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Film Former

STYRENE/MA COPOLYMER

CAS 9011-13-6 Updated
68

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

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

BINDINGEMULSION STABILISINGFILM FORMING

Skin benefits

  • Film former
  • Viscosity control
  • Opacifying agent

Known concerns

  • Possible residual styrene monomer
  • Microplastic concern
  • Low biodegradability

References

EU

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.