Film Former
PERFLUORONONYLETHYL CARBOXYDECYL HEXACOSYL DIMETHICONE
Safety score · 0–100
Caution
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A dimethicone studded with a C9 perfluoroalkyl tail (PFAS) and a C26 hexacosyl chain — high-performance long-wear waterproofing for makeup. Long-chain PFAS chemistry is the EU's top-priority cosmetic phase-out target under REACH.
Function
Skin benefits
- Long-wear waterproof and oil-proof films
- Combines hexacosyl emolliency with PFAS repellency
- Highly stable in finished product
Known concerns
- C9 perfluoroalkyl side chain is long-chain PFAS
- ECHA REACH restriction scope captures this class
- Environmental persistence and bioaccumulation
- EU cosmetic phase-out expected
References
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.