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Solvent

PEG/PPG-240/60 COPOLYMER

CAS 9003-11-6 (generic)
78

Safety score · 0–100

Fine

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

A high-molecular-weight PEG/PPG block copolymer (240 EO + 60 PO) used as humectant and viscosity modifier. Excellent hydration with very low skin penetration; well-suited to leave-on cosmetic formulations.

Function

SOLVENT

Skin benefits

  • Excellent humectant properties
  • Strong viscosity modifier
  • Hydration support in leave-on products
  • High molecular weight reduces skin penetration

Known concerns

  • Trace 1,4-dioxane possible at non-pharmaceutical grade
  • Can leave tacky residue in high-use 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.