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Surfactant

C20-40 ALKETH-10 (FORMERLY C20-40 PARETH-10)

CAS 246538-83-0 (generic)/ 251553-55-6 (generic)/ 97953-22-5 (generic) Updated
86

Safety score · 0–100

Good

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

About

A long-chain (C20-40) alcohol with 10 EO units — a mild, balanced non-ionic emulsifier. The bulky alkyl backbone limits skin penetration, contributing to an excellent safety profile.

Function

SURFACTANT - EMULSIFYING

Skin benefits

  • Mild emulsification
  • Stable O/W emulsions
  • Excellent skin tolerance
  • Solubilises rich oils

Known concerns

  • Trace dioxane caveat
  • No significant concerns at cosmetic concentrations

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.