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PEG ether emulsifier

CETETH-5

CAS 9004-95-9 / 4478-97-1
67

Safety score · 0–100

Fine

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

Ceteth-5 is a PEG ether of cetyl alcohol used as a mild nonionic emulsifier in creams, lotions, and hair products. CIR considers it safe in current cosmetic practice when purified.

Skin benefits

  • Nonionic emulsifier and surfactant
  • Compatible with skin and hair formulas
  • Stabilizes emulsions

Known concerns

  • Potential 1,4-dioxane impurity from ethoxylation
  • Avoid on damaged skin
  • Mild irritation at higher concentrations

References

EU

EU CosIng database

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

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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.