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Thickener

PEG-23M

CAS 25322-68-3
72

Safety score · 0–100

Fine

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

A high-molecular-weight polyethylene glycol used as a thickener and slip agent. Generally well tolerated; PEGs need purification to limit trace 1,4-dioxane.

Function

BINDINGEMULSION STABILISINGVISCOSITY CONTROLLING

Skin benefits

  • Thickening
  • Smooth slip
  • Compatible with most formulas

Known concerns

  • Possible 1,4-dioxane trace
  • Penetration enhancement on broken skin
  • Purity grade matters

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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Thickener

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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.