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PEG emulsifier

PEG-12 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.

PEG-12 Stearate is a polyethylene glycol stearic acid ester used as a nonionic emulsifier and solubilizer in cosmetic creams, lotions, and cleansers. It improves texture and stability of oil-water systems.

Skin benefits

  • Widely used nonionic emulsifier and surfactant
  • Improves texture and spreadability in creams and lotions
  • CIR-reviewed PEG stearate family considered safe as used

Known concerns

  • Polyethylene glycol-based ingredient with potential 1,4-dioxane trace contamination if not purified
  • Penetration enhancer effect on damaged skin
  • Not preferred by clean-beauty formulations

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.