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A synthetic polymer of ethyl methacrylate, used in cosmetics as a film-forming agent, binder, and viscosity-increasing agent, often found in nail products and hair sprays.
Beneficial for
Safety summary
Generally considered safe for cosmetic use. Methacrylate polymers are widely used and well-tolerated.
CAS Number
9003-42-3
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.