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Surfactant

C9-11 ALKETH-4

CAS 68439-46-3 (generic) Updated
60

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

SURFACTANT - EMULSIFYING

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

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.