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solvent

PPG-23-PEG-4 TRIMETHYLOLPROPANE

CAS -
68

Safety score · 0–100

Fine

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

PPG-23-PEG-4 Trimethylolpropane is a polyether solvent and viscosity modifier. Generally safe in finished cosmetics, though PEG/PPG materials require control of 1,4-dioxane impurities from manufacturing.

Skin benefits

  • Functions as solvent and viscosity controller in formulations
  • Improves slip and spreadability in skin care
  • Compatible with both water and oil phases
  • Stable in typical cosmetic pH ranges

Known concerns

  • PEG/PPG ingredients may contain trace 1,4-dioxane impurities
  • Manufacturing residues should be controlled per CIR guidance
  • Penetration enhancer effect may increase exposure to other ingredients

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.