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Film Former

SODIUM MA/DIISOBUTYLENE COPOLYMER

CAS 37199-81-8
80

Safety score · 0–100

Good

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

A high-molecular-weight maleic-anhydride / diisobutylene copolymer used as a film former on skin and hair. Considered safe at cosmetic concentrations; the cured polymer is not skin-absorbed.

Function

FILM FORMING

Skin benefits

  • Forms a smooth protective film
  • High molecular weight limits skin penetration
  • Stabilizes formulations

Known concerns

  • Synthetic polymer with low biodegradability
  • Maleic anhydride monomer requires residual control

References

EU

EU CosIng database

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

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ACRYLATES/C12-22 ALKYL METHACRYLATE COPOLYMER
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ACRYLATES/STEARETH-50 ACRYLATE COPOLYMER
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ACRYLATES/STEARYL ACRYLATE/DIMETHICONE METHACRYLATE 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.