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Film Former

BIS-STEARYL PEG/PPG-8/6 SMDI/PEG-400 COPOLYMER

60

Safety score · 0–100

Fine

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

A complex stearyl-PEG/PPG isocyanate-based copolymer used as a film former in long-wear cosmetics. Inert as a polymer but residual SMDI monomer is the main caveat.

Function

VISCOSITY CONTROLLING

Skin benefits

  • Polymeric emollient/film former
  • Improves long-wear in color cosmetics
  • Skin-feel enhancer
  • Co-emulsifier

Known concerns

  • SMDI — uses isocyanate chemistry; residual monomer concerns
  • PEG residual 1,4-dioxane risk
  • Limited independent safety data on the polymer

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, so always read the physical product label and consult a healthcare professional for personal concerns.