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Solvent

PPG-4 METHYL ETHER

70

Safety score · 0–100

Fine

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

A short-chain PPG methyl ether used as a cosmetic solvent — dissolves ingredients and adjusts viscosity. Generally well-tolerated; the PPG family is safer than ethylene glycol ethers but mild irritation can occur.

Function

SOLVENT

Skin benefits

  • Dissolves cosmetic actives
  • Viscosity control
  • Improves spreadability

Known concerns

  • Possible PPG processing residues
  • Mild irritation at high %

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.