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PEG ester emulsifier

PEG-36 STEARATE

CAS 9004-99-3
64

Safety score · 0–100

Fine

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

Polyethylene glycol ester of stearic acid used as emulsifier and solubilizer. Generally safe at use levels but shares typical PEG-class concerns over residual impurities and skin penetration enhancement.

Skin benefits

  • Effective non-ionic emulsifier for oil-in-water systems
  • Improves product stability and texture
  • Generally low irritation potential at use concentrations

Known concerns

  • Potential 1,4-dioxane and ethylene oxide impurities from manufacturing
  • PEG penetration enhancer effect on damaged skin
  • Environmental persistence of PEG residues

References

EU

EU CosIng database

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

Related peg ester 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.