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Film Former

METHYL/PHENYL POLYSILSESQUIOXANE

CAS 67763-03-5
72

Safety score · 0–100

Fine

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

A methyl/phenyl silicone resin used as a film former in sunscreens and makeup. Skin-safe and non-irritating; the main concern is environmental persistence rather than human toxicity.

Function

OPACIFYINGSLIP MODIFIER

Skin benefits

  • Film former
  • Smooth feel
  • Water resistance
  • Wear-improving

Known concerns

  • Environmental persistence
  • Not biodegradable
  • Possible cyclosiloxane impurities
  • Ecotox flag

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.