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Thickener

PEG-160M

CAS 25322-68-3 Updated
70

Safety score · 0–100

Fine

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

About

An ultra-high-molecular-weight PEG used to thicken shampoos and gels. Practically non-absorbed through skin; safety hinges on adequate purification to control ethylene-oxide-derived impurities.

Skin benefits

  • Thickener providing rich, slippery feel
  • Stable, non-ionic, non-irritating
  • Useful for shampoo and gel viscosity

Known concerns

  • 1,4-dioxane traces possible without purification
  • Sparse data on ultra-high MW grades

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 — always read the physical product label and consult a healthcare professional for personal concerns.