Description

Acrylic Acid/Stearyl Methacrylate/Dimethicone Methacrylate Copolymer is an inorganic chemical compound, a Dimethicone by-product.

Safety
Dimethicone is a chemical compound, derived from silicone, a mixture of linear methylated siloxane polymers, a chemically inert silicone-based polymer. It is considered safe when formulated to be non-irritating in cosmetic products.
https://www.tiiips.com/m/tiiips/home?action=viewObject&oID=26173

What it is used for and where
Cosmetics
Emulsion stabilizer. Emulsions are thermodynamically unstable. Emulsion stabilisers improve the formation and stability of single and double emulsions. It should be noted that in the structure-function relationship, molar mass plays an important role.
Synonyms:

CAS: