Sodium Styrene/Acrylates/Divinylbenzene Copolymer

1. Definition Sodium Styrene/Acrylates/Divinylbenzene Copolymer:

Sodium Styrene/Acrylates/Divinylbenzene Copolymer is a polymer used in cosmetics as a film-forming agent and viscosity increasing agent. It is a combination of sodium styrene/acrylates copolymer and divinylbenzene crosspolymer, which helps improve the texture and performance of cosmetic products.

2. Use:

Sodium Styrene/Acrylates/Divinylbenzene Copolymer is commonly used in cosmetics such as foundations, concealers, and sunscreens to provide a smooth and even application. It helps to create a film on the skin, which enhances the longevity and wear of the product. Additionally, it can also improve the water resistance of formulations, making them more durable and long-lasting.

3. Usage Sodium Styrene/Acrylates/Divinylbenzene Copolymer:

When using products containing Sodium Styrene/Acrylates/Divinylbenzene Copolymer, 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 products containing this ingredient to larger areas of the skin. As with any cosmetic ingredient, if irritation occurs, discontinue use immediately and consult a healthcare professional.

4. References:

- Cosmetic Ingredient Review Expert Panel. Final report on the safety assessment of styrene/acrylates copolymer and sodium styrene/acrylates copolymer. International Journal of Toxicology. 2002;21(Suppl 3):51-111.

- Personal Care Products Council. Sodium Styrene/Acrylates Copolymer. Accessed from: https://www.cosmeticsinfo.org/ingredient/sodium-styreneacrylates-copolymer

- U.S. Food and Drug Administration. Code of Federal Regulations Title 21. Sodium Styrene/Acrylates Copolymer. Accessed from: https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=73.1250