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Surfactant

C11-15 ALKETH-9 (FORMERLY C11-15 PARETH-9)

83

Safety score · 0–100

Good

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

A C11-15 fatty alcohol with 9 EO units — mild non-ionic emulsifier that keeps lotions and creams stable and well-blended. Sits in the CIR-cleared alkyl-ether family with the standard supplier-side 1,4-dioxane control.

Function

SURFACTANT - EMULSIFYING

Skin benefits

  • Mild O/W emulsifier
  • Stabilizes lotions and creams
  • Compatible with most actives
  • Low irritation profile

Known concerns

  • Trace 1,4-dioxane requires supplier control
  • Mild eye sting in concentrated cleansers

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.