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Emulsifier

STEARETH-6

CAS 9005-00-9 (Generic) / 2420-29-3
65

Safety score · 0–100

Fine

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

A mid-length PEG stearyl ether used as an emulsifier and solubilizer. Safe on skin; main caveat is trace 1,4-dioxane from processing.

Skin benefits

  • Non-ionic emulsifier and solubilizer
  • Stabilizes creams and lotions
  • Generally low skin irritation

Known concerns

  • PEG ether — possible trace 1,4-dioxane
  • Purified grade matters
  • Less mild than polyglyceryl alternatives

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.