Film Former
SODIUM ACRYLATE/METHYLSTYRENE/STYRENE COPOLYMER
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A polystyrene-acrylate latex that adds pearly opacity to washes and creams. Skin-safe in itself, but EU REACH is phasing out this kind of microplastic — and residual styrene is a potential carcinogen.
Function
Skin benefits
- Polystyrene-acrylate latex used for opacifying and pearl effects
- Cured polymer is inert on skin
- Low-cost, well-known formulation tool
Known concerns
- Falls under EU REACH 2023 microplastic restriction — being phased out as intentionally added microplastic
- Residual styrene monomer is a possible IARC 2B carcinogen
- Not biodegradable
- Wash-off products will be banned in EU within transition windows
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, so always read the physical product label and consult a healthcare professional for personal concerns.