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Polypropylene glycol

PPG-17

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.

PPG-17 is a polypropylene glycol used as a solvent, humectant and texture agent. It is generally well tolerated and widely used in skincare, with the usual PPG class purity considerations.

Skin benefits

  • Solvent and humectant in personal care
  • Improves texture and slip in formulations
  • Compatible with a broad range of actives

Known concerns

  • Polypropylene glycols may carry trace impurities from synthesis
  • Less hydrating than lower-PPG variants
  • Penetration enhancer effect

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.