Emollient
PERFLUORONONYLETHYL CARBOXYDECYL BEHENYL DIMETHICONE
Safety score · 0–100
Caution
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A silicone bearing both a C9 perfluoroalkyl tail and a behenyl (C22) chain — the PFAS side gives water and oil repellency while behenyl adds waxy emolliency. The long-chain PFAS structure is the EU's priority phase-out target.
Function
Skin benefits
- Combines behenyl waxy emolliency with PFAS repellency
- Long-wear film for makeup
- High thermal and chemical stability
Known concerns
- C9 perfluoroalkyl tail is long-chain PFAS
- ECHA REACH restriction scope captures this class
- Persistent and bioaccumulative
- EU cosmetic phase-out expected
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related emollients
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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.