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Film Former

BETA-SITOSTERYL (OCTADECENE/MA) COPOLYMER

CAS 1013637-82-5
82

Safety score · 0–100

Good

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

A copolymer of plant-derived beta-sitosterol with an octadecene/maleic anhydride backbone — forms a flexible film for conditioning and substantivity. Generally safe at cosmetic levels with no flagged concerns.

Function

FILM FORMING

Skin benefits

  • Plant sterol-based conditioning
  • Forms flexible film on skin and hair
  • Maleic anhydride copolymer provides film integrity

Known concerns

  • Trace residual maleic anhydride monomer possible
  • Limited dedicated cosmetic dossier

References

EU

EU CosIng database

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

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ACRYLATES/TRIS(TRIMETHYLSILOXY)SILYLPROPYL METHACRYLATE COPOLYMER
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ACRYLATES/VA/VINYL NEODECANOATE COPOLYMER
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AMMONIUM VA/ACRYLATES COPOLYMER
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BIS-HYDROXYETHOXYPROPYL DIMETHICONE/LACTIDE COPOLYMER
Film Former

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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.