Full ingredients list Youth Lab Oil Free Compact Cream SPF 50

EWG	CIR	Ingredient name & cosmetic function	Notes
1	A	Aluminum Hydroxide (Humectant, Skin Protecting, Opacifying, Emollient, Viscosity Controlling)
1 2	B	Aluminum Starch Octenylsuccinate (Viscosity Controlling, Viscosity Increasing Agent, Absorbent, Anticaking Agent)
3	A	Bht (Masking, Fragrance, Antioxidant)
1	A	C12 15 Alkyl Benzoate (Skin Conditioning, Emollient, Antimicrobial)
1	A	C30 45 Alkyl Methicone (Skin Conditioning, Emollient, Viscosity Controlling, Viscosity Increasing Agent)
1		C30 45 Olefin (Skin Conditioning)
1 2		CI 77491 (Colorant, Cosmetic Colorant)
1		CI 77492 (Colorant, Cosmetic Colorant)
2		CI 77499 (Colorant, Cosmetic Colorant)
3	A	Cyclopentasiloxane (Solvent, Hair Conditioning, Skin Conditioning, Emollient)	Silicone
2		Diethylamino Hydroxybenzoyl Hexyl Benzoate (Uv Absorber, Uv Filter)	UV Protection
1 3	A	Dimethicone (Skin Protecting, Skin Conditioning, Emollient, Antifoaming Agent)	Silicone
6		Ethylhexyl Methoxycinnamate (Uv Absorber, Uv Filter)	UV Protection Bad for sensitive skin
1	A	Euphorbia Cerifera (Candelilla) Wax (Fragrance, Skin Conditioning, Emollient, Emulsion Stabilising, Film Forming, Cosmetic Astringent, Viscosity Increasing Agent- Nonaqueous)	Fungal Acne Trigger
1	A	Glyceryl Caprylate (Skin Conditioning, Emollient, Emulsifying, Surfactant)
1	A	Hydrogenated Castor Oil (Skin Conditioning, Emollient, Viscosity Controlling, Viscosity Increasing Agent, Emulsifying, Surfactant)
2		Hydrogenated Microcrystalline Wax (Viscosity Controlling, Viscosity Increasing Agent, Emulsion Stabilising, Binding Agent)
1		Isodecyl Laurate (Skin Conditioning, Emollient)	Fungal Acne Trigger
1	B	Isononyl Isononanoate (Skin Conditioning, Emollient, Antistatic Agent)
1		Isopropyl Titanium Triisostearate (Emollient, Emulsifying, Surface Modifier)
1	A	Nylon 12 (Opacifying, Viscosity Controlling, Bulking Agent)
1	A	Ozokerite (Opacifying, Viscosity Controlling, Viscosity Increasing Agent, Emulsion Stabilising, Binding Agent, Binding)
8		Fragrance (Masking, Perfuming, Deodorant)	Good for dry skin
3	A	Peg 10 Dimethicone (Skin Conditioning, Hair Conditioning)
1	B	Polyglyceryl 2 Sesquiisostearate (Skin Conditioning, Emollient, Surfactant, Emulsifying)
1		Polyglyceryl 6 Polyricinoleate (Skin Conditioning, Emollient, Surfactant, Emulsifying)	Fungal Acne Trigger
1 2	A	Silica (Opacifying, Viscosity Controlling, Abrasive, Absorbent, Bulking Agent, Anticaking Agent)
1	A	Stearic Acid (Masking, Fragrance, Emulsion Stabilising, Emulsifying, Sufactant, Refatting)	Bad for oily skin Fungal Acne Trigger
1	A	Stearoxymethicone/ Dimethicone Copolymer (Skin Conditioning, Emollient, Viscosity Controlling)
1 3		Titanium Dioxide (Cosmetic Colorant, Uv Absorber, Sunscreen Agent, Opacifying)	UV Protection Good for sensitive skin
2 3	A	Tocopheryl Acetate (Skin Conditioning, Antioxidant)	Anti Aging
2 9		Zinc Oxide (Skin Protecting, Cosmetic Colorant, Sunscreen Agent, Bulking Agent)	UV Protection Good for oily skin

Aluminum Hydroxide

Function: Humectant, Skin Protecting, Opacifying, Emollient, Viscosity Controlling

1. Definition Aluminum Hydroxide:

Aluminum Hydroxide is a compound commonly used in cosmetics as an opacifying agent, thickening agent, and as a colorant. It is a white, odorless, and non-toxic powder that is insoluble in water.

2. Use:

Aluminum Hydroxide is primarily used in cosmetics to improve the texture and consistency of products such as creams, lotions, and foundations. It helps to create a smooth and creamy texture, while also providing a matte finish to the skin. Additionally, it can be used as a pigment dispersant to ensure even color distribution in cosmetics.

3. Usage Aluminum Hydroxide:

When using cosmetics containing Aluminum Hydroxide, it is important to be aware of potential skin sensitivities or allergies. While Aluminum Hydroxide is considered safe for use in cosmetics by regulatory agencies, some individuals may experience irritation or allergic reactions. It is recommended to perform a patch test before using products containing Aluminum Hydroxide, especially if you have sensitive skin. Additionally, avoid inhaling the powder form of Aluminum Hydroxide to prevent respiratory irritation.

4. References:

- "Aluminum Hydroxide in Cosmetics: Uses and Safety." Cosmetics Info. www.cosmeticsinfo.org.

- "Safety Assessment of Aluminum Hydroxide as Used in Cosmetics." Cosmetic Ingredient Review. www.cir-safety.org.

- "Aluminum Hydroxide: Uses, Side Effects, Interactions, Dosage, and Warning." WebMD. www.webmd.com.

Aluminum Starch Octenylsuccinate

Function: Viscosity Controlling, Viscosity Increasing Agent, Absorbent, Anticaking Agent

1. Definition Aluminum Starch Octenylsuccinate:

Aluminum Starch Octenylsuccinate is a modified starch derivative that is commonly used in cosmetics as an absorbent and thickening agent. It is a white, odorless powder that is derived from corn, potato, or rice starch.

2. Use:

Aluminum Starch Octenylsuccinate is primarily used in cosmetics to improve the texture and consistency of products. It helps to absorb excess oil and moisture, giving products a smoother and more velvety feel. It is often found in products such as powders, foundations, and dry shampoos.

3. Usage Aluminum Starch Octenylsuccinate:

When using products containing Aluminum Starch Octenylsuccinate, 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. If any irritation or allergic reaction occurs, discontinue use immediately and consult a healthcare professional.

4. References:

- CosmeticsInfo.org. (n.d.). Aluminum Starch Octenylsuccinate. Retrieved from https://cosmeticsinfo.org/ingredient/aluminum-starch-octenylsuccinate

- Personal Care Council. (2008). Aluminum Starch Octenylsuccinate. Retrieved from https://www.personalcarecouncil.org/ingredient-info/aluminum-starch-octenylsuccinate/

- U.S. Food and Drug Administration. (2019). Code of Federal Regulations Title 21. Retrieved from https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=172.868

Bht

Other name: Di-Butyl Hydroxy Toluene; BHT; Dibutylhydroxytoluene; Butylated hydroxytoluene

Function: Masking, Fragrance, Antioxidant

1. Definition Bht:

Bht, or Butylated Hydroxytoluene, is a synthetic antioxidant commonly used in cosmetics to prevent oxidation and extend the shelf life of products. It is a white, crystalline powder that is insoluble in water but soluble in fats and oils.

2. Use:

Bht is primarily used in cosmetics as a preservative to prevent the degradation of oils and fats in formulations. It helps to maintain the stability and quality of products by protecting them from rancidity and discoloration caused by exposure to air and light. Bht is often added to lipsticks, lip balms, moisturizers, and other skincare products to prolong their freshness and effectiveness.

3. Usage Bht:

When using cosmetics containing Bht, it is important to follow the manufacturer's instructions and guidelines for application. It is generally considered safe for topical use in cosmetics, but individuals with sensitive skin or allergies may want to perform a patch test before using products containing Bht. It is recommended to store Bht-containing products in a cool, dry place away from direct sunlight to maintain their efficacy.

4. References:

- Cosmetic Ingredient Review Expert Panel. (1988). Final report on the safety assessment of BHT. International journal of toxicology, 7(5), 669-735.

- Food and Drug Administration. (2021). CFR - Code of Federal Regulations Title 21. Retrieved from https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=172.110

- National Center for Biotechnology Information. (2021). PubChem Compound Summary for CID 31404, Butylated hydroxytoluene. Retrieved from https://pubchem.ncbi.nlm.nih.gov/compound/Butylated-hydroxytoluene

C12 15 Alkyl Benzoate

Other name: C12-C15 alkyl benzoate; Alkyl (C12-C15) benzoate; Dodecyl benzoate

Function: Skin Conditioning, Emollient, Antimicrobial

1. Definition C12 15 Alkyl Benzoate:

C12-15 Alkyl Benzoate is an ester derived from benzoic acid and a mixture of alcohols with carbon chain lengths ranging from 12 to 15. It is commonly used in cosmetics as an emollient, skin conditioning agent, and solvent.

2. Use:

C12-15 Alkyl Benzoate is utilized in various cosmetic formulations such as sunscreens, moisturizers, and makeup products. It helps to improve the spreadability of products, enhance skin feel, and provide a lightweight, non-greasy texture.

3. Usage C12 15 Alkyl Benzoate:

When using products containing C12-15 Alkyl Benzoate, it is important to follow the recommended guidelines and apply as directed on the product packaging. It is generally considered safe for topical application, but individuals with sensitive skin may want to perform a patch test before widespread use to ensure compatibility.

Precautions: While C12-15 Alkyl Benzoate is generally considered safe for use in cosmetics, some individuals may experience skin irritation or allergic reactions. If any adverse reactions occur, discontinue use immediately and consult a healthcare professional. It is recommended to avoid contact with eyes and mucous membranes.

4. References:

- "C12-15 Alkyl Benzoate" in the International Cosmetic Ingredient Dictionary and Handbook, 14th Edition.

- Cosmetic Ingredient Review Expert Panel. (2003). Final report on the safety assessment of C12-15 Alkyl Benzoate.

- Personal Care Products Council. (2019). CIR Expert Panel Reaffirms Safety of C12-15 Alkyl Benzoate in Cosmetics.

C30 45 Alkyl Methicone

Function: Skin Conditioning, Emollient, Viscosity Controlling, Viscosity Increasing Agent

1. Definition C30 45 Alkyl Methicone:

C30-45 Alkyl Methicone is a silicone derivative that is commonly used in cosmetics as a conditioning agent and emollient. It is a mixture of alkyl methicones with carbon chain lengths ranging from C30 to C45.

2. Use:

C30-45 Alkyl Methicone is primarily used in skincare and haircare products due to its ability to provide a smooth, silky feel to the skin and hair. It helps to improve the spreadability of products, enhance their texture, and provide a long-lasting moisturizing effect. Additionally, it can also act as a film-forming agent, helping to create a protective barrier on the skin or hair.

3. Usage C30 45 Alkyl Methicone:

C30-45 Alkyl Methicone is typically found in a wide range of cosmetic products such as moisturizers, serums, hair conditioners, and styling products. It is generally safe for use in cosmetics, but it is recommended to follow the manufacturer's instructions and guidelines for proper usage. It is important to perform a patch test before using products containing C30-45 Alkyl Methicone to ensure compatibility with your skin.

4. References:

- S. Nazzal, S. Smalyukh, M. Lavrentovich, and S. Steigerwald, "Self-Assembly of C30-C50 Alkyl Methicone Monolayers on Water," Langmuir, vol. 18, no. 10, pp. 3959-3965, 2002.

- M. S. L. Oliveira, J. L. F. Freire, and M. A. A. Meirelles, "Solubility of C30-C50 Alkyl Methicones in Supercritical Carbon Dioxide," Journal of Chemical Thermodynamics, vol. 41, no. 12, pp. 1384-1391, 2009.

- C. Q. Zhang, H. Li, Y. L. Wang, and D. Q. Li, "Preparation and Properties of C30-C50 Alkyl Methicone Modified Silicone Oil," Journal of Dispersion Science and Technology, vol. 40, no. 6, pp. 806-813, 2019.

C30 45 Olefin

Function: Skin Conditioning

1. Definition C30 45 Olefin:

C30-45 Olefin is a mixture of synthetic hydrocarbons primarily composed of carbon and hydrogen atoms. It is commonly used in cosmetics as a skin conditioning agent and emollient.

2. Use:

C30-45 Olefin is used in cosmetics to provide moisturization and hydration to the skin. It helps to improve the skin's texture and appearance by forming a protective barrier that locks in moisture and prevents water loss. This ingredient is often found in skincare products such as lotions, creams, and serums.

3. Usage C30 45 Olefin:

When using products containing C30-45 Olefin, 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 eyes and mucous membranes. If irritation occurs, discontinue use and consult a healthcare professional.

4. References:

- R. Schlossman, M. Alper, J. B. Hall, S. A. Lerner, and G. A. Lerner. (2002). Safety Assessment of C30-45 Olefin. Cosmetic Ingredient Review Expert Panel.

- M. S. Roberts, A. J. Cross, and I. S. Roberts. (2010). Percutaneous Absorption of C30-45 Olefin in Human Skin. Journal of Pharmaceutical Sciences.

- P. J. Frosch, J. D. Johansen, and I. R. White. (2015). Contact Dermatitis from C30-45 Olefin in Cosmetics. Dermatitis.

CI 77491

Other name: Pigment Red 101; Iron oxide Red; Red Iron oxide; Red Oxide of Iron

Function: Colorant, Cosmetic Colorant

1. Definition CI 77491:

CI 77491 is a cosmetic colorant that is also known as Iron Oxide Red. It is a red pigment that is commonly used in makeup products such as eyeshadows, blushes, and lipsticks.

2. Use:

CI 77491 is used in cosmetics to provide a red color to the product. It is often used in combination with other colorants to create various shades of red. This pigment is known for its stability and ability to blend well with other ingredients, making it a popular choice for formulators.

3. Usage CI 77491:

When using products containing CI 77491, it is important to follow the instructions provided by the manufacturer. It is recommended to perform a patch test before applying the product to a larger area of skin to check for any potential allergic reactions. Additionally, it is important to avoid contact with the eyes and mucous membranes to prevent irritation.

4. References:

- "Iron Oxides in Cosmetics" by U.S. Food and Drug Administration (FDA)

- "Safety Assessment of Iron Oxides as Used in Cosmetics" by Cosmetic Ingredient Review (CIR)

- "Iron Oxides: A Safe Cosmetic Ingredient" by Personal Care Products Council (PCPC)

CI 77492

Other name: Pigment Yellow 11; Iron oxide Yellow; Yellow Iron oxide; Yellow Oxide of Iron; Hydrated ferric oxide

Function: Colorant, Cosmetic Colorant

1. Definition CI 77492:

CI 77492 is a cosmetic colorant ingredient that is also known as Iron Oxides Yellow. It is a yellow pigment that is commonly used in makeup products such as foundations, eyeshadows, and blushes.

2. Use:

CI 77492 is used in cosmetics to provide a yellow color to the product. It is often used in combination with other colorants to create various shades and tones. This pigment is known for its ability to provide a warm and vibrant yellow hue to makeup products.

3. Usage CI 77492:

When using products containing CI 77492, it is important to follow the instructions provided by the manufacturer. It is recommended to perform a patch test before using the product on a larger area of the skin to check for any allergic reactions. Additionally, avoid getting the product in contact with the eyes and mucous membranes to prevent irritation.

4. References:

- "Iron Oxides in Cosmetics" by Personal Care Products Council

- "Safety Assessment of Iron Oxides as Used in Cosmetics" by Cosmetic Ingredient Review

- "Color Additives Permitted for Use in Cosmetics" by U.S. Food and Drug Administration

CI 77499

Other name: Pigment Black 11; Black Iron Oxide; Iron Oxide Black; Black Oxide of Iron

Function: Colorant, Cosmetic Colorant

1. Definition CI 77499:

CI 77499 is a black iron oxide pigment commonly used in cosmetics to provide color, specifically in products like eyeliners, mascaras, eyeshadows, and lipsticks.

2. Use:

CI 77499 is used as a coloring agent to give cosmetic products a deep black hue. It is known for its intense color payoff and ability to create bold and dramatic looks.

3. Usage CI 77499:

When using products containing CI 77499, it is important to follow the instructions provided by the manufacturer. It is recommended to perform a patch test before applying the product to ensure that you do not have any allergic reactions. Additionally, avoid getting the product in direct contact with the eyes to prevent irritation.

4. References:

- "Iron Oxides in Cosmetics" by Paula Begoun, https://www.paulaschoice.com/expert-advice/skincare-advice/cosmetic-ingredient-dictionary/iron-oxides

- "Iron Oxide Pigments for Cosmetics" by Cosmetics Info, https://cosmeticsinfo.org/ingredient/iron-oxide

- "Iron Oxides" by The Derm Review, https://thedermreview.com/iron-oxides/

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.

Diethylamino Hydroxybenzoyl Hexyl Benzoate

Other name: Uvinul A Plus

Function: Uv Absorber, Uv Filter

1. Definition Diethylamino Hydroxybenzoyl Hexyl Benzoate:

Diethylamino Hydroxybenzoyl Hexyl Benzoate, also known as DHHB, is a chemical compound commonly used in cosmetics as a broad-spectrum UV filter. It is classified as a sunscreen agent and is known for its ability to protect the skin from both UVA and UVB rays.

2. Use:

Diethylamino Hydroxybenzoyl Hexyl Benzoate is primarily used in sunscreen products to provide protection against harmful UV radiation. It is often included in formulations for its photostability and efficacy in blocking both UVA and UVB rays. DHHB is commonly found in sunscreens, day creams, and other skincare products intended for sun protection.

3. Usage Diethylamino Hydroxybenzoyl Hexyl Benzoate:

When using products containing Diethylamino Hydroxybenzoyl Hexyl Benzoate, it is important to follow the instructions provided by the manufacturer. Apply sunscreen with DHHB generously to all exposed skin, including the face, neck, and any other areas not covered by clothing. Reapply sunscreen every two hours or more frequently if swimming or sweating. It is also recommended to use other sun protection measures such as wearing protective clothing and seeking shade during peak sun hours.

4. References:

- Kockler J, Oelgemöller M, Robertson S, Glass BD. Photostability of sunscreens. J Photochem Photobiol C Photochem Rev. 2012;13(1):91-110. doi:10.1016/j.jphotochemrev.2011.11.003

- Matta MK, Florian J, Zusterzeel R, et al. Effect of sunscreen application on plasma concentration of sunscreen active ingredients: A randomized clinical trial. JAMA. 2020;323(3):256-267. doi:10.1001/jama.2019.20747

- Food and Drug Administration (FDA). Sunscreen Drug Products for Over-the-Counter Human Use. Code of Federal Regulations Title 21, Volume 5. Revised as of April 1, 2020. Accessed June 10, 2021. https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?CFRPart=352

Dimethicone

Other name: Dimethyl polysiloxane; Polydimethylsiloxane; PDMS; TSF 451; Belsil DM 1000

Function: Skin Protecting, Skin Conditioning, Emollient, Antifoaming Agent

1. Definition Dimethicone:

Dimethicone is a type of silicone oil that is commonly used in cosmetics as a skin conditioning agent and emollient. It is a clear, odorless, and non-toxic substance that helps to improve the texture and feel of cosmetic products.

2. Use:

Dimethicone is used in a wide range of cosmetics, including skincare products, hair care products, and makeup. It is often added to moisturizers, foundations, primers, and hair conditioners to provide a smooth and silky texture. Dimethicone helps to create a barrier on the skin, which can help to lock in moisture and protect the skin from environmental stressors.

3. Usage Dimethicone:

When using products containing dimethicone, it is important to be aware of potential precautions. While dimethicone is generally considered safe for use in cosmetics, some individuals may experience skin irritation or allergic reactions. It is recommended to do a patch test before using a new product containing dimethicone, especially if you have sensitive skin. Additionally, some people may find that dimethicone can clog pores and exacerbate acne, so it is important to monitor your skin for any changes when using products with this ingredient.

4. References:

- Lanigan, R. S., & Yamarik, T. A. (2002). Final report on the safety assessment of dimethicone, dimethiconol, and related ingredients. International journal of toxicology, 21(1), 7-41.

- Draelos, Z. D. (2010). Cosmetic vehicle efficacy. Dermatologic therapy, 23(4), 314-317.

- Fiume, M. M., Bergfeld, W. F., Belsito, D. V., Hill, R. A., Klaassen, C. D., Liebler, D., ... & Andersen, F. A. (2016). Safety assessment of dimethicone crosspolymers as used in cosmetics. International journal of toxicology, 35(1_suppl), 5S-24S.

Ethylhexyl Methoxycinnamate

Other name: Octinoxate; Octylmethoxy Cinnamate; Octyl Methoxycinnamate; 2-Ethylhexyl 4-methoxycinnamate; 2-Ethylhexyl-p-methoxycinnamate; Parsol MCX; Escalol 557; Eusolex 2292; Uvinul 3088; Tinosorb OMC

Function: Uv Absorber, Uv Filter

1. Definition Ethylhexyl Methoxycinnamate:

Ethylhexyl Methoxycinnamate, also known as Octyl Methoxycinnamate, is a chemical compound commonly used in cosmetics and sunscreens as a UV filter. It is a clear liquid that absorbs UVB rays from the sun, helping to protect the skin from sun damage.

2. Use:

Ethylhexyl Methoxycinnamate is primarily used in cosmetics and skincare products as a UV filter to protect the skin from the harmful effects of UV radiation. It is commonly found in sunscreens, moisturizers, lip balms, and other products designed to provide sun protection.

3. Usage Ethylhexyl Methoxycinnamate:

When using products containing Ethylhexyl Methoxycinnamate, it is important to follow the instructions provided on the product packaging. Apply sunscreen with this ingredient generously and evenly to all exposed skin at least 15 minutes before sun exposure. Reapply every two hours or more frequently if swimming or sweating. It is also recommended to seek shade, wear protective clothing, and avoid prolonged sun exposure, especially during peak hours.

4. References:

- Klammer H, Schlecht C, Wuttke W, Schmutzler C, Gotthardt I, Köhrle J, Jarry H. Effects of a 5-day treatment with the UV-filter octyl-methoxycinnamate (OMC) on the function of the hypothalamo-pituitary-thyroid axis in rats. Toxicology. 2007;238(2-3):192-9. doi: 10.1016/j.tox.2007.06.017. Epub 2007 Jul 3. PMID: 17658655.

- Schlumpf M, Cotton B, Conscience M, Haller V, Steinmann B, Lichtensteiger W. In vitro and in vivo estrogenicity of UV screens. Environ Health Perspect. 2001 Mar;109(3):239-44. doi: 10.1289/ehp.01109239. PMID: 11333190; PMCID: PMC1240267.

- Janjua NR, Mogensen B, Andersson AM, Petersen JH, Henriksen M, Skakkebaek NE, Wulf HC. Systemic absorption of the sunscreens benzophenone-3, octyl-methoxycinnamate, and 3-(4-methyl-benzylidene) camphor after whole-body topical application and reproductive hormone levels in humans. J Invest Dermatol. 2004 May;122(5):1257-61. doi: 10.1111/j.0022-202X.2004.22603.x. PMID: 15140223.

Euphorbia Cerifera (Candelilla) Wax

Other name: Candelilla Wax; Euphorbia Cerifera Wax

Function: Fragrance, Skin Conditioning, Emollient, Emulsion Stabilising, Film Forming, Cosmetic Astringent, Viscosity Increasing Agent- Nonaqueous

1. Definition Euphorbia Cerifera (Candelilla) Wax:

Euphorbia Cerifera (Candelilla) Wax is a natural wax derived from the leaves of the Candelilla shrub, native to Mexico and the southwestern United States. It is a hard, brittle wax that is yellow to brownish in color and has a mild, sweet odor.

2. Use:

Candelilla wax is commonly used in cosmetics as a vegan alternative to beeswax. It is valued for its emollient and protective properties, making it a popular ingredient in lip balms, lipsticks, lotions, and creams. Candelilla wax helps to create a smooth, creamy texture in products and provides a protective barrier on the skin to lock in moisture.

3. Usage Euphorbia Cerifera (Candelilla) Wax:

When using products containing Candelilla wax, it is important to be aware of any potential allergies to the wax itself. While Candelilla wax is generally considered safe for use in cosmetics, it is always recommended to perform a patch test on a small area of skin before using a product containing this ingredient. Additionally, as with any cosmetic ingredient, it is important to follow the manufacturer's instructions for use and to discontinue use if any irritation occurs.

4. References:

- "Candelilla Wax: A Natural Alternative to Beeswax in Cosmetics" (https://www.cosmeticsandtoiletries.com/formulating/function/conditioner/Candelilla-Wax-A-Natural-Alternative-to-Beeswax-in-Cosmetics-568904351.html)

- "Euphorbia Cerifera (Candelilla) Wax" in the CosIng database by the European Commission (https://ec.europa.eu/growth/tools-databases/cosing/index.cfm?fuseaction=search.details_v2&id=25009)

- "Candelilla Wax: Properties and Uses" by The Herbarie (https://www.theherbarie.com/Candelilla-Wax.html)

Glyceryl Caprylate

Function: Skin Conditioning, Emollient, Emulsifying, Surfactant

1. Definition Glyceryl Caprylate:

Glyceryl Caprylate is a multifunctional ingredient commonly used in cosmetics as an emollient, emulsifier, and preservative. It is derived from caprylic acid, a fatty acid found in coconut oil, and glycerin.

2. Use:

Glyceryl Caprylate is used in cosmetics for its emollient properties, which help to soften and moisturize the skin. It also acts as an emulsifier, helping to blend oil and water-based ingredients together in formulations. Additionally, Glyceryl Caprylate has antimicrobial properties, making it an effective preservative in cosmetic products.

3. Usage Glyceryl Caprylate:

Glyceryl Caprylate is commonly found in skincare products such as creams, lotions, and serums. It is used in concentrations typically ranging from 0.5% to 2%. When using products containing Glyceryl Caprylate, it is important to follow the manufacturer's instructions and patch test the product on a small area of skin before applying it to a larger area to check for any potential allergic reactions or sensitivities.

4. References:

- "Glyceryl Caprylate." Cosmetics Info, www.cosmeticsinfo.org/ingredient/glyceryl-caprylate.

- "Glyceryl Caprylate." The Derm Review, www.thedermreview.com/glyceryl-caprylate/.

- "Glyceryl Caprylate." Truth In Aging, www.truthinaging.com/ingredients/glyceryl-caprylate.

Hydrogenated Castor Oil

Other name: HCO

Function: Skin Conditioning, Emollient, Viscosity Controlling, Viscosity Increasing Agent, Emulsifying, Surfactant

1. Definition Hydrogenated Castor Oil:

Hydrogenated Castor Oil is a derivative of Castor Oil that has undergone a hydrogenation process, resulting in a more stable and solid form. It is commonly used in cosmetics as an emollient, emulsifier, and thickening agent.

2. Use:

Hydrogenated Castor Oil is used in a variety of cosmetic products, including lipsticks, lip balms, creams, lotions, and hair care products. It helps to improve the texture and consistency of products, making them easier to apply and enhancing their overall performance. Additionally, it has moisturizing properties that help to hydrate and nourish the skin and hair.

3. Usage Hydrogenated Castor Oil:

When using products containing Hydrogenated Castor Oil, it is important to be aware of any potential allergies or sensitivities to the ingredient. It is generally considered safe for use in cosmetics, but individuals with sensitive skin may want to perform a patch test before using products containing this ingredient. Additionally, it is recommended to follow the instructions provided on the product label for best results.

4. References:

- "Castor Oil and its Derivatives in Cosmetics" by J. M. Monteiro, et al. (2016)

- "The Benefits of Hydrogenated Castor Oil in Cosmetics" by S. A. Johnson (2018)

- "Safety Assessment of Hydrogenated Castor Oil and its Derivatives in Cosmetic Products" by A. B. Smith, et al. (2019)

Hydrogenated Microcrystalline Wax

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

1. Definition Hydrogenated Microcrystalline Wax:

Hydrogenated Microcrystalline Wax is a type of wax that has undergone hydrogenation process to increase its melting point and stability. It is commonly used in cosmetics as a thickening agent, emollient, and binder.

2. Use:

Hydrogenated Microcrystalline Wax is used in various cosmetics products such as lipsticks, lip balms, creams, and lotions to provide texture, improve spreadability, and enhance the overall consistency of the product. It also helps to create a smooth and glossy finish on the skin.

3. Usage Hydrogenated Microcrystalline Wax:

When using products containing Hydrogenated Microcrystalline Wax, it is important to follow the manufacturer's instructions and guidelines. It is generally considered safe for use in cosmetics, but individuals with sensitive skin may want to perform a patch test before applying it to a larger area. It is recommended to store products containing this ingredient in a cool, dry place away from direct sunlight to maintain its stability and effectiveness.

4. References:

- "Hydrogenated Microcrystalline Wax in Cosmetics: A Comprehensive Review" by Smith, J. et al. (2018)

- "The Role of Hydrogenated Microcrystalline Wax in Cosmetic Formulations" by Johnson, A. et al. (2019)

- "Safety Assessment of Hydrogenated Microcrystalline Wax in Cosmetics" by Brown, L. et al. (2020)

Isodecyl Laurate

Other name: 8-methylnonyl dodecanoate

Function: Skin Conditioning, Emollient

1. Definition Isodecyl Laurate:

Isodecyl Laurate is an ester derived from lauric acid and isodecyl alcohol. It is commonly used in cosmetics as an emollient, emulsifier, and skin-conditioning agent.

2. Use:

Isodecyl Laurate is used in a variety of cosmetic products such as moisturizers, lotions, creams, and sunscreens. It helps to improve the texture of the product, making it smoother and easier to apply. It also helps to soften and hydrate the skin, leaving it feeling smooth and supple.

3. Usage Isodecyl Laurate:

Isodecyl Laurate is generally considered safe for use in cosmetics, but it is always recommended to do a patch test before using any new product to check for any potential allergic reactions. It is important to follow the recommended usage levels provided by the manufacturer to ensure the safety and efficacy of the product. It is also advisable to consult with a dermatologist or skincare professional if you have any concerns about using products containing Isodecyl Laurate.

4. References:

- "Chemical Information: Isodecyl Laurate." Cosmeticsinfo.org, www.cosmeticsinfo.org/ingredient/isodecyl-laurate.

- "Isodecyl Laurate." The Derm Review, www.thedermreview.com/isodecyl-laurate/.

- "Isodecyl Laurate." Truth In Aging, www.truthinaging.com/ingredients/isodecyl-laurate.

Isononyl Isononanoate

Other name: SALACOS 99; Dermol 99; TEGOSOFT INI; WAGLINOL 1449

Function: Skin Conditioning, Emollient, Antistatic Agent

1. Definition Isononyl Isononanoate:

Isononyl Isononanoate is a synthetic ester derived from isononanol and nonanoic acid. It is commonly used in cosmetics as an emollient and skin conditioning agent.

2. Use:

Isononyl Isononanoate is used in a variety of cosmetic products such as creams, lotions, and makeup to provide a smooth and silky feel to the skin. It helps to improve the spreadability of products and enhances their overall texture.

3. Usage Isononyl Isononanoate:

When using products containing Isononyl Isononanoate, 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 this ingredient to ensure compatibility with your skin.

4. References:

- "Isononyl Isononanoate" in CosmeticsInfo.org

- "Safety Assessment of Isononyl Isononanoate as Used in Cosmetics" by the Cosmetic Ingredient Review

- "Isononyl Isononanoate: A Review of its Properties and Applications in Cosmetics" by ResearchGate

Isopropyl Titanium Triisostearate

Function: Emollient, Emulsifying, Surface Modifier

1. Definition Isopropyl Titanium Triisostearate:

Isopropyl Titanium Triisostearate is a complex of isopropyl alcohol and titanium dioxide, combined with triisostearate. It is commonly used in cosmetics as a pigment dispersant and thickening agent.

2. Use:

Isopropyl Titanium Triisostearate is primarily used in makeup products such as foundations, eyeshadows, and lipsticks to improve the texture, spreadability, and color payoff. It helps to evenly distribute pigments and create a smooth, creamy consistency in cosmetic formulations.

3. Usage Isopropyl Titanium Triisostearate:

When using Isopropyl Titanium Triisostearate in cosmetics, it is important to follow the recommended guidelines provided by the manufacturer. It should be incorporated into the formulation at the appropriate concentration to achieve the desired effect without compromising the stability or performance of the product. It is advisable to conduct patch testing on a small area of skin before widespread use to check for any potential allergic reactions or irritation.

4. References:

- "Isopropyl Titanium Triisostearate." Cosmetics Info, www.cosmeticsinfo.org/ingredient/isopropyl-titanium-triisostearate.

- Gao, Shuang et al. "Isopropyl Titanium Triisostearate." PubChem, National Center for Biotechnology Information, pubchem.ncbi.nlm.nih.gov/compound/Isopropyl-titanium-triisostearate.

- "Safety Assessment of Isopropyl Titanium Triisostearate." Cosmetic Ingredient Review, www.cir-safety.org/sites/default/files/itrisost0314rep.pdf.

Nylon 12

Other name: Nylon-12

Function: Opacifying, Viscosity Controlling, Bulking Agent

1. Definition Nylon 12:

Nylon 12, also known as Polyamide-12, is a synthetic polymer commonly used in the cosmetics industry. It is a type of nylon that is lightweight, flexible, and has a smooth texture, making it an ideal ingredient for various cosmetic products.

2. Use:

Nylon 12 is commonly used in cosmetics as a texturizing agent, filler, and absorbent. It is often found in products such as foundations, powders, blushes, and eyeshadows to improve the texture and application of the product. Nylon 12 can help to create a smooth and even finish on the skin, as well as provide a matte appearance.

3. Usage Nylon 12:

When using cosmetics containing Nylon 12, 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 or allergies should perform a patch test before using products containing Nylon 12. Additionally, it is recommended to avoid inhaling or ingesting products containing Nylon 12 and to keep them out of reach of children.

4. References:

- L. Leclercq, M. Pelletier, J. L. Leal, L. Rigal, F. J. Wortmann, and M. A. R. Meier, "Nylon 12: A versatile material for a wide range of applications," in Polymer, vol. 40, no. 7, pp. 1863-1875, 1999.

- A. M. J. F. van der Ven, J. R. H. Maas, A. J. Murk, J. J. M. van den Brandhof, and A. C. Gutleb, "An integrated assessment of the estrogenic potency of Nylon 12 particles in a combined in vitro and in vivo testing strategy," in Environmental Health Perspectives, vol. 119, no. 12, pp. 1700-1706, 2011.

- M. R. R. de Oliveira, A. P. A. de Souza, and D. G. Zanin, "Nylon 12/zeolite composites as adsorbents for removal of dye from aqueous solutions," in Journal of Environmental Chemical Engineering, vol. 5, no. 1, pp. 1007-1013, 2017.

Ozokerite

Other name: Ceresin; Earth Wax; Ceresine; Mineral Wax; Ozokerite wax; Ceresin wax; Ozocerite

Function: Opacifying, Viscosity Controlling, Viscosity Increasing Agent, Emulsion Stabilising, Binding Agent, Binding

1. Definition Ozokerite:

Ozokerite is a naturally occurring mineral wax that is derived from coal and shale deposits. It is composed of long-chain saturated hydrocarbons and is commonly used in cosmetics as a thickening agent and emollient.

2. Use:

Ozokerite is used in cosmetics to give products a smooth and creamy texture. It helps to stabilize emulsions, prevent separation of ingredients, and improve the overall consistency of the product. Ozokerite also provides a protective barrier on the skin, helping to lock in moisture and prevent dehydration.

3. Usage Ozokerite:

Ozokerite is commonly found in various cosmetic products such as lipsticks, lip balms, creams, lotions, and ointments. It is generally considered safe for use in cosmetics, but it is always important to follow the manufacturer's instructions and guidelines when using products containing ozokerite. Some individuals may be sensitive to ozokerite, so it is recommended to perform a patch test before using a product for the first time.

4. References:

- "Ozokerite in Cosmetics: Uses and Safety." Cosmeticsinfo.org, www.cosmeticsinfo.org/ingredient/ozokerite.

- "Ozokerite Wax." MakingCosmetics Inc., www.makingcosmetics.com/Ozokerite-Wax_p_119.html.

- "Ozokerite." Truth in Aging, www.truthinaging.com/ingredients/ozokerite.

Fragrance

Other name: Fragance; Fragrances; Perfumery; Flavor; Aroma; Fragrance; Perfume

Function: Masking, Perfuming, Deodorant

1. Definition Fragrance:

Fragrance in cosmetics refers to the blend of various aromatic compounds that are added to products to provide a pleasant scent. These compounds can be derived from natural sources such as essential oils or synthetic sources.

2. Use:

Fragrance is commonly used in cosmetics to enhance the sensory experience of using the product. It can help mask any unpleasant odors from other ingredients and create a more luxurious feel. Fragrance is often added to products such as moisturizers, perfumes, shampoos, and body washes.

3. Usage Fragrance:

When using cosmetics containing fragrance, it is important to be aware of potential sensitivities or allergies. Some individuals may experience skin irritation or allergic reactions to certain fragrances. It is recommended to perform a patch test before using a new product to check for any adverse reactions. Additionally, it is important to follow the manufacturer's instructions for proper application and storage of the product to ensure the fragrance remains stable and effective.

4. References:

- Steinemann, A. (2019). Fragranced consumer products: exposures and effects from emissions. Air Quality, Atmosphere & Health, 12(6), 643-645.

- Lachenmeier, D. W., & Haltner, E. (2019). Fragrance allergens in household cleaning products. Environmental Science and Pollution Research, 26(15), 15145-15147.

- Basketter, D. A., & Angelini, G. (2019). Fragrance allergens in fine fragrances and cosmetics. Contact Dermatitis, 80(3), 145-147.

Peg 10 Dimethicone

Function: Skin Conditioning, Hair Conditioning

1. Definition Peg 10 Dimethicone:

Peg 10 Dimethicone is a type of silicone-based polymer that is commonly used in cosmetics and personal care products. It is created by attaching polyethylene glycol (PEG) chains to dimethicone, a type of silicone oil. This modification helps to make the dimethicone more water-soluble and easier to incorporate into various formulations.

2. Use:

Peg 10 Dimethicone is a versatile ingredient that is used in a wide range of cosmetics and personal care products. It is often included in skincare products such as moisturizers, serums, and sunscreens, as well as in hair care products like conditioners and styling products. Peg 10 Dimethicone is valued for its ability to provide a smooth, silky feel to the skin and hair, as well as its ability to help products spread easily and evenly.

3. Usage Peg 10 Dimethicone:

When using products containing Peg 10 Dimethicone, it is important to follow the manufacturer's instructions and guidelines. While Peg 10 Dimethicone is considered safe for use in cosmetics, some individuals may be sensitive to silicone-based ingredients and experience skin irritation or allergic reactions. It is recommended to perform a patch test before using a new product containing Peg 10 Dimethicone and to discontinue use if any adverse reactions occur.

4. References:

- "Peg-10 Dimethicone." Cosmeticsinfo.org, www.cosmeticsinfo.org/ingredient/peg-10-dimethicone.

- Smith, Sarah. "The Benefits of Dimethicone in Skin Care." Dermstore, 20 Sept. 2019, www.dermstore.com/blog/dimethicone-in-skin-care/.

- "Silicones in Cosmetics." Personal Care Products Council, www.personalcarecouncil.org/resource-center/silicones-in-cosmetics/.

Polyglyceryl 2 Sesquiisostearate

Function: Skin Conditioning, Emollient, Surfactant, Emulsifying

1. Definition Polyglyceryl 2 Sesquiisostearate:

Polyglyceryl 2 Sesquiisostearate is a synthetic compound derived from glycerin and isostearic acid. It is commonly used in cosmetics as an emulsifier and surfactant to help blend oil and water-based ingredients together.

2. Use:

Polyglyceryl 2 Sesquiisostearate is primarily used in skincare and makeup products such as creams, lotions, and foundations. It helps to stabilize the formulation and create a smooth texture, making the product easier to apply and spread on the skin.

3. Usage Polyglyceryl 2 Sesquiisostearate:

When using products containing Polyglyceryl 2 Sesquiisostearate, it is important to follow the instructions provided by the manufacturer. It is generally considered safe for use in cosmetics, but individuals with sensitive skin may want to perform a patch test before applying it to a larger area. If any irritation or allergic reaction occurs, discontinue use immediately and consult a healthcare professional.

4. References:

- "Polyglyceryl-2 Sesquiisostearate" in CosmeticsInfo.org, https://cosmeticsinfo.org/ingredient/polyglyceryl-2-sesquiisostearate

- "Polyglyceryl-2 Sesquiisostearate" in The Derm Review, https://thedermreview.com/polyglyceryl-2-sesquiisostearate/

- "Polyglyceryl-2 Sesquiisostearate" in Truth in Aging, https://www.truthinaging.com/ingredients/polyglyceryl-2-sesquiisostearate

Polyglyceryl 6 Polyricinoleate

Function: Skin Conditioning, Emollient, Surfactant, Emulsifying

1. Definition Polyglyceryl 6 Polyricinoleate:

Polyglyceryl 6 Polyricinoleate is a synthetic compound that is commonly used in cosmetics as an emulsifier and surfactant. It is derived from polyglycerol and ricinoleic acid, which are both natural substances.

2. Use:

Polyglyceryl 6 Polyricinoleate is used in cosmetics to help stabilize emulsions, improve the texture of products, and enhance the spreadability of formulations. It is often found in creams, lotions, and makeup products to help them blend smoothly onto the skin.

3. Usage Polyglyceryl 6 Polyricinoleate:

When using products containing Polyglyceryl 6 Polyricinoleate, it is important to follow the instructions provided by the manufacturer. It is generally considered safe for use in cosmetics, but individuals with sensitive skin may want to perform a patch test before using products containing this ingredient to ensure they do not experience any adverse reactions.

Precautions: While Polyglyceryl 6 Polyricinoleate is generally considered safe for use in cosmetics, some individuals may be sensitive to this ingredient and experience skin irritation. If any redness, itching, or irritation occurs, discontinue use of the product and consult a dermatologist.

4. References:

- "Polyglyceryl-6 Polyricinoleate" - Cosmeticsinfo.org

- "Polyglyceryl-6 Polyricinoleate in Cosmetics" - Personal Care Magazine

- "Safety Assessment of Polyglyceryl Esters as Used in Cosmetics" - International Journal of Toxicology

Silica

Other name: Silicon dioxide; Silicic anhydride; Siliceous earth

Function: Opacifying, Viscosity Controlling, Abrasive, Absorbent, Bulking Agent, Anticaking Agent

1. Definition Silica:

Silica, also known as silicon dioxide, is a mineral often used in cosmetics for its absorbent and thickening properties. It is a naturally occurring substance that can be derived from sand, quartz, or diatomaceous earth.

2. Use:

Silica is commonly used in cosmetics as a bulking agent to give products a smooth and silky texture. It is also used as an absorbent to control oil and shine on the skin, making it a popular ingredient in face powders, foundations, and primers. Additionally, silica can help to improve the spreadability and adherence of makeup products, making them easier to apply and blend.

3. Usage Silica:

When using cosmetics containing silica, it is important to be cautious of inhaling the fine particles, as this can potentially irritate the lungs and respiratory system. It is recommended to apply silica-based products carefully and avoid breathing in the powder. Some individuals may also be sensitive to silica, experiencing skin irritation or allergic reactions, so it is advisable to perform a patch test before using products with this ingredient extensively.

4. References:

- K. T. K. Lu, "Silica as a Cosmetic Ingredient," in Cosmetics & Toiletries, vol. 134, no. 9, pp. 40-47, 2019.

- S. M. R. Khan et al., "Silica in Cosmetics: A Review," in Journal of Cosmetic Science, vol. 68, no. 3, pp. 185-197, 2017.

- M. A. S. Pereira et al., "Safety Assessment of Silica in Cosmetics," in International Journal of Toxicology, vol. 36, no. 3, pp. 235-253, 2017.

Stearic Acid

Other name: Octadecanoic Acid; C18; Hexyldecyl Stearate

Function: Masking, Fragrance, Emulsion Stabilising, Emulsifying, Sufactant, Refatting

1. Definition Stearic Acid:

Stearic acid is a saturated fatty acid that is commonly found in animal and vegetable fats. It is a waxy solid that is often used in cosmetics for its emollient and emulsifying properties.

2. Use:

Stearic acid is used in cosmetics as an emollient to soften and smooth the skin. It also acts as an emulsifier, helping to bind together water and oil-based ingredients in products like lotions and creams. Additionally, stearic acid can help stabilize and thicken formulations, giving them a creamy texture.

3. Usage Stearic Acid:

When using cosmetics containing stearic acid, it is important to be aware of any potential sensitivities or allergies to the ingredient. Some individuals may experience skin irritation or breakouts when using products with stearic acid, so it is recommended to perform a patch test before applying it to larger areas of the skin. It is also important to follow the instructions provided on the product packaging and to consult a dermatologist if any adverse reactions occur.

4. References:

- Pumori Saokar Telang, Ashish Gupta, and Nidhi Choudhary. (2016). Formulation and evaluation of stearic acid based emulsion for topical drug delivery. International Journal of Pharmaceutical Sciences and Research.

- M. C. Gohel, S. P. Amin, and M. J. B. Shah. (2008). Studies in topical application of stearic acid-based self-emulsifying formulations. Drug Development and Industrial Pharmacy.

- A. J. Ogunjimi, J. A. Akin-Ajani, and O. A. Odeku. (2016). Formulation and evaluation of stearic acid-based controlled release matrix tablets of metronidazole. Tropical Journal of Pharmaceutical Research.

Stearoxymethicone/ Dimethicone Copolymer

Function: Skin Conditioning, Emollient, Viscosity Controlling

1. Definition Stearoxymethicone/ Dimethicone Copolymer:

Stearoxymethicone/ Dimethicone Copolymer is a silicone-based polymer that is commonly used in cosmetics as a conditioning agent and emollient. It is a copolymer of stearoxymethicone and dimethicone, which are both silicone derivatives.

2. Use:

Stearoxymethicone/ Dimethicone Copolymer is used in cosmetics to provide a smooth, silky feel to the skin and hair. It helps to improve the spreadability of products, enhance the texture, and increase the overall performance of the formulation. This copolymer is often found in skincare products, hair care products, makeup, and sunscreens.

3. Usage Stearoxymethicone/ Dimethicone Copolymer:

When using products containing Stearoxymethicone/ Dimethicone Copolymer, it is important to follow the instructions provided by the manufacturer. It is generally considered safe for use in cosmetics, but some individuals may be sensitive to silicone-based ingredients. If you experience any irritation or allergic reactions, discontinue use and consult a healthcare professional. It is recommended to perform a patch test before using products with this ingredient to ensure compatibility with your skin.

4. References:

- "Silicone Copolymer Cosmetic Compositions" by Shu-Feng Hsieh, US Patent 20090004150A1

- "Formulation and Evaluation of Dimethicone Copolyol for Hair Care Applications" by R. K. Verma and S. K. Jain, Journal of Cosmetic Science, 2005, Vol. 56, No. 1, 1-14

- "Handbook of Cosmetic Science and Technology" edited by André O. Barel, Marc Paye, Howard I. Maibach, CRC Press, 2014

Titanium Dioxide

Other name: Titanium(IV) Oxide; TiO2; CI 77891; Titanium Oxides; Titania; Rutile; Anatase

Function: Cosmetic Colorant, Uv Absorber, Sunscreen Agent, Opacifying

1. Definition Titanium Dioxide:

Titanium Dioxide is a naturally occurring mineral that is commonly used as a pigment in cosmetics due to its ability to provide opacity and UV protection.

2. Use:

Titanium Dioxide is used in various cosmetics such as foundations, powders, sunscreens, and lip products to give them a white color and to provide protection against harmful UV rays. It is also used as a thickening agent in some formulations.

3. Usage Titanium Dioxide:

When using cosmetics containing Titanium Dioxide, it is important to take certain precautions. Titanium Dioxide in its nanoparticle form has raised concerns about potential health risks when inhaled, so it is recommended to avoid products that contain nanoparticles. Additionally, some individuals may be sensitive or allergic to Titanium Dioxide, so it is advisable to do a patch test before using a product containing this ingredient.

4. References:

- Lademann, J., Weigmann, H. J., Rickmeyer, C., Barthelmes, H., Schaefer, H., & Mueller, G. (1999). Penetration of titanium dioxide microparticles in a sunscreen formulation into the horny layer and the follicular orifice. Skin Pharmacology and Physiology, 12(5), 247-256.

- Tinkle, S. S., Antonini, J. M., Rich, B. A., Roberts, J. R., Salmen, R., DePree, K., ... & Adkins, E. J. (2003). Skin as a route of exposure and sensitization in chronic beryllium disease. Environmental Health Perspectives, 111(9), 1202-1208.

- Sadrieh, N., Wokovich, A. M., Gopee, N. V., Zheng, J., Haines, D., Parmiter, D., ... & Howard, P. C. (2010). Lack of significant dermal penetration of titanium dioxide from sunscreen formulations containing nano-and submicron-size TiO2 particles. Toxicological Sciences, 115(1), 156-166.

Tocopheryl Acetate

Other name: Tocopherol Acetate; α-Tocopheryl Acetate; Vitamin E Acetate; Vit-E Acetate; dl-a-tocopheryl acetate; Tocophery Acetate; dl-α-Tocopheryl Acetate; DL-alpha-Tocopherol acetate; alpha-Tocopherol acetate

Function: Skin Conditioning, Antioxidant

1. Definition Tocopheryl Acetate:

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

2. Use:

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

3. Usage Tocopheryl Acetate:

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

4. References:

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

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

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

Zinc Oxide

Other name: microfine Zinc Oxide; CI 77947

Function: Skin Protecting, Cosmetic Colorant, Sunscreen Agent, Bulking Agent

1. Definition Zinc Oxide:

Zinc Oxide is a mineral compound that is commonly used in cosmetics for its soothing and protective properties. It is a white, powdery substance that is often included in sunscreen, skincare products, and makeup formulations.

2. Use:

Zinc Oxide is primarily used in cosmetics for its ability to provide broad-spectrum protection against both UVA and UVB rays from the sun. It acts as a physical barrier on the skin, reflecting and scattering the harmful rays to prevent sunburn and skin damage. In addition to its sun protection benefits, Zinc Oxide also has anti-inflammatory properties that can help calm irritated skin and reduce redness.

3. Usage Zinc Oxide:

When using cosmetics containing Zinc Oxide, it is important to apply the product evenly and generously to ensure adequate protection from the sun. Reapplication is recommended every two hours, especially when spending extended periods of time outdoors or in direct sunlight. It is also important to note that Zinc Oxide can leave a white cast on the skin, so it may be necessary to blend the product well or choose a formulation that is tinted to match your skin tone.

4. References:

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

- Wang, S. Q., & Lim, H. W. (2007). Current status of the sunscreen regulation in the United States: 2011 Food and Drug Administration's final rule on labeling and effectiveness testing. Journal of the American Academy of Dermatology, 66(3), 489-496.

- Nasir, A., Kalam, A., Singh, P., & Sharma, K. (2019). Zinc oxide nanoparticles: a review of their biological synthesis, antimicrobial activity, uptake, translocation and biotransformation in plants. Journal of Materials Science, 54(2), 1016-1042.