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Solvent

PEG/PPG-18/4 COPOLYMER

CAS 9003-11-6 (generic)
75

Safety score · 0–100

Fine

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

A PEG/PPG block copolymer used as a solvent in water-based cosmetics. The low ethylene-oxide ratio reduces dioxane risk, giving a comfortably benign cosmetic profile.

Function

SOLVENT

Skin benefits

  • Mild solvent
  • Solubiliser
  • Emulsion stabiliser

Known concerns

  • 1,4-dioxane trace control needed
  • Standard PEG-class caveat

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.