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Solubilizer / Surfactant

PEG/PPG-30/33 COPOLYMER

CAS 9003-11-6 (generic)
70

Safety score · 0–100

Fine

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

A polyether copolymer of ethylene and propylene oxide used as a solvent, emulsifier, or skin-feel modifier. Considered safe in finished cosmetics when impurity limits for 1,4-dioxane are controlled.

Function

SOLVENT

Skin benefits

  • Acts as solubilizer, emulsifier or skin conditioning agent
  • Improves spreadability and texture of formulations
  • Generally well tolerated at typical cosmetic levels

Known concerns

  • PEG/PPG copolymers can carry trace 1,4-dioxane and ethylene oxide impurities
  • Possible enhanced penetration of other ingredients
  • Not preferred by consumers seeking PEG-free formulas

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.