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Film Former

AMMONIUM STYRENE/ACRYLATES COPOLYMER

78

Safety score · 0–100

Fine

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

An ammonium-salt styrene/acrylates copolymer used to opacify rinse-off products. Polymer itself is inert; styrene monomer purity matters since styrene is classified as possibly carcinogenic.

Function

FILM FORMINGOPACIFYING

Skin benefits

  • Opacifying and pearlizing agent
  • Forms stable polymer dispersion
  • Improves product appearance

Known concerns

  • Trace residual styrene monomer (suspected carcinogen) in poorly purified grades
  • Polymer itself does not penetrate skin

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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Same plant / compound family

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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.