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OCTADECENE/MA COPOLYMER

CAS 25266-02-8 Updated
76

Safety score · 0–100

Fine

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

About

An octadecene-maleic anhydride copolymer (CAS 25266-02-8) used as a film former and viscosity controller in color cosmetics. Cosmetic-grade polymer with standard residual-monomer caveats.

Function

LIGHT STABILIZERVISCOSITY CONTROLLING

Skin benefits

  • Film-forming agent
  • Light stabilizer
  • Viscosity controller
  • Improves wear in colour cosmetics

Known concerns

  • Possible residual maleic anhydride hydrolysing to maleic acid
  • Limited skin sensitization data for some grades

References

EU

EU CosIng database

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

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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.