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Emulsifier

STEARETH-2

CAS 9005-00-9 (Generic) / 16057-43-5
68

Safety score · 0–100

Fine

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

A short-chain ethoxylated stearyl alcohol — a co-emulsifier in W/O creams. Considered safe; lower-EO PEG ethers can carry slightly higher 1,4-dioxane impurity if unpurified.

Skin benefits

  • Co-emulsifier
  • Skin softness
  • Stable formulations

Known concerns

  • Higher dioxane risk in low-EO grades
  • Mild irritation at high %
  • Penetration enhancement

References

EU

EU CosIng database

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

PC

PubChem

U.S. NIH compound data, GHS hazard codes and toxicity literature.

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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.