Humectant
PEG-450
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
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
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 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, so always read the physical product label and consult a healthcare professional for personal concerns.