Surfactant
C9-11 ALKETH-6 CARBOXYLIC ACID
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
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
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 CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related surfactants
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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.