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Surfactant

PEG-80 STEARATE

CAS 9004-99-3
70

Safety score · 0–100

Fine

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

Polyethylene glycol (80 EO) ester of stearic acid. A workhorse mild emulsifier and solubiliser in shampoos and creams; safety hinges on supplier stripping residual 1,4-dioxane and ethylene oxide.

Function

CLEANSINGSURFACTANT - CLEANSING

Skin benefits

  • Strong yet mild O/W emulsifier
  • Reduces eye sting in baby shampoos
  • Solubilises oils in clear formulations

Known concerns

  • Trace 1,4-dioxane possible if not vacuum-stripped
  • Ethoxylation impurities subject to EU/Cal-Prop65 limits
  • Avoid on broken or compromised 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.