Film Former
STYRENE/MA COPOLYMER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A styrene-maleic anhydride copolymer used as a film former and opacifier. Polymer itself is inert but residual styrene and microplastic concerns nudge it down.
Function
Skin benefits
- Film former
- Viscosity control
- Opacifying agent
Known concerns
- Possible residual styrene monomer
- Microplastic concern
- Low biodegradability
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.