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Solvent

PEG-40

CAS 25322-68-3
62

Safety score · 0–100

Fine

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

A polyethylene glycol used as a solubilizer and humectant. CIR-reviewed safe; the main caveat is the need for purification to keep 1,4-dioxane trace impurity low.

Function

HUMECTANTSOLVENT

Skin benefits

  • Solubilizer for fragrances and oils
  • Surfactant assist
  • Humectant character
  • Compatible with many actives

Known concerns

  • Possible 1,4-dioxane trace impurity if not purified
  • Penetration enhancer effect on broken skin

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.