Solvent
METHYL PERFLUOROISOBUTYL ETHER
Safety score · 0–100
Caution
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
An isomer of HFE-7100 — a volatile perfluorinated ether used as a smooth carrier solvent. Like other PFAS, it is on the regulatory phase-out trajectory and falls under France's 2027 cosmetic-PFAS ban.
Function
Skin benefits
- Volatile carrier with quick dry-down
- Smooth slip on application
- Improves long-wear in makeup
Known concerns
- PFAS-class — environmentally persistent forever chemical
- Banned in French cosmetics from 2027
- Possible bioaccumulative breakdown products
- Subject to broad EU PFAS restriction proposal
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.