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Emulsifier

STEARETH-7

CAS 9005-00-9 (Generic) / 66146-84-7
66

Safety score · 0–100

Fine

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

An ethoxylated stearyl alcohol used as a mild emulsifier and surfactant in creams. Generally well tolerated; quality grades matter to keep 1,4-dioxane impurities to a minimum.

Skin benefits

  • Effective nonionic emulsifier and surfactant
  • Stabilizes creams and lotions
  • Compatible with most cosmetic actives
  • Mild on skin

Known concerns

  • Ethoxylated material — 1,4-dioxane impurity risk if not purified
  • Mild skin irritation reported in some users
  • Not biodegradable strictly

References

EU

EU CosIng database

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

Related 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.