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Solubilizer

PEG-40 METHYL ETHER

70

Safety score · 0–100

Fine

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

A methoxy-PEG-40 polymer used as a non-ionic solubilizer and viscosity modifier. Well tolerated at cosmetic levels; main lever is purified-grade with low 1,4-dioxane residue.

Function

SOLVENT

Skin benefits

  • Solubilizes oils and fragrance in water
  • Reduces formulation viscosity
  • Improves clarity of cosmetic systems

Known concerns

  • PEG-class 1,4-dioxane residue if not purified
  • Ethoxylated chemistry — environmental persistence watch
  • Limited dedicated cosmetic dossier

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.