Surfactant
C9-11 ALKETH-4
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A short-chain PEG-4 alcohol ethoxylate used to mix oil and water in cleansers and lotions. Effective but can carry trace 1,4-dioxane if not purified.
Function
Skin benefits
- Common low-foam ethoxylated emulsifier
- Effective for solubilizing oils
- Workhorse in cleansers and lotions
Known concerns
- Ethoxylated — possible 1,4-dioxane impurity
- Mild defatting at high concentration
- Environmental persistence concern for ethoxylates
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.