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Film Former

PERFLUOROOCTYLETHYL TRIETHOXYSILANE

CAS 101947-16-4 Updated
20

Safety score · 0–100

Caution

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

About

A fluorinated silane used to make long-wear, water-repellent films in makeup. Belongs to the PFAS family — being phased out of EU cosmetics due to environmental persistence.

Function

ANTICAKING

Skin benefits

  • Water and oil repellence on skin/hair surface
  • Long-wear film former in colour cosmetics

Known concerns

  • PFAS-class compound — persistent and bioaccumulative
  • Restricted/phased out in EU cosmetics under PFAS regulation
  • Environmental persistence

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