Skip to content

Solvent

PEG/PPG-23/50 COPOLYMER

CAS 9003-11-6 (generic)
76

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 (23 ethylene oxide + 50 propylene oxide units) used as a solvent and emulsifier in skincare. Broadly safe at cosmetic grade; main caveat is residual 1,4-dioxane if poorly purified.

Function

SOLVENT

Skin benefits

  • Solubilises poorly water-soluble ingredients
  • Stabilises emulsions
  • Mild skin feel
  • Compatible with broad pH range

Known concerns

  • Possible trace 1,4-dioxane from ethoxylation if not purified
  • Not recommended on broken skin

References

EU

EU CosIng database

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

Related solvents

Check your shelf

Find PEG/PPG-23/50 COPOLYMER in your products.

Scan any cosmetic product with LuxSense to see if it contains PEG/PPG-23/50 COPOLYMER and get a full ingredient breakdown with safety scores.

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.