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Solvent

PEG-7 METHYL ETHER

CAS 9004-74-4 Updated
78

Safety score · 0–100

Fine

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

About

A small PEG-based solvent and humectant — methyl-capped polyethylene glycol that dissolves ingredients and softens the skin feel. Low molecular weight gives it more penetration than larger PEGs.

Function

SOLVENT

Skin benefits

  • Effective humectant and solubilizer
  • Mild on skin
  • Improves product texture

Known concerns

  • PEG class — supplier must control 1,4-dioxane
  • Low molecular weight increases penetration potential

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

Related solvents

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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.