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Solvent

PEG/PPG-4/2 COPOLYMER

CAS 9003-11-6 (generic)
72

Safety score · 0–100

Fine

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

A small PEG/PPG block copolymer (4 EO + 2 PO) used as a solvent in low-MW emulsions. Lower molecular weight raises modest skin-penetration concerns compared to larger copolymers in the same family.

Function

SOLVENT

Skin benefits

  • Small-molecule solvent compatibility
  • Helps blend lipophilic ingredients
  • Compatible with low-molecular-weight emulsions

Known concerns

  • Lower MW may increase skin penetration potential
  • Possible trace 1,4-dioxane from ethoxylation

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.