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Humectant

PEG-450

CAS 25322-68-3 Updated
70

Safety score · 0–100

Fine

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

About

A high-molecular-weight polyethylene glycol used as a humectant and solvent. Recognized as safe by CIR; main caveat is trace 1,4-dioxane in unpurified PEG grades.

Function

BINDINGEMULSION STABILISINGSOLVENT

Skin benefits

  • Hydrating humectant
  • Solvent for actives
  • Smooth skin feel

Known concerns

  • Possible 1,4-dioxane trace impurity
  • Enhanced penetration on broken skin

References

EU

EU CosIng database

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

Related humectants

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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.