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Humectant

PEG/PPG-300/55 COPOLYMER

CAS 9003-11-6 (generic) Updated
70

Safety score · 0–100

Fine

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

About

A water-soluble PEG/PPG copolymer used as a humectant and skin-conditioning carrier. Inert at typical levels; main caveat is PEG residual 1,4-dioxane purity.

Function

CLEANSING

Skin benefits

  • Humectant and conditioning polymer
  • Carrier and viscosity aid
  • Water-soluble film former

Known concerns

  • PEG portion can carry trace 1,4-dioxane unless purified
  • High-MW polymer with limited skin penetration
  • Not readily biodegradable

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 — always read the physical product label and consult a healthcare professional for personal concerns.