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Surfactant / Emulsifier

UNDECYLENETH-6

65

Safety score · 0–100

Fine

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

An ethoxylated undecylenic alcohol used as a mild surfactant and emulsifier in cleansers and lotions. Generally well tolerated when refined to control trace ethoxylation byproducts.

Skin benefits

  • Nonionic surfactant and emulsifier from undecylenic alcohol
  • Provides mild cleansing and dispersing properties
  • Compatible with both water and oil phases

Known concerns

  • Ethoxylated ingredients can contain trace 1,4-dioxane
  • Mild irritation potential in eye area at higher levels
  • Avoided by consumers seeking PEG-free or ethoxylate-free products

References

EU

EU CosIng database

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

Related surfactant / emulsifiers

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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.