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Ethoxylated Surfactant

OLETH-11

CAS 9004-98-2
65

Safety score · 0–100

Fine

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

Oleth-11 is an ethoxylated oleyl alcohol used as a nonionic emulsifier in cosmetics. Generally well-tolerated but the ethoxylation process can leave trace 1,4-dioxane requiring controlled purification.

Skin benefits

  • Effective nonionic emulsifier
  • Solubilizes oils in formulation
  • Widely used and accepted

Known concerns

  • Possible 1,4-dioxane contamination from ethoxylation
  • PEG-class ingredient under environmental scrutiny
  • Mild irritation potential in rinse-off products

References

EU

EU CosIng database

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

Related ethoxylated surfactants

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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.