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Emulsifier

STEARETH-25

CAS 9005-00-9 (Generic)
58

Safety score · 0–100

Moderate

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

A PEG-25 stearyl ether emulsifier. Effective and broadly used; main flag is PEG-class trace 1,4-dioxane impurities.

Function

CLEANSINGSURFACTANT - EMULSIFYINGSURFACTANT - CLEANSING

Skin benefits

  • Non-ionic surfactant and emulsifier
  • Solubilizer

Known concerns

  • PEG-class trace 1,4-dioxane and ethylene oxide impurities
  • Penetration enhancer
  • Avoid on broken skin

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.