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Thickener

PEG-150 STEARATE

CAS 9004-99-3
72

Safety score · 0–100

Fine

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

A high-EO PEG-stearate used to thicken shampoos and shower gels. Decades of safe use in surfactant systems; usual PEG-class flag is residual ethylene oxide and 1,4-dioxane needing purification.

Skin benefits

  • Thickener for surfactant systems
  • Mild non-ionic emulsifier
  • Improves cleanser viscosity and feel

Known concerns

  • Possible 1,4-dioxane traces in raw material
  • Low irritation but rare sensitization

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.