Solvent
METHYL PERFLUOROBUTYL ETHER
Safety score · 0–100
Caution
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A volatile perfluoroether (HFE-7100) used as a quick-drying carrier in long-wear cosmetics. France bans PFAS-containing cosmetics from 2027; this ingredient sits squarely in that scope.
Function
Skin benefits
- Quick-drying volatile carrier
- Smooth, water-resistant feel
- Long-wear performance for makeup
Known concerns
- PFAS-class — environmentally persistent forever chemical
- Banned from cosmetic use in France from 2027
- Bioaccumulation concerns for breakdown products
- Faces broad EU PFAS restriction
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related solvents
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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.