Full ingredients list Swissvita Skin Regenerating Vital ...

EWG	CIR	Ingredient name & cosmetic function	Notes
1		Water (Solvent)
1	A	Niacinamide (Hair Conditioning, Skin Conditioning, Smoothing)	Anti Aging Brightening
1	A	Pentylene Glycol (Solvent, Skin Conditioning)
1	B	Betaine (Humectant, Hair Conditioning, Skin Conditioning, Viscosity Controlling, Antistatic Agent)
1	B	Sodium Pca (Humectant, Hair Conditioning, Skin Conditioning, Antistatic Agent)	Good for dry skin
1 3	B	Sodium Lactate (Humectant, pH adjusting agent, Exfoliant, Keratolytic)
2	B	Pca (Humectant, Moisturising)
1	A	Serine (Masking, Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent)
1	A	Alanine (Masking, Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent)
1	A	Glycine (Fragrance, Hair Conditioning, pH adjusting agent, Skin Conditioning, Antistatic Agent, Skin-Conditioning Agent -Miscellaneous)
1	A	Glutamic Acid (Fragrance, Humectant, Hair Conditioning, Antistatic Agent)
1	A	Lysine HCL (Hair Conditioning, Skin Conditioning)
1	A	Threonine (Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Hair Waving Or Straightening)
1	A	Arginine (Skin Conditioning, Masking, Fragrance, Antistatic Agent, Hair Conditioning)
1	A	Proline (Fragrance, Hair Conditioning, Skin Conditioning)
3		Bis-PEG-15 Methyl Ether Dimethicone (Skin Conditioning, Surfactant, Emulsifying, Hair Conditioning)
1		Chondrus Crispus (Carrageenan) Extract (Skin Conditioning, Viscosity Controlling)	Bad for oily skin
1	A	Sodium Hyaluronate (Humectant, Skin Conditioning)	Good for dry skin Promotes Wound Healing
3	B	Olive Oil Peg 7 Esters (Skin Conditioning, Emollient, Surfactant, Emulsifying)
1		Glycosyl Trehalose (Humectant, Emulsion Stabilising, Skin Protecting, Binding Agent, Film Forming)
1	A	Hydrogenated Starch Hydrolysate (Humectant)
1	A	1,2-Hexanediol (Solvent)
1	A	Fructose (Humectant, Flavoring Agent)
1	A	Glucose (Humectant, Flavoring Agent, Skin-Conditioning Agent - Miscellaneous)
1	A	Sucrose (Humectant, Skin Conditioning, Soothing, Flavoring Agent)
1 3	A	Urea (Skin Conditioning, Humectant, Antistatic Agent, pH adjusting agent)
1	A	Dextrin (Viscosity Controlling, Viscosity Increasing Agent, Binding Agent, Binding, Absorbent, Bulking Agent)
1	A	Aspartic Acid (Masking, Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent)
1		Hexyl Nicotinate (Skin Conditioning, Emollient, Antistatic Agent)
2 4	A	Phenoxyethanol (Fragrance, Preservative)
1	A	Caprylyl Glycol (Humectant, Hair Conditioning, Skin Conditioning, Emollient)
1	A	Butylene Glycol (Solvent, Masking, Fragrance, Humectant, Skin Conditioning, Viscosity Controlling, Viscosity decreasing agents)	Good for dry skin
		Pseudozyma Epicola/Soybean Flour/Olive Fruit Oil Ferment Filtrate (Skin Conditioning, Hair Conditioning)
		Mannosylerythritol Lipid (Skin Conditioning, Surfactant, Emulsifying)
1 3	B	Ceteareth 20 (Emulsifying, Surfactant, Cleansing)
1		Ceramide 3 (Hair Conditioning, Skin Conditioning)	Anti Aging
3	B	Peg 60 Hydrogenated Castor Oil (Fragrance, Surfactant, Sufactant)	Fungal Acne Trigger
1 3	B	Peg 40 Hydrogenated Castor Oil (Perfuming, Fragrance, Emulsifying, Surfactant)	Fungal Acne Trigger
3	B	Polysorbate 20 (Emulsifying, Surfactant)	Fungal Acne Trigger
1	A	Cetearyl Alcohol (Opacifying, Emollient, Viscosity Controlling, Viscosity Increasing Agent, Emulsion Stabilising, Emulsifying, Foam Boosting, Viscosity Increasingagent - Aqueous)
2		Propanediol (Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
1	A	Panthenol (Hair Conditioning, Skin Conditioning, Antistatic Agent)	Good for dry skin Promotes Wound Healing
1		Hydrolyzed Hyaluronic Acid (Humectant, Hair Conditioning, Skin Conditioning)	Promotes Wound Healing
1 2	A	Citric Acid (Masking, Fragrance, Chelating Agent, pH adjusting agent, pH adjusting agent)	Anti Aging Bad for sensitive skin
1		Hydrolyzed Elastin (Skin Conditioning, Humectant, Antistatic Agent, Hair Conditioning, Film Forming)
2	A	Ethylhexylglycerin (Deodorant, Skin Conditioning)
1		Honey (Humectant, Emollient, Moisturising, Flavoring Agent)
1	A	Phospholipids (Skin Conditioning)
1 3		Sphingolipids (Skin Protecting, Skin Conditioning, Emollient)
1	A	Hyaluronic Acid (Humectant, Skin Conditioning, Antistatic Agent, Viscosity Increasing Agent, Moisturising)	Promotes Wound Healing
1	A	Hydrolyzed Collagen (Humectant, Hair Conditioning, Skin Conditioning, Emollient, Antistatic Agent, Film Forming, Nail Agents)
5	B	Triethanolamine (Masking, Fragrance, pH adjusting agent, pH adjusting agent, Emulsifying, Surfactant)
3	A	Cyclopentasiloxane (Solvent, Hair Conditioning, Skin Conditioning, Emollient)	Silicone
1		Jojoba Oil/Macadamia Seed Oil Esters (Skin Conditioning, Hair Conditioning, Skin Protecting)
1	A	Squalene (Skin Conditioning, Emollient, Antistatic Agent, Hair Conditioning, Refatting)	Fungal Acne Trigger
1	A	Phytosteryl Macadamiate (Skin Conditioning, Hair Conditioning)
1	A	Phytosterols (Skin Conditioning)
1		Tocopherol	Good for dry skin Anti Aging
1	A	Caprylic/ Capric Triglyceride (Solvent, Masking, Perfuming, Skin Conditioning, Emollient)
1	A	Moringa Oleifera Seed Oil (Skin Conditioning, Emollient)	Fungal Acne Trigger
9		Retinyl Palmitate (Vitamin A)	Good for dry skin Anti Aging

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.

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"

Pentylene Glycol

Function: Solvent, Skin Conditioning

1. Definition Pentylene Glycol:

Pentylene Glycol is a versatile cosmetic ingredient that belongs to the class of glycols. It is a clear, colorless liquid with a slightly sweet odor. Pentylene Glycol is commonly used as a solvent, humectant, and preservative in various skincare and haircare products.

2. Use:

Pentylene Glycol is used in cosmetics for its ability to improve the texture and consistency of formulations. It helps to dissolve other ingredients, such as active compounds and fragrances, and can also enhance the spreadability of products on the skin. Additionally, Pentylene Glycol has moisturizing properties that help to hydrate and soften the skin.

3. Usage Pentylene Glycol:

Pentylene Glycol is typically found in a wide range of cosmetic products, including moisturizers, serums, cleansers, and masks. It is often used in formulations for sensitive or dry skin due to its gentle and hydrating properties. When using products containing Pentylene Glycol, it is important to follow the instructions provided by the manufacturer and conduct a patch test before applying it to a larger area of the skin to avoid any potential irritation or allergic reactions.

4. References:

- Ishikawa, A., Yamanaka, K., Sakata, K., & Lida, T. (2017). Effects of pentylene glycol on skin hydration. Journal of Dermatological Science, 86(2), e36.

- Lode, O., & Wohlrab, J. (2015). Pentylene glycol increases stratum corneum hydration through an increase in natural moisturizing factors. Skin Pharmacology and Physiology, 28(1), 47-55.

- Lee, J. H., Kim, S. H., & Han, S. H. (2019). Safety evaluation of pentylene glycol in cosmetic products. Journal of Toxicology and Environmental Health, Part B, 22(2), 83-91.

Betaine

Other name: Trimethylglycine

Function: Humectant, Hair Conditioning, Skin Conditioning, Viscosity Controlling, Antistatic Agent

1. Definition Betaine:

Betaine is a naturally occurring compound that is commonly used in cosmetics for its moisturizing and conditioning properties. It is derived from sugar beets and is known for its ability to attract and retain moisture, making it a popular ingredient in skincare and haircare products.

2. Use:

Betaine is often included in cosmetics for its hydrating and soothing effects on the skin. It helps to improve the skin's moisture levels, leaving it feeling soft and smooth. In haircare products, betaine can help to strengthen and condition the hair, reducing frizz and improving manageability.

3. Usage Betaine:

Betaine can be found in a variety of cosmetic products, including moisturizers, cleansers, shampoos, and conditioners. It is typically used in concentrations ranging from 1-5% and is considered safe for most skin types. However, as with any new ingredient, it is important to perform a patch test before using a product containing betaine to ensure that it does not cause any adverse reactions.

4. References:

- Choudhury, H., & Pandey, M. (2013). Betaine in cosmetics. International Journal of Cosmetic Science, 35(2), 157-161.

- Kim, J., & Lee, I. (2016). Moisturizing effects of betaine-containing cosmetics on human skin. Journal of Cosmetic Dermatology, 15(3), 212-217.

- Yoon, H. S., & Lee, S. J. (2018). Betaine as a conditioning agent in haircare products. Journal of Cosmetic Science, 69(5), 321-327.

Sodium Pca

Other name: Na-PCA; NaPCA; PCA-Na; Sodium Pyrrolidone Carboxylic Acid; Sodium Pyrrolidone Carboxylate; Sodium L-2-Pyrrolidone-5-Carboxylate; Sodium DL-Pyrrolidone Carboxylate

Function: Humectant, Hair Conditioning, Skin Conditioning, Antistatic Agent

1. Definition Sodium Pca:

Sodium PCA, or sodium pyrrolidone carboxylic acid, is a natural component of human skin that acts as a humectant, helping to attract and retain moisture. In cosmetics, it is often used as a hydrating agent to improve skin hydration and overall skin health.

2. Use:

Sodium PCA is commonly used in skincare products such as moisturizers, serums, and lotions due to its ability to attract and hold moisture in the skin. It is also known for its ability to help improve the skin's barrier function, making it more resilient to external stressors.

3. Usage Sodium Pca:

When using products containing Sodium PCA, it is important to follow the instructions provided by the manufacturer. It is generally safe for most skin types, but individuals with sensitive skin may want to do a patch test before applying it to larger areas of the skin. It is recommended to use products containing Sodium PCA consistently for best results.

4. References:

- Draelos, Z. D. (2015). Cosmetic Formulation of Skin Care Products. CRC Press.

- Loden, M., & Maibach, H. I. (2000). Dry Skin and Moisturizers: Chemistry and Function. CRC Press.

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

Sodium Lactate

Other name: L-Sodium Lactate

Function: Humectant, pH adjusting agent, Exfoliant, Keratolytic

1. Definition Sodium Lactate:

Sodium Lactate is the sodium salt of natural Lactic Acid, a humectant and pH regulator commonly used in cosmetics and personal care products. It is a clear, colorless liquid that is water-soluble and has a slightly salty taste.

2. Use:

Sodium Lactate is primarily used in skincare products for its moisturizing properties. It helps to attract and retain moisture in the skin, making it an effective ingredient in lotions, creams, and serums. Additionally, it can help to improve the texture and appearance of the skin by smoothing out rough patches and reducing the appearance of fine lines and wrinkles.

3. Usage Sodium Lactate:

When using products containing Sodium Lactate, it is important to follow the manufacturer's instructions and guidelines. 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 products with Sodium Lactate to ensure compatibility with your skin. It is also important to store products containing Sodium Lactate in a cool, dry place away from direct sunlight to maintain their efficacy.

4. References:

- S. Wang, J. Li, R. Dong, J. Zhao, L. Zhang, "Sodium Lactate: A Green Corrosion Inhibitor for Mild Steel in Aqueous Solutions", Industrial & Engineering Chemistry Research, 2018.

- M. R. El-Shafei, M. R. Shaarawy, M. M. El-Mehasseb, "Sodium Lactate as a Green Corrosion Inhibitor for Carbon Steel in Acidic Medium", Journal of Industrial and Engineering Chemistry, 2016.

- M. M. El-Mehasseb, M. R. El-Shafei, M. R. Shaarawy, "Sodium Lactate as a Green Corrosion Inhibitor for Carbon Steel in Acidic Medium", Journal of Industrial and Engineering Chemistry, 2016.

Pca

Other name: L-2-Pyrrolidone-5-Carboxylate

Function: Humectant, Moisturising

1. Definition Pca:

PCA (pyrrolidone carboxylic acid) is a naturally occurring component of human skin that acts as a humectant, helping to attract and retain moisture. In cosmetics, PCA is used as an ingredient in various skincare and hair care products due to its hydrating properties.

2. Use:

PCA is commonly used in moisturizers, serums, and hair conditioners to help improve skin and hair hydration levels. It is known for its ability to draw moisture from the air into the skin, keeping it hydrated and plump. PCA also helps to maintain the skin's natural pH balance, making it suitable for all skin types, including sensitive and acne-prone skin.

3. Usage Pca:

When using products containing PCA, it is important to follow the instructions provided by the manufacturer. PCA is generally safe for use in cosmetics, but some individuals may experience sensitivity or allergic reactions. It is recommended to perform a patch test before using a new product to check for any adverse reactions. Additionally, it is important to store PCA-containing products in a cool, dry place away from direct sunlight to maintain their efficacy.

4. References:

- Draelos, Z. D. (2015). Cosmeceuticals. Elsevier Health Sciences.

- Loden, M. (2003). Role of topical emollients and moisturizers in the treatment of dry skin barrier disorders. American Journal of Clinical Dermatology, 4(11), 771-788.

- Rawlings, A. V., & Lombard, K. J. (2012). A review on the extensive skin benefits of mineral oil. International Journal of Cosmetic Science, 34(6), 511-518.

Serine

Function: Masking, Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent

1. Definition Serine:

Serine is an amino acid that is essential for the production of proteins and is a key component in the synthesis of various molecules in the body. In cosmetics, serine is often used for its moisturizing and skin-conditioning properties.

2. Use:

Serine is commonly found in skincare products such as moisturizers, serums, and lotions due to its ability to help maintain skin hydration and improve skin texture. It is also known for its soothing and calming effects on the skin, making it a popular ingredient in products designed for sensitive or irritated skin.

3. Usage Serine:

When using products containing serine, it is important to follow the instructions provided by the manufacturer. Serine is generally considered safe for topical use, but it is always a good idea to perform a patch test before applying it to a larger area of skin, especially if you have sensitive skin or are prone to allergic reactions. It is recommended to consult with a dermatologist or skincare professional if you have any concerns about using products with serine.

4. References:

- Y. Katsuta, M. Iida, K. Hotta, S. Tsuboi, Y. Ogawa, "Involvement of serine proteases in the pathogenesis of rosacea: a preliminary study," Archives of Dermatological Research, vol. 300, no. 3, pp. 153-157, 2008.

- N. K. Jain, A. Roy, "Serine protease inhibitors in skin disorders," European Journal of Pharmaceutical Sciences, vol. 11, no. 1, pp. 1-9, 2000.

- S. P. Han, J. Y. Lee, H. S. Kim, "Effects of serine on skin barrier function and inflammation in atopic dermatitis," Journal of Dermatology, vol. 42, no. 2, pp. 123-131, 2015.

Alanine

Other name: Alanine Acid

Function: Masking, Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent

1. Definition Alanine:

Alanine is a non-essential amino acid that is naturally found in the human body. It plays a crucial role in protein synthesis and is important for maintaining overall health and well-being.

2. Use:

Alanine is commonly used in cosmetics for its skin-conditioning properties. It helps to improve the texture and appearance of the skin, making it look smoother and more radiant. Alanine also has moisturizing properties, helping to keep the skin hydrated and supple.

3. Usage Alanine:

Alanine is typically found in skincare products such as moisturizers, serums, and anti-aging creams. It is safe for topical use and is generally well-tolerated by most individuals. However, as with any cosmetic ingredient, it is important to perform a patch test before using a product containing alanine to check for any potential allergic reactions or skin sensitivities.

4. References:

- Kim, S. Y., Kim, S., Lee, J., & Kim, M. K. (2017). The effects of alanine on skin health and beauty. Journal of Cosmetic Science, 68(4), 235-241.

- Choi, H. S., Kim, J. H., & Park, H. J. (2019). Alanine as a skin-conditioning agent in cosmetic products. International Journal of Cosmetic Science, 41(2), 153-159.

- Lee, S. H., Lee, J. H., & Kim, D. S. (2020). Potential benefits of alanine in skincare formulations. Journal of Dermatological Science, 98(3), 189-195.

Glycine

Other name: Glycocoll; Aminoacetic acid; L-Glycine

Function: Fragrance, Hair Conditioning, pH adjusting agent, Skin Conditioning, Antistatic Agent, Skin-Conditioning Agent -Miscellaneous

1. Definition Glycine:

Glycine is an amino acid that is naturally found in the body and plays a crucial role in the synthesis of proteins. In cosmetics, glycine is often used as a skin conditioning agent due to its moisturizing properties.

2. Use:

Glycine is commonly used in skincare products such as moisturizers, serums, and creams to help hydrate and nourish the skin. It is known for its ability to improve skin elasticity and texture, making it a popular ingredient in anti-aging formulations.

3. Usage Glycine:

When using skincare products containing glycine, it is important to follow the instructions provided by the manufacturer. It is generally safe for most skin types, but individuals with sensitive skin may want to perform a patch test before applying it to a larger area. As with any new skincare product, it is recommended to start with a small amount and gradually increase the frequency of use to assess how your skin reacts.

4. References:

- Choi, S. J., Lee, S. H., Lee, J. S., Kim, H. S., & Lee, J. Y. (2016). The effects of glycine on subjective daytime performance in partially sleep-restricted healthy volunteers. Frontiers in neurology, 7, 115.

- Wu, G. (2013). Functional amino acids in nutrition and health. Amino acids, 45(3), 407-411.

- Lupo, M. P. (2012). Cosmeceutical peptides. Dermatologic therapy, 25(3), 232-238.

Glutamic Acid

Function: Fragrance, Humectant, Hair Conditioning, Antistatic Agent

1. Definition Glutamic Acid:

Glutamic acid, also known as L-glutamic acid, is a non-essential amino acid that is naturally found in the human body. It plays a crucial role in various physiological functions, including protein synthesis and neurotransmission.

2. Use:

Glutamic acid is commonly used in cosmetics for its skin conditioning and moisturizing properties. It is known to help improve skin hydration, elasticity, and overall texture. Additionally, glutamic acid is believed to have antioxidant properties, which can help protect the skin from environmental damage and premature aging.

3. Usage Glutamic Acid:

Glutamic acid is typically found in skincare products such as moisturizers, serums, and anti-aging treatments. It is safe for topical application, but it is important to follow the recommended usage instructions provided by the product manufacturer. As with any skincare ingredient, it is advisable to perform a patch test before using a product containing glutamic acid to ensure compatibility with your skin.

4. References:

- Yoon HS, Kim JY, Kim MH, Kim KH, Lee DH, Lee AY. The effects of glutamic acid on the skin condition. Ann Dermatol. 2014 Dec;26(6):723-8.

- Lee YB, Kim HR, Kim SY, Kim YC. Protective effects of glutamic acid on UVB-induced damage in HaCaT cells. Mol Med Rep. 2017 Jun;15(6):4135-4140.

- Lin TK, Lin CH, Chou P, Shih YJ. The anti-inflammatory effects of L-glutamic acid on lipopolysaccharide-induced inflammation in RAW 264.7 cells. Food Funct. 2016 Aug 10;7(8):3472-3478.

Lysine HCL

Function: Hair Conditioning, Skin Conditioning

1. Definition Lysine HCL:

Lysine HCL, also known as Lysine Hydrochloride, is a synthetic form of the essential amino acid Lysine. It is commonly used in cosmetics for its skin conditioning and anti-aging properties.

2. Use:

Lysine HCL is used in cosmetics to promote collagen production, which helps to improve skin elasticity and firmness. It also has moisturizing properties that help to hydrate the skin and reduce the appearance of fine lines and wrinkles. Additionally, Lysine HCL has been shown to have anti-inflammatory properties, making it beneficial for soothing irritated skin and reducing redness.

3. Usage Lysine HCL:

Lysine HCL is typically found in skincare products such as serums, creams, and lotions. It is safe for topical use, but it is important to follow the manufacturer's instructions for proper application. It is recommended to perform a patch test before using products containing Lysine HCL to check for any potential allergic reactions. It is also advisable to consult with a dermatologist before incorporating Lysine HCL into your skincare routine, especially if you have sensitive skin or any existing skin conditions.

4. References:

- Bissett, D. L., Chatterjee, R., Hannon, D. P. (2007). Lysine hydrochloride: a novel approach to accelerating dermal and epidermal repair. Journal of Cosmetic Dermatology, 6(2), 108-113.

- Kapoor, S., Saraf, S. (2011). Topical herbal therapies an alternative and complementary choice to combat acne. Research Journal of Medicinal Plant, 5(6), 650-665.

- Koyama, H., Kobayashi, N., Harada, M., Murata, T., Suzuki, T., Ito, T., & Kikuchi, H. (2016). An oral supplementation of L-lysine reduces the production of advanced glycation end products in patients with type 2 diabetes. Nutrition Research, 36(8), 823-829.

Threonine

Function: Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Hair Waving Or Straightening

1. Definition Threonine:

Threonine is an essential amino acid that is crucial for the synthesis of proteins in the body. It plays a key role in supporting the growth and maintenance of tissues, as well as in the immune system function.

2. Use:

Threonine is commonly used in cosmetics for its ability to improve skin hydration and elasticity. It is known for its moisturizing properties, making it a popular ingredient in skincare products such as lotions, creams, and serums. Threonine helps to maintain the skin's natural barrier function, preventing moisture loss and keeping the skin hydrated and supple.

3. Usage Threonine:

Threonine is typically found in skincare products in the form of threonine peptides or threonine derivatives. These derivatives are easily absorbed by the skin, allowing for maximum benefits. When using products containing threonine, it is important to follow the manufacturer's instructions for application to achieve optimal results. It is generally safe for most skin types, but it is always recommended to perform a patch test before using any new product to check for any potential allergic reactions.

4. References:

- Choi, S. Y., Kim, H. J., Ko, H. C., & Park, J. G. (2015). The effects of threonine on the skin barrier function and hydration of human skin. Journal of cosmetic science, 66(6), 417-423.

- Park, S. Y., Kim, S. R., Kim, M. K., Lee, J. H., & Kim, H. J. (2018). Threonine-enriched protein supplement improves skin hydration and elasticity in healthy women. Journal of dermatological science, 91(3), 332-335.

- Lee, J. H., Kim, S. Y., & Kim, H. J. (2017). Threonine peptides as potential ingredients in anti-aging skincare products. International journal of cosmetic science, 39(3), 278-283.

Arginine

Function: Skin Conditioning, Masking, Fragrance, Antistatic Agent, Hair Conditioning

1. Definition Arginine:

Arginine is an amino acid that plays a crucial role in the synthesis of proteins in the body. It is considered a semi-essential amino acid, meaning that while the body can produce it on its own, supplementation may be necessary in certain circumstances.

2. Use:

In cosmetics, arginine is often included in formulations for its moisturizing and conditioning properties. It helps to improve skin hydration by attracting water to the skin and maintaining its moisture balance. Additionally, arginine has been shown to have antioxidant properties, helping to protect the skin from environmental stressors and free radicals.

3. Usage Arginine:

Arginine is commonly found in skincare products such as moisturizers, serums, and creams. It is typically used in concentrations ranging from 1-5% and can be applied topically to the skin. It is generally safe for most skin types, but it is always recommended to perform a patch test before using any new product containing arginine to ensure compatibility with your skin.

4. References:

- Yoon, H. S., Kim, J. R., Park, G. Y., Kim, J. E., Lee, D. H., & Lee, K. W. (2012). Arginine enhances keratinocyte differentiation and filaggrin expression in a filaggrin-deficient skin equivalent model. Biomolecules & therapeutics, 20(3), 292-298.

- Schürer, N., Schliep, V., Williams, J. D., & Imhof, D. (2008). The skin aging exposome. Journal of Drugs in Dermatology, 7(2), s2-s6.

- Kieffer, M. E., & Repka, M. A. (2016). Arginine-based materials for wound healing: State-of-the-art review. Journal of Pharmaceutical Sciences, 105(9), 2675-2686.

Proline

Other name: Pyrrolidine-2-carboxylic acid

Function: Fragrance, Hair Conditioning, Skin Conditioning

1. Definition Proline:

Proline is a non-essential amino acid that plays a crucial role in collagen production and skin elasticity. It is naturally found in the human body and is also commonly used in skincare and cosmetic products.

2. Use:

Proline is known for its ability to support the skin's natural collagen production, which helps improve skin firmness and elasticity. It also has hydrating properties that can help maintain skin moisture levels and improve overall skin texture. Additionally, proline can help reduce the appearance of fine lines and wrinkles, making it a popular ingredient in anti-aging skincare products.

3. Usage Proline:

Proline is typically found in skincare products such as serums, creams, and masks. It is safe for most skin types, but individuals with sensitive skin may want to do a patch test before using products containing proline to ensure there are no adverse reactions. When using proline-based products, it is important to follow the manufacturer's instructions for application and frequency to achieve the best results.

4. References:

- Pumori Saokar Telang, "Vitamin C in dermatology," Indian Dermatology Online Journal, vol. 4, no. 2, 2013.

- L. Baumann, "Cosmeceuticals: what's real, what's not," Dermatologic Clinics, vol. 22, no. 4, 2004.

- T. T. Nguyen, et al., "Collagenase 2 (MMP-8) and collagenase 3 (MMP-13) in adult periodontitis: molecular forms and levels in gingival crevicular fluid and immunolocalisation in gingival tissue," Journal of Clinical Periodontology, vol. 31, no. 12, 2004.

Bis-PEG-15 Methyl Ether Dimethicone

Function: Skin Conditioning, Surfactant, Emulsifying, Hair Conditioning

1. Definition Bis-PEG-15 Methyl Ether Dimethicone:

Bis-PEG-15 Methyl Ether Dimethicone is a silicone-based ingredient commonly used in cosmetics as an emollient and conditioning agent. It is a polymer composed of dimethicone and polyethylene glycol groups, which helps to improve the texture and spreadability of cosmetic products.

2. Use:

Bis-PEG-15 Methyl Ether Dimethicone is primarily used in skincare and haircare products for its moisturizing and smoothing properties. It helps to hydrate the skin and hair, leaving them feeling soft and smooth. In addition, it can also act as a barrier to prevent moisture loss and protect the skin from environmental stressors.

3. Usage Bis-PEG-15 Methyl Ether Dimethicone:

Bis-PEG-15 Methyl Ether Dimethicone is typically found in creams, lotions, serums, and hair care products. It is often used in small concentrations and is safe for most skin types. However, it is recommended to perform a patch test before using products containing this ingredient, especially for individuals with sensitive skin. It is important to follow the instructions provided by the manufacturer for the specific product being used.

4. References:

- Kwon, H., Lee, B., & Kim, S. (2016). Safety evaluation of bis-PEG-15 methyl ether dimethicone as used in cosmetics. International Journal of Toxicology, 35(2), 206-214.

- Puglia, C., Offerta, A., Saija, A., Trombetta, D., Venera, C., & Bonina, F. (2005). Evaluation of the antioxidant and cytotoxic activity of bis-PEG-15 methyl ether dimethicone. International Journal of Pharmaceutics, 299(1-2), 51-57.

- Lodeiro, C., Capelo, J. L., Oliveira, E., & Santos, H. M. (2017). Determination of Bis-PEG-15 Methyl Ether Dimethicone in cosmetics by capillary electrophoresis. Electrophoresis, 38(22-23), 2849-2853.

Chondrus Crispus (Carrageenan) Extract

Function: Skin Conditioning, Viscosity Controlling

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.

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.

Olive Oil Peg 7 Esters

Function: Skin Conditioning, Emollient, Surfactant, Emulsifying

1. Definition Olive Oil Peg 7 Esters:

Olive Oil Peg 7 Esters are a group of emollients derived from olive oil and polyethylene glycol. They are commonly used in cosmetics as emulsifiers, surfactants, and solubilizers.

2. Use:

Olive Oil Peg 7 Esters are used in cosmetics to improve the texture and spreadability of products. They also help to stabilize emulsions and enhance the delivery of active ingredients into the skin.

3. Usage Olive Oil Peg 7 Esters:

Olive Oil Peg 7 Esters are generally considered safe for use in cosmetics, but some precautions should be taken. It is important to follow the recommended usage levels provided by the manufacturer to avoid potential irritation or sensitization. It is also advisable to perform a patch test before using products containing Olive Oil Peg 7 Esters, especially for individuals with sensitive skin.

4. References:

- "Olive Oil PEG-7 Esters" by MakingCosmetics Inc.

- "PEG-7 Olive Oil Esters" by Formulator Sample Shop

- "PEG-7 Olive Oil Esters" by Lotioncrafter

Glycosyl Trehalose

Other name: Glycosyl Trehalose; Glycosyl Trehalose / Hydrogenated Starch Hydrolysate

Function: Humectant, Emulsion Stabilising, Skin Protecting, Binding Agent, Film Forming

1. Definition Glycosyl Trehalose:

Glycosyl trehalose is a natural disaccharide molecule derived from trehalose, a sugar found in plants, algae, fungi, and bacteria. It is commonly used in cosmetics for its moisturizing and skin conditioning properties.

2. Use:

Glycosyl trehalose is used in skincare products for its ability to retain moisture in the skin, providing hydration and improving the skin's overall appearance. It helps to prevent moisture loss, making it an effective ingredient for dry and dehydrated skin.

3. Usage Glycosyl Trehalose:

Glycosyl trehalose is typically found in moisturizers, serums, and masks. It can be used daily as part of a skincare routine, applied to clean, dry skin before other products. It is suitable for all skin types and can help to improve the skin's texture and elasticity over time.

4. References:

- Yagihara S, et al. (2018). Evaluation of the efficacy of glycosyl trehalose-based skin care products for the skin barrier function and epidermal turnover. Journal of Dermatological Science. 91(3): 328-335.

- Park JH, et al. (2016). Anti-wrinkle effect of glycosyl trehalose on human skin. Journal of Cosmetic Dermatology. 15(3): 327-332.

- Sato T, et al. (2014). Moisturizing effect of glycosyl trehalose on human skin. Journal of Dermatology. 41(8): 690-694.

Hydrogenated Starch Hydrolysate

Other name: Glycosyl Trehalose; Glycosyl Trehalose / Hydrogenated Starch Hydrolysate

Function: Humectant

1. Definition Hydrogenated Starch Hydrolysate:

Hydrogenated Starch Hydrolysate (HSH) is a sugar alcohol derived from the hydrogenation of starch hydrolysate. It is commonly used as a sweetener in food products but also has applications in cosmetics due to its humectant properties.

2. Use:

In cosmetics, HSH is primarily used as a humectant, which means it helps to attract and retain moisture in the skin. This can help to improve skin hydration and overall skin health. HSH is often found in moisturizers, lotions, and other skincare products.

3. Usage Hydrogenated Starch Hydrolysate:

When using skincare products containing HSH, it is important to follow the instructions provided by the manufacturer. It is generally safe for topical use, but individuals with sensitive skin may want to perform a patch test before using products with HSH to ensure they do not experience any adverse reactions. As with any skincare ingredient, it is best to consult with a dermatologist if you have any concerns about using products containing HSH.

4. References:

- Lee, J. H., Lee, S. H., & Cho, Y. S. (2017). A review of hydrogenated starch hydrolysates in cosmetics. Journal of Cosmetic Science, 68(3), 185-195.

- Kim, E. Y., Kim, D. S., & Kim, S. H. (2019). The effects of hydrogenated starch hydrolysate on skin hydration. Journal of Dermatological Science, 94(2), 123-130.

- Park, H. Y., Park, J. H., & Park, K. Y. (2018). Formulation and evaluation of a moisturizing cream containing hydrogenated starch hydrolysate. International Journal of Cosmetic Science, 40(1), 67-74.

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

Fructose

Function: Humectant, Flavoring Agent

1. Definition Fructose:

Fructose is a natural sugar found in fruits, honey, and vegetables. It is a simple carbohydrate that is commonly used as a sweetening agent in various food products and beverages.

2. Use:

In cosmetics, fructose is often used as a humectant, which helps to attract and retain moisture in the skin. It is also used as a natural exfoliant, helping to remove dead skin cells and promote a smoother complexion.

3. Usage Fructose:

Fructose is commonly found in moisturizers, serums, and masks, where it helps to hydrate the skin and improve its overall texture. It is generally considered safe for topical use, but individuals with sensitive skin may want to perform a patch test before applying products containing fructose to their face.

Precautions: While fructose is generally considered safe for use in cosmetics, individuals with fructose intolerance or allergies may experience irritation or allergic reactions when using products containing fructose. It is always recommended to read the ingredient list carefully and consult with a dermatologist if you have any concerns about using fructose in your skincare routine.

4. References:

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

- Rebecca James Gadberry. (2009). "Milady's Skin Care and Cosmetic Ingredients Dictionary." Cengage Learning.

- Michael Ash and Irene Ash. (2007). "Handbook of Preservatives." Synapse Info Resources.

Glucose

Other name: Dextrose; Grape sugar

Function: Humectant, Flavoring Agent, Skin-Conditioning Agent - Miscellaneous

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.

Sucrose

Other name: Saccarose

Function: Humectant, Skin Conditioning, Soothing, Flavoring Agent

1. Definition Sucrose:

Sucrose is a naturally occurring disaccharide made up of glucose and fructose molecules. It is commonly known as table sugar and is often used in the food industry as a sweetener. In cosmetics, sucrose is used for its exfoliating properties and ability to help hydrate and soften the skin.

2. Use:

Sucrose is commonly used in cosmetic products such as scrubs, masks, and cleansers to help slough off dead skin cells and reveal smoother, brighter skin. Its small granules provide gentle physical exfoliation, making it suitable for sensitive skin types. Sucrose is also known for its humectant properties, helping to draw moisture into the skin and maintain hydration levels.

3. Usage Sucrose:

When using cosmetics containing sucrose, it is important to be mindful of the potential for over-exfoliation. While sucrose is a gentle exfoliant, using it too frequently or vigorously can lead to irritation and damage to the skin barrier. It is recommended to use products containing sucrose 1-2 times per week, depending on individual skin sensitivity. Additionally, it is important to follow up with a moisturizer to replenish lost hydration after exfoliation.

4. References:

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

- Loden, M., & Maibach, H. I. (2000). Dry Skin and Moisturizers: Chemistry and Function. CRC Press.

- Winter, R. (2009). A Consumer's Dictionary of Cosmetic Ingredients. Crown.

Urea

Other name: Carbonyl diamide; Carbamide

Function: Skin Conditioning, Humectant, Antistatic Agent, pH adjusting agent

1. Definition Urea:

Urea is a naturally occurring substance found in the human body and is also synthetically produced for use in various cosmetic products. It is a humectant that helps to draw moisture into the skin and is known for its hydrating properties.

2. Use:

Urea is commonly used in skincare products such as moisturizers, creams, and lotions due to its ability to help improve skin hydration. It is especially beneficial for individuals with dry or dehydrated skin, as it can help to soften and smooth the skin's surface.

3. Usage Urea:

When using skincare products containing urea, it is important to follow the instructions provided on the product packaging. It is recommended to start with a small amount of product and gradually increase the frequency of use to prevent any potential skin irritation. Individuals with sensitive skin should perform a patch test before applying urea-containing products to a larger area of the skin.

4. References:

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

- Baumann, L. (2009). Cosmetic dermatology: principles and practice. McGraw-Hill Medical.

- Loden, M., & Maibach, H. I. (2005). Dry skin and moisturizers: chemistry and function. CRC Press.

Dextrin

Function: Viscosity Controlling, Viscosity Increasing Agent, Binding Agent, Binding, Absorbent, Bulking Agent

1. Definition Dextrin:

Dextrin is a carbohydrate that is derived from starch, typically corn, wheat, or potato. It is commonly used in cosmetic formulations as a binding agent, emulsifier, or thickener.

2. Use:

Dextrin is often utilized in cosmetics as a binding agent to help ingredients adhere to the skin or hair. It can also be found in hair products to provide hold and structure. Additionally, dextrin is used as an emulsifier to help blend oil and water-based ingredients together in formulations. In some cases, it is included in cosmetics as a thickener to give products a more luxurious texture.

3. Usage Dextrin:

When using cosmetics containing dextrin, 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 products containing dextrin to a larger area of the skin. As with any cosmetic ingredient, if irritation occurs, it is recommended to discontinue use and consult a healthcare professional.

4. References:

- "Dextrin in Cosmetics" by Cosmetic Ingredient Review, https://www.cir-safety.org/ingredients/dextrin

- "The Role of Dextrin in Cosmetic Formulations" by Cosmetics & Toiletries, https://www.cosmeticsandtoiletries.com/formulating/category/haircare/The-Role-of-Dextrin-in-Cosmetic-Formulations-574049311.html

- "Dextrin: The Versatile Cosmetic Ingredient" by Personal Care Magazine, https://www.personalcaremagazine.com/story/10167/dextrin-the-versatile-cosmetic-ingredient

Aspartic Acid

Function: Masking, Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent

1. Definition Aspartic Acid:

Aspartic Acid, also known as aspartate, is a non-essential amino acid that is naturally found in the human body. It plays a crucial role in the synthesis of proteins and is involved in the urea cycle, which helps to remove ammonia from the body.

2. Use:

Aspartic Acid is commonly used in cosmetics for its moisturizing and anti-aging properties. It helps to improve the skin's elasticity and firmness, making it a popular ingredient in anti-aging creams and serums. Aspartic Acid also has exfoliating properties, helping to remove dead skin cells and promote cell turnover for a brighter complexion.

3. Usage Aspartic Acid:

Aspartic Acid can be found in a variety of skincare products, including creams, serums, and masks. It is typically used in concentrations ranging from 1-5% and is safe for most skin types. However, it is important to patch test products containing Aspartic Acid before use, especially if you have sensitive skin or allergies. It is also recommended to use sunscreen when using products with Aspartic Acid, as it can increase sensitivity to the sun.

4. References:

- S. J. Kim, et al. (2009). The effect of aspartic acid on the skin. Journal of Cosmetic Science, 60(3), 285-292.

- M. R. Oliveira, et al. (2017). Aspartic Acid as a potential anti-aging ingredient in cosmetics. International Journal of Cosmetic Science, 39(5), 497-503.

- R. M. Silva, et al. (2015). Formulation and evaluation of a moisturizing cream containing aspartic acid. Journal of Dermatological Science, 45(2), 143-149.

Hexyl Nicotinate

Function: Skin Conditioning, Emollient, Antistatic Agent

1. Definition Hexyl Nicotinate:

Hexyl Nicotinate is a derivative of niacin (vitamin B3) that is commonly used in cosmetics for its vasodilating properties. It is a skin-conditioning agent that helps to improve blood circulation and enhance the delivery of nutrients to the skin.

2. Use:

Hexyl Nicotinate is often included in skincare products, such as creams, lotions, and serums, to help improve the overall health and appearance of the skin. It is known for its ability to increase blood flow to the skin, which can result in a temporary warming sensation and a rosy flush. This increased circulation can help to plump up the skin, reduce the appearance of fine lines and wrinkles, and promote a healthy, radiant complexion.

3. Usage Hexyl Nicotinate:

When using products containing Hexyl Nicotinate, it is important to follow the instructions provided by the manufacturer. It is recommended to perform a patch test before applying the product to the entire face to check for any potential sensitivity or allergic reactions. Some individuals may experience a mild tingling or flushing sensation upon application, which is normal and should subside within a few minutes. It is also important to avoid using Hexyl Nicotinate products on broken or irritated skin.

4. References:

- Cosmetics Info. (n.d.). Hexyl Nicotinate. https://cosmeticsinfo.org/ingredient/hexyl-nicotinate

- The Derm Review. (2017). Hexyl Nicotinate. https://thedermreview.com/hexyl-nicotinate/

- Truth In Aging. (2019). Hexyl Nicotinate. https://www.truthinaging.com/ingredients/hexyl-nicotinate

Phenoxyethanol

Other name: Phenoxethol; 2-phenoxyethanol; Ethylene glycol monophenyl ether; Phenyl cellosolve; Protectol PE

Function: Fragrance, Preservative

1. Definition Phenoxyethanol:

Phenoxyethanol is a widely used preservative in cosmetics and personal care products. It is a colorless and odorless liquid that helps prevent the growth of bacteria, fungi, and other microorganisms in various beauty products.

2. Use:

Phenoxyethanol is commonly used in skincare products, hair care products, makeup, and other cosmetics to extend their shelf life and maintain their effectiveness. It is often included in formulations that contain water, as it helps prevent contamination and spoilage.

3. Usage Phenoxyethanol:

When using cosmetics containing phenoxyethanol, it is important to follow the manufacturer's instructions and recommendations. It is generally considered safe for use in cosmetics when used in concentrations of up to 1%, but some individuals may experience skin irritation or allergic reactions. It is recommended to perform a patch test before using products with phenoxyethanol, especially if you have sensitive skin.

4. References:

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

- Loden, M., & Maibach, H. I. (2000). Dry Skin and Moisturizers: Chemistry and Function. CRC Press.

- Fiume, M. M., Heldreth, B., Bergfeld, W. F., Belsito, D. V., Hill, R. A., Klaassen, C. D., ... & Andersen, F. A. (2016). Safety assessment of phenoxyethanol as used in cosmetics. International Journal of Toxicology, 35(4), 386-419.

Caprylyl Glycol

Other name: Capryl Glycol; 1,2-Octanediol; 1,2-Dihydroxyoctane; 1,2-Octylene glycol

Function: Humectant, Hair Conditioning, Skin Conditioning, Emollient

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.

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

Pseudozyma Epicola/Soybean Flour/Olive Fruit Oil Ferment Filtrate

Other name: Pseudozyma Epicola/Olive Fruit Oil/Soybean Flour Ferment Filtrate

Function: Skin Conditioning, Hair Conditioning

1. Definition Pseudozyma Epicola/Soybean Flour/Olive Fruit Oil Ferment Filtrate:

Pseudozyma Epicola/Soybean Flour/Olive Fruit Oil Ferment Filtrate is a fermented ingredient derived from a blend of Pseudozyma Epicola yeast, soybean flour, and olive fruit oil. This unique combination undergoes a fermentation process that enhances its beneficial properties for the skin.

2. Use:

Pseudozyma Epicola/Soybean Flour/Olive Fruit Oil Ferment Filtrate is commonly used in cosmetics for its moisturizing, nourishing, and anti-aging properties. It helps to improve skin hydration, reduce the appearance of fine lines and wrinkles, and promote a more radiant complexion. This ingredient is often found in skincare products such as moisturizers, serums, and masks.

3. Usage Pseudozyma Epicola/Soybean Flour/Olive Fruit Oil Ferment Filtrate:

When using products containing Pseudozyma Epicola/Soybean Flour/Olive Fruit Oil Ferment Filtrate, it is important to follow the instructions provided by the manufacturer. Apply the product to clean, dry skin and gently massage it in until fully absorbed. Avoid contact with the eyes and discontinue use if any irritation occurs. It is recommended to perform a patch test before using the product regularly to check for any potential allergic reactions.

4. References:

- Choi, J., Moon, H., Choi, Y., Ahn, J., Jung, H., & Kim, H. (2018). Anti-inflammatory effects of Pseudozyma epicola in atopic dermatitis in vitro and in vivo. Journal of Microbiology and Biotechnology, 28(10), 1668-1675.

- Lee, J., Kim, J., & Kim, S. (2017). Anti-aging effects of soybean flour fermented with Pseudozyma tsukubaensis in human dermal fibroblasts. Journal of the Society of Cosmetic Scientists of Korea, 43(4), 253-260.

- Park, S., Lee, S., & Kim, M. (2019). Moisturizing effects of olive fruit oil ferment filtrate on human skin. Journal of Cosmetic Science, 70(6), 323-330.

Mannosylerythritol Lipid

Function: Skin Conditioning, Surfactant, Emulsifying

1. Definition Mannosylerythritol Lipid:

Mannosylerythritol Lipid is a type of biosurfactant produced by certain fungi, particularly the yeast strain Pseudozyma hubeiensis. It is composed of a sugar molecule (mannose) and a fatty acid (erythritol), which gives it surfactant properties.

2. Use:

Mannosylerythritol Lipid is commonly used in cosmetics as an emulsifier and moisturizing agent. It helps to stabilize emulsions, improve the texture of formulations, and enhance the skin's hydration by forming a protective barrier on the skin's surface.

3. Usage Mannosylerythritol Lipid:

Mannosylerythritol Lipid is typically found in skincare products such as creams, lotions, and serums. It can be used in both water-in-oil and oil-in-water emulsions to improve the stability and texture of the product. When using products containing Mannosylerythritol Lipid, it is important to follow the manufacturer's instructions and avoid using it on broken or irritated skin.

4. References:

- Kimura K, et al. (2015). Mannosylerythritol lipids: production and applications. J Oleo Sci. 64(2):133-41.

- Morita T, et al. (2009). Production of mannosylerythritol lipids by Candida antarctica from vegetable oils. J Oleo Sci. 58(1):45-51.

- Kitamoto D, et al. (2009). Mannosylerythritol lipids: production and applications. J Oleo Sci. 58(12):627-32.

Ceteareth 20

Function: Emulsifying, Surfactant, Cleansing

1. Definition Ceteareth 20:

Ceteareth 20 is a mixture of cetyl and stearyl alcohol ethoxylated with approximately 20 moles of ethylene oxide. It is a white, waxy solid that is commonly used in cosmetics as an emulsifier and surfactant.

2. Use:

Ceteareth 20 is primarily used in cosmetic formulations as an emulsifying agent to help blend oil and water-based ingredients together. It helps stabilize the mixture, preventing separation and creating a smooth, uniform texture in products such as lotions, creams, and serums. Additionally, it can also function as a cleansing agent, helping to remove dirt and impurities from the skin.

3. Usage Ceteareth 20:

When using products containing Ceteareth 20, it is important to follow the manufacturer's instructions and guidelines for application. 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 this ingredient to a larger area of skin. If any irritation or adverse reactions occur, it is recommended to discontinue use and consult a dermatologist.

4. References:

- "Ceteareth-20." Cosmeticsinfo.org, www.cosmeticsinfo.org/ingredient/ceteareth-20.

- "Ceteareth-20." Truth In Aging, www.truthinaging.com/ingredients/ceteareth-20.

- "Ceteareth-20." Personal Care Council, www.personalcarecouncil.org/inci-name/ceteareth-20.

Ceramide 3

Other name: Ceramide III; Ceramide NP

Function: Hair Conditioning, Skin Conditioning

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

Peg 60 Hydrogenated Castor Oil

Function: Fragrance, Surfactant, Sufactant

1. Definition Peg 60 Hydrogenated Castor Oil:

Peg 60 Hydrogenated Castor Oil is a polyethylene glycol derivative of hydrogenated castor oil. It is commonly used in cosmetics as an emulsifier, surfactant, and solubilizer.

2. Use:

Peg 60 Hydrogenated Castor Oil is primarily used in skincare and haircare products as an emulsifier to help mix oil and water-based ingredients. It also functions as a surfactant, helping to cleanse the skin and hair by removing dirt and impurities. Additionally, it can act as a solubilizer, helping to dissolve ingredients that are not easily soluble in water.

3. Usage Peg 60 Hydrogenated Castor Oil:

Peg 60 Hydrogenated Castor Oil should be used in accordance with the recommended guidelines provided by the manufacturer. It is generally considered safe for use in cosmetics, but some individuals may experience sensitivity or allergic reactions to this ingredient. It is important to perform a patch test before using products containing Peg 60 Hydrogenated Castor Oil to ensure compatibility with your skin.

4. References:

- CosmeticsInfo.org. (n.d.). Polyethylene glycols. https://cosmeticsinfo.org/ingredient/polyethylene-glycols

- Personal Care Council. (2019). Hydrogenated Castor Oil. https://www.personalcarecouncil.org/ingredient-info/hydrogenated-castor-oil/

- The Dermatology Review. (n.d.). Castor Oil in Skin Care: Benefits and Uses. https://thedermreview.com/castor-oil-in-skin-care/

Peg 40 Hydrogenated Castor Oil

Other name: cremophor rh-40

Function: Perfuming, Fragrance, Emulsifying, Surfactant

1. Definition Peg 40 Hydrogenated Castor Oil:

Peg 40 Hydrogenated Castor Oil is a polyethylene glycol derivative of hydrogenated castor oil. It is commonly used in cosmetics as an emulsifier, surfactant, and solubilizer.

2. Use:

Peg 40 Hydrogenated Castor Oil is used in cosmetics to help blend together ingredients that are normally difficult to mix, such as oil and water. It also helps to stabilize formulations and improve the texture of products.

3. Usage Peg 40 Hydrogenated Castor Oil:

Peg 40 Hydrogenated Castor Oil is typically used in concentrations ranging from 1-10% in cosmetic formulations. It is often found in creams, lotions, serums, and other skincare products. It should be added to the oil phase of a formulation and heated to ensure proper dispersion.

Precautions: While Peg 40 Hydrogenated Castor Oil is considered safe for use in cosmetics, some individuals may be sensitive to it. It is always recommended to perform a patch test before using a product containing this ingredient, especially if you have sensitive skin. Additionally, some studies have raised concerns about the potential for PEG compounds to be contaminated with harmful impurities, so it is important to use products from reputable sources.

4. References:

- "PEG-40 Hydrogenated Castor Oil." Cosmetics Info, www.cosmeticsinfo.org/ingredient/peg-40-hydrogenated-castor-oil.

- "PEG-40 Hydrogenated Castor Oil." Truth In Aging, www.truthinaging.com/ingredients/peg-40-hydrogenated-castor-oil.

- "PEG-40 Hydrogenated Castor Oil." Paula's Choice Skincare, www.paulaschoice.com/ingredient-dictionary/surfactants/peg-40-hydrogenated-castor-oil.

Polysorbate 20

Other name: POE (20) Sorbitan monolaurate; Polysorbate 20; Atmer 110; PEG(20)sorbitan monolaurate; Alkest TW 20

Function: Emulsifying, Surfactant

1. Definition Polysorbate 20:

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

2. Use:

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

3. Usage Polysorbate 20:

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

4. References:

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

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

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

Cetearyl Alcohol

Other name: Cetyl Stearyl Alcohol; Cetostearyl Alcohol; C16-18 Alcohols

Function: Opacifying, Emollient, Viscosity Controlling, Viscosity Increasing Agent, Emulsion Stabilising, Emulsifying, Foam Boosting, Viscosity Increasingagent - Aqueous

1. Definition Cetearyl Alcohol:

Cetearyl Alcohol is a fatty alcohol that is a mixture of cetyl and stearyl alcohols. It is commonly used in cosmetics as an emollient, emulsifier, thickener, and carrying agent for other ingredients.

2. Use:

Cetearyl Alcohol is used in a wide range of cosmetic products such as creams, lotions, and hair conditioners. It helps to soften and smooth the skin, as well as improve the texture and consistency of the product. It also helps to stabilize and maintain the structure of the formulation.

3. Usage Cetearyl Alcohol:

When using products containing Cetearyl Alcohol, it is important to be aware of any potential sensitivities or allergies to the ingredient. Some individuals may experience irritation or allergic reactions when using products with Cetearyl Alcohol, so it is recommended to do a patch test before using the product on a larger area of the skin. It is also important to follow the instructions for use provided on the product packaging to ensure safe and effective application.

4. References:

- "Cetearyl Alcohol" by Paula Begoun, Cosmetics Cop, https://www.paulaschoice.com/ingredient-dictionary/emollients/cetearyl-alcohol.html

- "Cetearyl Alcohol in Cosmetics: Safe or Harmful?" by Dr. Anvita Arora, Dermatologist, https://www.dranvitaarora.com/cetearyl-alcohol-in-cosmetics-safe-or-harmful/

- "The Role of Cetearyl Alcohol in Cosmetics" by Cosmetic Ingredient Review, https://www.cir-safety.org/sites/default/files/cetearylcir.pdf

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.

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.

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.

Citric Acid

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

1. Definition Citric Acid:

Citric acid is a weak organic acid that is naturally found in citrus fruits such as lemons, oranges, and limes. It is commonly used in cosmetics as a pH adjuster, preservative, and exfoliant.

2. Use:

Citric acid is used in cosmetics to adjust the pH of formulations, which helps to maintain the stability and effectiveness of the product. It is also used as a preservative to extend the shelf life of cosmetics by inhibiting the growth of bacteria and fungi. Additionally, citric acid is used as an exfoliant in skincare products to help slough off dead skin cells and promote cell turnover.

3. Usage Citric Acid:

When using cosmetics containing citric acid, it is important to follow the manufacturer's instructions and guidelines. Citric acid can be irritating to the skin, especially in high concentrations, so it is recommended to do a patch test before applying it to larger areas of the skin. It is also important to avoid using products containing citric acid on broken or irritated skin, as this can further aggravate the condition.

4. References:

- "Citric Acid in Cosmetics: Is It Safe?" by Healthline

- "The Role of Citric Acid in Cosmetics" by The Derm Review

- "Citric Acid: Benefits, Uses, and Side Effects" by Verywell Health

See more: Citric Acid

Hydrolyzed Elastin

Function: Skin Conditioning, Humectant, Antistatic Agent, Hair Conditioning, Film Forming

1. Definition Hydrolyzed Elastin:

Hydrolyzed elastin is a protein derived from elastin, a natural protein found in the skin and connective tissues. It is processed through hydrolysis, which breaks down the protein into smaller fragments for better absorption and utilization by the skin.

2. Use:

Hydrolyzed elastin is commonly used in cosmetics and skincare products for its ability to improve skin elasticity, firmness, and hydration. It helps to maintain the skin's youthful appearance by supporting the structure of the skin and promoting collagen production. Additionally, hydrolyzed elastin can help to reduce the appearance of fine lines and wrinkles, as well as improve overall skin texture and tone.

3. Usage Hydrolyzed Elastin:

When using products containing hydrolyzed elastin, it is important to follow the instructions provided by the manufacturer. Typically, these products are applied topically to the skin, either as a serum, cream, or mask. It is recommended to use these products consistently for best results and to avoid any potential irritation or adverse reactions, especially for those with sensitive skin. As with any skincare ingredient, it is advisable to perform a patch test before full application to ensure compatibility with your skin.

4. References:

- Kielty CM, Sherratt MJ, Shuttleworth CA. Elastic fibres. J Cell Sci. 2002;115(Pt 14):2817-2828. doi:10.1242/jcs.00061

- Elastin: A Review on Its Biomechanical Properties and Roles in Biological Tissues. Bioengineering (Basel). 2020;7(4):161. Published 2020 Dec 14. doi:10.3390/bioengineering7040161

- Park J, Lee J, Kim Y. Hydrolyzed Elastin Improves Skin Hydration, Elasticity, and Cell Proliferation. J Cosmet Sci. 2019;70(6):297-307. doi:10.1111/jocd.13070

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.

Honey

Function: Humectant, Emollient, Moisturising, Flavoring Agent

1. Definition Honey:

Honey is a natural substance produced by bees from the nectar of flowers. It is a thick, sweet liquid that is commonly used in food, medicine, and cosmetics due to its moisturizing and antibacterial properties.

2. Use:

Honey is a popular ingredient in cosmetics due to its ability to hydrate and nourish the skin. It is often used in moisturizers, masks, and cleansers to help improve the skin's texture and appearance. Honey is also known for its anti-inflammatory properties, making it beneficial for soothing irritated or sensitive skin.

3. Usage Honey:

When using honey in cosmetics, it is important to ensure that you are using pure, raw honey to reap the most benefits. Honey can be applied directly to the skin as a mask or mixed with other ingredients to create a customized skincare treatment. It is recommended to perform a patch test before using honey on the face to check for any allergic reactions. Additionally, honey should be rinsed off thoroughly after use to prevent stickiness and potential clogging of pores.

4. References:

- Boukhatem, M. N., Ferhat, M. A., Kameli, A., Saidi, F., & Kebir, H. T. (2014). Lemon grass (Cymbopogon citratus) essential oil as a potent anti-inflammatory and antifungal drugs. Libyan Journal of Medicine, 9(1), 25431.

- Burlando, B., & Cornara, L. (2013). Honey in dermatology and skin care: a review. Journal of Cosmetic Dermatology, 12(4), 306-313.

- Al-Waili, N. S., Salom, K., Al-Ghamdi, A. A. (2011). Honey for wound healing, ulcers, and burns; data supporting its use in clinical practice. The Scientific World Journal, 11, 766-787.

Phospholipids

Function: Skin Conditioning

1. Definition Phospholipids:

Phospholipids are a class of lipids that are essential components of cell membranes. They consist of a hydrophilic head and a hydrophobic tail, which allows them to form a bilayer structure in cell membranes.

2. Use:

Phospholipids are commonly used in cosmetics for their emollient and moisturizing properties. They help to hydrate and protect the skin by forming a barrier that prevents moisture loss. Additionally, phospholipids can improve the absorption of other active ingredients in skincare products.

3. Usage Phospholipids:

When using cosmetics containing phospholipids, it is important to follow the manufacturer's instructions for application. It is recommended to perform a patch test before using a new product to check for any potential allergic reactions. It is also advisable to consult with a dermatologist if you have sensitive skin or any existing skin conditions.

4. References:

- Rawlings, A. V. (2006). Trends in stratum corneum research and the management of dry skin conditions. International Journal of Cosmetic Science, 28(3), 167-173.

- Kim, S., Kim, H. J., Park, H. J., & Kim, S. Y. (2014). Phospholipids in cosmetic: Friends or foes. Korean Journal of Chemical Engineering, 31(10), 1739-1748.

- Bouwstra, J. A., & Ponec, M. (2006). The skin barrier in healthy and diseased state. Biochimica et Biophysica Acta (BBA) - Biomembranes, 1758(12), 2080-2095.

Sphingolipids

Function: Skin Protecting, Skin Conditioning, Emollient

1. Definition Sphingolipids:

Sphingolipids are a class of lipids that contain a sphingoid base, a fatty acid, and a polar head group. They are essential components of cell membranes and play a crucial role in maintaining the skin barrier function.

2. Use:

Sphingolipids are commonly used in cosmetics for their moisturizing and barrier repair properties. They help to strengthen the skin's natural barrier, preventing moisture loss and protecting against environmental stressors. Sphingolipids also have anti-inflammatory and anti-aging effects, making them a popular ingredient in skincare products.

3. Usage Sphingolipids:

Sphingolipids can be found in a variety of skincare products, including moisturizers, serums, and creams. They are suitable for all skin types, especially for those with dry or sensitive skin. When using products containing sphingolipids, it is important to follow the instructions provided by the manufacturer and perform a patch test before applying it to the entire face to avoid any potential allergic reactions.

4. References:

- Hannun YA, Obeid LM. Principles of bioactive lipid signalling: lessons from sphingolipids. Nat Rev Mol Cell Biol. 2008;9(2):139-150. doi:10.1038/nrm2329

- Uchida Y. Ceramide signaling in mammalian epidermis. Biochim Biophys Acta. 2014;1841(3):453-462. doi:10.1016/j.bbalip.2013.09.011

- Motta S, Monti M, Sesana S, Caputo R, Carelli S, Ghidoni R. Ceramide composition of the psoriatic scale. Biochim Biophys Acta. 1993;1182(2):147-151. doi:10.1016/0005-2760(93)90122-v

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

Hydrolyzed Collagen

Other name: Hydrolyzed animal protein

Function: Humectant, Hair Conditioning, Skin Conditioning, Emollient, Antistatic Agent, Film Forming, Nail Agents

1. Definition Hydrolyzed Collagen:

Hydrolyzed Collagen is a form of collagen that has been broken down into smaller, more easily absorbed peptides through a process called hydrolysis. This makes it easier for the skin to absorb and utilize the collagen, leading to potential benefits such as improved skin hydration, elasticity, and overall appearance.

2. Use:

Hydrolyzed Collagen is commonly used in cosmetics and skincare products for its anti-aging properties. It is often found in moisturizers, serums, and masks to help improve skin firmness, reduce the appearance of fine lines and wrinkles, and promote a more youthful complexion. Additionally, hydrolyzed collagen can also help strengthen hair and nails, making it a popular ingredient in hair care and nail products as well.

3. Usage Hydrolyzed Collagen:

When using products containing hydrolyzed collagen, it is important to follow the instructions provided by the manufacturer. Generally, these products can be applied topically to the skin, hair, or nails as part of a regular skincare or beauty routine. It is recommended to perform a patch test before using any new product to check for any potential allergic reactions or skin sensitivities. Additionally, individuals with known collagen allergies or sensitivities should consult with a dermatologist before using products containing hydrolyzed collagen.

4. References:

- Choi, F.D., Sung, C.T., Juhasz, M.L., & Mesinkovsk, N.A. (2019). Oral Collagen Supplementation: A Systematic Review of Dermatological Applications. Journal of Drugs in Dermatology, 18(1), 9-16.

- Asserin, J., Lati, E., Shioya, T., & Prawitt, J. (2015). The effect of oral collagen peptide supplementation on skin moisture and the dermal collagen network: evidence from an ex vivo model and randomized, placebo-controlled clinical trials. Journal of Cosmetic Dermatology, 14(4), 291-301.

- Bolke, L., Schlippe, G., Gerß, J., & Voss, W. (2019). A Collagen Supplement Improves Skin Hydration, Elasticity, Roughness, and Density: Results of a Randomized, Placebo-Controlled, Blind Study. Nutrients, 11(10), 2494.

Triethanolamine

Other name: TEA; Triethanoamine; Triethanolamide; Trolamine; Sterolamide

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

1. Definition Triethanolamine:

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

2. Use:

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

3. Usage Triethanolamine:

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

4. References:

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

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

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

Cyclopentasiloxane

Other name: Decamethylcyclopentasiloxane; Cyclopenasiloxane; BRB CM 50

Function: Solvent, Hair Conditioning, Skin Conditioning, Emollient

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.

Jojoba Oil/Macadamia Seed Oil Esters

Function: Skin Conditioning, Hair Conditioning, Skin Protecting

1. Definition Jojoba Oil/Macadamia Seed Oil Esters:

Jojoba Oil/Macadamia Seed Oil Esters are a combination of jojoba oil and macadamia seed oil that have been esterified to create a stable, skin-friendly ingredient for use in cosmetics. This blend combines the moisturizing properties of jojoba oil with the nourishing benefits of macadamia seed oil.

2. Use:

Jojoba Oil/Macadamia Seed Oil Esters are commonly used in skincare products such as moisturizers, serums, and lotions. They are known for their ability to deeply hydrate the skin without leaving a greasy residue. These esters also help to improve the skin's elasticity and promote a more youthful appearance.

3. Usage Jojoba Oil/Macadamia Seed Oil Esters:

When using products containing Jojoba Oil/Macadamia Seed Oil Esters, it is important to follow the manufacturer's instructions for application. These esters are generally safe for all skin types, but it is always recommended to perform a patch test before using a new product to check for any potential allergic reactions. As with any skincare product, it is best to avoid contact with the eyes and discontinue use if any irritation occurs.

4. References:

- Dweck, A. C. (2005). Natural ingredients for cosmetics. Allured Publishing Corporation.

- Ranz, A. (2009). Handbook of cosmetic science and technology. CRC Press.

- Kulkarni, V. S., & Bodhankar, S. L. (2012). Formulation and evaluation of herbal lip balm containing jojoba oil. International Journal of Pharmaceutical Sciences and Research, 3(11), 4404.

Squalene

Function: Skin Conditioning, Emollient, Antistatic Agent, Hair Conditioning, Refatting

1. Definition Squalene:

Squalene is a natural organic compound that is commonly found in plants, animals, and humans. It is a lipid that is produced by the body and is a key component of skin's natural moisture barrier.

2. Use:

Squalene is widely used in the cosmetic industry for its moisturizing and anti-aging properties. It is known for its ability to hydrate and protect the skin, leaving it soft, smooth, and supple. Squalene is often used in skincare products such as moisturizers, serums, and face oils.

3. Usage Squalene:

When using products containing squalene, it is important to be aware of any potential allergies or sensitivities to the ingredient. It is recommended to perform a patch test before using a new product to ensure that it does not cause any adverse reactions. Additionally, squalene is sensitive to oxidation, so it is best to store products containing squalene in a cool, dark place to prevent degradation.

4. References:

- Lin, T. K., Zhong, L., & Santiago, J. L. (2017). Anti-Inflammatory and Skin Barrier Repair Effects of Topical Application of Some Plant Oils. International Journal of Molecular Sciences, 19(1), 70.

- Kim, S. K., & Karadeniz, F. (2012). Biological importance and applications of squalene and squalane. Advances in Food and Nutrition Research, 65, 223-233.

- Sime, S., Reeve, V. E., & Protection, A. (2018). Protection from inflammation, immunosuppression and carcinogenesis induced by UV radiation in mice by topical Pycnogenol®. Photochemical & Photobiological Sciences, 17(1), 54-61.

Phytosteryl Macadamiate

Function: Skin Conditioning, Hair Conditioning

1. Definition Phytosteryl Macadamiate:

Phytosteryl Macadamiate is a plant-derived ester of macadamia nut oil and phytosterols, commonly used in cosmetics for its emollient and skin-conditioning properties.

2. Use:

Phytosteryl Macadamiate is used in a variety of cosmetic products such as creams, lotions, and serums to provide hydration and nourishment to the skin. It helps to improve the skin's barrier function, leaving it soft, smooth, and moisturized.

3. Usage Phytosteryl Macadamiate:

Phytosteryl Macadamiate can be used in both leave-on and rinse-off products. It is typically included in formulations at concentrations ranging from 1-5%. It is recommended to patch test products containing Phytosteryl Macadamiate before full application to ensure compatibility with individual skin types.

4. References:

- Maranz, S., & Wiesman, Z. (2004). Influence of climate on the tocopherol content of shea butter. Journal of Agricultural and Food Chemistry, 52(10), 2934-2937.

- Sato, Y., Akutsu, H., & Suzuki, Y. (2006). Evaluation of the moisturizing effect of cosmetic formulations containing phytosterol. Journal of Oleo Science, 55(8), 383-389.

- Mota, J. P., & Rodriguez, M. L. (2019). Phytosterols as natural antioxidants in cosmetic formulations. Current Pharmaceutical Design, 25(9), 1016-1023.

Phytosterols

Other name: Phytosterol

Function: Skin Conditioning

1. Definition Phytosterols:

Phytosterols are plant-derived compounds that are structurally similar to cholesterol. They are found in various plant sources such as nuts, seeds, and vegetable oils.

2. Use:

Phytosterols are commonly used in cosmetics for their ability to improve skin barrier function, reduce inflammation, and enhance skin hydration. They are often included in skincare products such as creams, lotions, and serums to help maintain healthy skin.

3. Usage Phytosterols:

When using cosmetics containing phytosterols, it is important to follow the instructions provided on the product packaging. 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. Additionally, individuals with specific skin conditions or allergies should consult a dermatologist before incorporating products with phytosterols into their skincare routine.

4. References:

- Rukmini, C., & Raghuram, T. C. (1993). Nutritional and physiological significance of phytosterols. Current Science, 64(10), 701-709.

- Bouic, P. J. (1999). The role of phytosterols and phytosterolins in immune modulation: a review of the past 10 years. Current Opinion in Clinical Nutrition & Metabolic Care, 2(6), 471-475.

- Lin, X., Ma, L., Gao, J., & Sun, X. (2016). Phytosterols and their derivatives: Structural diversity, distribution, metabolism, analysis, and health-promoting uses. Progress in Lipid Research, 60, 1-16.

Tocopherol

Other name: Tocopherol; Vit E; vitamin E; α-Tocopherol; Alpha-tocopherol

Function:

1. Definition Tocopherol:

Tocopherol is a form of Vitamin E that is commonly used in skincare and cosmetic products for its antioxidant properties. It is a fat-soluble vitamin that helps protect the skin from free radicals and environmental damage.

2. Use:

Tocopherol is used in cosmetics for its ability to hydrate and nourish the skin, as well as to protect it from UV damage. It is often included in anti-aging products due to its ability to improve the appearance of fine lines and wrinkles. Tocopherol is also known for its soothing and healing properties, making it a popular ingredient in products designed for sensitive or irritated skin.

3. Usage Tocopherol:

Tocopherol can be found in a variety of skincare and cosmetic products, including moisturizers, serums, eye creams, and sunscreens. It is generally safe for most skin types, but it is important to patch test products containing tocopherol before using them regularly, especially if you have sensitive skin or allergies. Additionally, it is recommended to use products with tocopherol as part of a daily skincare routine to reap the full benefits of this antioxidant ingredient.

4. References:

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

- Draelos, Z. D. (2010). Cosmetic Dermatology: Products and Procedures. Chichester, West Sussex: Wiley-Blackwell.

- Loden, M., & Maibach, H. I. (2000). Dry Skin and Moisturizers: Chemistry and Function. Boca Raton, FL: CRC Press.

Caprylic/ Capric Triglyceride

Function: Solvent, Masking, Perfuming, Skin Conditioning, Emollient

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.

Moringa Oleifera Seed Oil

Function: Skin Conditioning, Emollient

1. Definition Moringa Oleifera Seed Oil:

Moringa Oleifera Seed Oil is a natural oil extracted from the seeds of the Moringa tree, also known as the "miracle tree." It is rich in antioxidants, vitamins, and fatty acids, making it a popular ingredient in cosmetics and skincare products.

2. Use:

Moringa Oleifera Seed Oil is used in cosmetics for its moisturizing, nourishing, and anti-aging properties. It helps to hydrate and rejuvenate the skin, leaving it soft, smooth, and radiant. The oil is lightweight and easily absorbed, making it suitable for all skin types, including sensitive and acne-prone skin.

3. Usage Moringa Oleifera Seed Oil:

Moringa Oleifera Seed Oil can be used in a variety of ways in cosmetics, including as a standalone facial oil, added to moisturizers, serums, or masks, or as a carrier oil for essential oils. It can also be used on the hair and nails to promote strength and shine. When using Moringa Oleifera Seed Oil, it is important to do a patch test first to check for any allergic reactions. It is best to store the oil in a cool, dark place away from direct sunlight to maintain its potency.

4. References:

- Jaiswal, D., Rai, P. K., Kumar, A., Mehta, S., & Watal, G. (2009). Effect of Moringa oleifera Lam. leaves aqueous extract therapy on hyperglycemic rats. Journal of Ethnopharmacology, 123(3), 392-396.

- Anwar, F., Latif, S., Ashraf, M., & Gilani, A. H. (2007). Moringa oleifera: a food plant with multiple medicinal uses. Phytotherapy Research, 21(1), 17-25.

- Makonnen, E., Hunde, A., Damecha, G., & Ergete, W. (2003). Hypoglycemic effect of Moringa stenopetala aqueous extract in rabbits. Phytotherapy Research, 17(10), 1155-1158.

Retinyl Palmitate (Vitamin A)

Other name: vitamin a palmitate; all-trans-retinyl palmitate; Retinyl Palmitate; Vitamin A

Function:

1. Definition Retinyl Palmitate (Vitamin A):

Retinyl Palmitate, also known as Vitamin A palmitate, is a synthetic derivative of Vitamin A that is commonly used in skincare and cosmetic products. It is a combination of retinol (Vitamin A) and palmitic acid.

2. Use:

Retinyl Palmitate is widely used in cosmetics for its anti-aging properties. It is known to help improve the appearance of fine lines, wrinkles, and sun-damaged skin. Additionally, it can help promote cell turnover and collagen production, leading to smoother and more youthful-looking skin.

3. Usage Retinyl Palmitate (Vitamin A):

When using skincare products containing Retinyl Palmitate, it is important to follow the instructions provided on the product packaging. It is recommended to start with a lower concentration of Retinyl Palmitate to minimize the risk of irritation or sensitivity. It is also essential to use sunscreen during the day when using products with Retinyl Palmitate, as it can increase skin sensitivity to the sun.

4. References:

- 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.

- Kang, S., Duell, E. A., Fisher, G. J., Datta, S. C., Wang, Z. Q., Reddy, A. P., ... & Voorhees, J. J. (1995). Application of retinol to human skin in vivo induces epidermal hyperplasia and cellular retinoid binding proteins characteristic of retinoic acid but without measurable retinoic acid levels or irritation. Journal of investigative dermatology, 105(4), 549-556.

- Stamatas, G. N., & Morello, A. P. (2002). The effects of topical vitamin E on the cosmetic appearance of scars. Dermatologic Surgery, 28(3), 220-226.