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Surfactant

C11-15 ALKETH-9

Updated
66

Safety score · 0–100

Fine

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

About

An ethoxylated fatty alcohol surfactant (PEG-9 ether of C11-15 alcohol). Workhorse mild emulsifier; class-safe with the usual 1,4-dioxane caveat.

Function

SURFACTANT - EMULSIFYING

Skin benefits

  • Mild surfactant
  • Emulsifier
  • Wetting agent

Known concerns

  • Trace 1,4-dioxane
  • Mild eye irritation
  • Synthetic

References

EU

EU CosIng database

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

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Check your shelf

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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.