Description

Styrene/methylstyrene copolymer is a chemical compound, a styrene by-product.

Significant substances used in the production method:
Acrylic Acid, methylstyrene, Styrene monomers.

Safety
Styrene is a fat-soluble organic molecule obtained from the Friedel-Crafts reaction between benzene and ethylene. It is a residual monomer that can be absorbed through the skin. It can cause neurotoxic effects.
Kraeling, M. E., & Bronaugh, R. L. (2005). In vitro percutaneous absorption of acrylamide and styrene from cosmetic vehicles through fuzzy rat and human skin. Cutaneous and Ocular Toxicology, 24(1), 65-79.

What it is used for and where
Cosmetics

Binder agent. Ingredient that is used in cosmetic, food and pharmaceutical products as an anti-caking agent with the function of making the product in which it is incorporated silky, compact and homogenous. The binder, either natural such as mucilage, gums and starches or chemical, may be in the form of a powder or liquid.

Epilating agent. This ingredient removes hair directly from the follicle and can be applied independently or in combination with other ingredients. While the razor removes hairs at their top, the depilatory agent eradicates them from their base.
Synonyms:

CAS: 9011-11-4 37218-15-8