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Solvent

PEG/PPG-5/30 COPOLYMER

CAS 9003-11-6 (generic) Updated
75

Safety score · 0–100

Fine

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

About

A PO-heavy PEG/PPG block copolymer (5 EO + 30 PO) used as a solvent for oil-soluble cosmetic ingredients. The high PO content favours skin feel; safety class is well-characterised at purified cosmetic grade.

Function

SOLVENT

Skin benefits

  • Lipophilic-biased solvent for oil-soluble ingredients
  • Mild emulsifying support
  • Reduces formulation tackiness
  • Good skin feel in emulsions

Known concerns

  • Trace 1,4-dioxane possible at non-pharmaceutical grade
  • Limited skin penetration data for higher-PO blocks

References

EU

EU CosIng database

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

Related solvents

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.