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Polymer humectant

PPG-34

CAS 25322-69-4
78

Safety score · 0–100

Fine

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

A polypropylene glycol grade used as a solvent and humectant in lotions and hair care. Provides good slip and stability, with a long use history and a mild profile in finished cosmetics.

Skin benefits

  • Polypropylene glycol used as solvent and humectant
  • Improves spreadability and skin feel in lotions
  • Stable across a broad pH range
  • Low sensitization rate

Known concerns

  • Synthetic polymer not preferred in clean-beauty positioning
  • Manufacturing impurities such as residual propylene oxide should be controlled
  • Limited consumer-facing transparency on grade

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.