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Surfactant

C9-11 ALKETH-6 CARBOXYLIC ACID

73

Safety score · 0–100

Fine

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

An ether-carboxylate surfactant from C9-11 alcohols with 6-mol ethoxylation. Mild cleansing in the AEC family; shorter alkyl chain than C12-15 versions can cause slightly more skin defatting.

Function

SURFACTANT - CLEANSING

Skin benefits

  • Mild ether-carboxylate surfactant
  • Effective at low use levels
  • Lower irritation than alkyl sulfates

Known concerns

  • Trace 1,4-dioxane risk from ethoxylation unless purified
  • Shorter alkyl chain may cause modest defatting

References

EU

EU CosIng database

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

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Same plant / compound family

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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.