Film Former
METHYL ACRYLATE/STEARYL METHACRYLATE COPOLYMER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A hydrophobic film-forming copolymer pairing short methyl acrylate with long stearyl methacrylate, used in long-wear skin and hair products. The polymer is well tolerated; residual monomer levels are the main control point.
Function
Skin benefits
- Hydrophobic film-forming for long-wear products
- Provides water resistance in sunscreens and makeup
- Stable through wide temperature ranges
- High molecular weight limits skin penetration
Known concerns
- Residual methyl acrylate monomer is a known sensitizer
- Methacrylate residuals can also sensitize
- Microplastic environmental concerns
- EU residual-monomer compliance required
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related film formers
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.