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Surfactant

C9-11 ALKETH-2 (FORMERLY C9-11 PARETH-2)

CAS 68439-46-3 (generic)
65

Safety score · 0–100

Fine

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

A C9-11 alcohol with 2 EO units — among the most lipophilic, irritating grades of fatty alcohol PEG ethers. Restricted to rinse-off cleansers where strong degreasing matters.

Function

SURFACTANT - CLEANSING

Skin benefits

  • Strong cleansing
  • Effective at low %
  • Wetting and degreasing
  • Low-HLB emulsification

Known concerns

  • Higher irritation than longer-chain higher-EO grades
  • Trace dioxane caveat
  • Rinse-off only
  • Eye irritation at high %

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, so always read the physical product label and consult a healthcare professional for personal concerns.