Solvent
PEG/PPG-23/50 COPOLYMER
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
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 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, so always read the physical product label and consult a healthcare professional for personal concerns.