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Surfactant

PERFLUOROHEXYL ETHYLPHOSPHONIC ACID

CAS 252237-40-4 Updated
18

Safety score · 0–100

Avoid

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

About

A perfluoroalkyl (PFAS) phosphonic acid surfactant. A "forever chemical" that does not break down and bioaccumulates. EU and global regulators are phasing out PFAS in cosmetics — best avoided.

Function

SURFACTANT - CLEANSING

Skin benefits

  • Water-repellent finish in nail/makeup formulas

Known concerns

  • PFAS — environmental persistence
  • Bioaccumulation potential
  • EU regulatory phase-out underway
  • Class concerns from related perfluoroalkyls

References

EU

EU CosIng database

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

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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.