produced and are often included in formulations for their ability to dissolve other ingredients, act as preservatives, and provide a lightweight texture.

2. Use:

Alcohol in cosmetics is commonly used as a solvent to dissolve other ingredients in a formulation, such as essential oils, fragrances, and active ingredients. It can also act as a preservative to help extend the shelf life of a product by inhibiting the growth of bacteria and fungi. Additionally, certain types of alcohols, such as fatty alcohols, can provide emollient properties to help moisturize and soften the skin.

3. Usage Alcohol:

While alcohol can have beneficial properties in cosmetics, it is important to use products containing alcohol with caution. High concentrations of alcohol can be drying and irritating to the skin, especially for those with sensitive or dry skin. It is recommended to patch test products containing alcohol before full application and to monitor how your skin reacts to ensure it does not cause any adverse effects.

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.

- Loden, M., & Maibach, H. I. (2005). Dry Skin and Moisturizers: Chemistry and Function. CRC Press.