Film Former
AMMONIUM ACRYLATES/METHYLSTYRENE/STYRENE COPOLYMER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
An acrylate-styrene copolymer used to build durable films in styling, color and long-wear products. The cured polymer is essentially inert, but reputable suppliers strip residual styrene monomer well below classification thresholds.
Function
Skin benefits
- Forms durable, opacifying films
- Improves wear in color cosmetics and hair styling
- Builds viscosity in water-based systems
Known concerns
- Trace residual styrene monomer possible in poorly stripped grades
- Styrene listed by IARC as Group 2A — but only at monomer level, not in cured polymer
- Limited specific toxicology on this exact terpolymer
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.