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Film Former

PERFLUORONONYLETHYL CARBOXYDECYL LAURYL/BEHENYL DIMETHICONE

Updated
22

Safety score · 0–100

Caution

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

About

A long-chain fluorinated silicone that delivers extreme water and oil repellency. The perfluorononyl group falls within the scope of the EU 2024/2462 PFAS cosmetics restriction — being phased out from 2026.

Function

SKIN CONDITIONING - EMOLLIENTSKIN CONDITIONING - OCCLUSIVE

Skin benefits

  • Extreme water and oil repellency
  • Long-chain occlusive emollient
  • Strong substantivity

Known concerns

  • Contains perfluorononylethyl (C9 PFAS) group — persistent and bioaccumulative
  • Falls under EU Reg 2024/2462 PFAS restriction in cosmetics
  • PFAS exposure linked to immune, thyroid, reproductive effects

References

EU

EU CosIng database

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

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Check your shelf

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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.