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Solvent

PEG/PPG-35/9 COPOLYMER

CAS 9003-11-6 (generic)
77

Safety score · 0–100

Fine

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

A high-EO PEG/PPG block copolymer (35 EO + 9 PO) used as a hydrophilic solubiliser and mild emulsifier. Strong cosmetic safety record at purified grade with minor concerns about residual processing impurities.

Function

SOLVENT

Skin benefits

  • Hydrophilic solubiliser for surfactant systems
  • Mild emulsifier
  • Improves rinse-off feel
  • Good skin compatibility

Known concerns

  • Trace 1,4-dioxane possible from PEG synthesis
  • Avoid on damaged or 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.