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Thickener

PEG-200

CAS 25322-68-3
76

Safety score · 0–100

Fine

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

A high-MW polyethylene glycol used to thicken and solubilize cosmetic formulas. Skin-safe at cosmetic-grade purity; the watchpoint is dioxane impurity control.

Skin benefits

  • High-MW thickening polymer
  • Humectant and skin conditioning
  • Solubilizer for actives
  • Low irritation profile

Known concerns

  • High-purity grade needed to limit 1,4-dioxane traces
  • Primarily a structural ingredient

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.