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Humectant

PEG-9

CAS 25322-68-3
72

Safety score · 0–100

Fine

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

PEG-9 — a low-molecular-weight polyethylene glycol used as a humectant and solvent. Considered safe at use levels; raw-material purity is the key dioxane lever.

Skin benefits

  • Humectant and solvent
  • Improves spreadability
  • Compatible with most actives

Known concerns

  • Trace 1,4-dioxane risk depending on grade
  • Not for broken skin per CIR

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.