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Skin Conditioning

POLYQUATERNIUM-51

CAS 125275-25-4
78

Safety score · 0–100

Fine

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

A phospholipid-mimic polymer (Lipidure-PMB) prized for moisture retention and skin compatibility. Considered very gentle in cosmetic use.

Function

FILM FORMINGSKIN CONDITIONING

Skin benefits

  • Phospholipid-like polymer with strong moisture retention
  • Excellent skin compatibility
  • Mimics natural cell membrane lipids

Known concerns

  • Limited long-term ecotoxicity data
  • Synthetic polymer — environmental persistence
  • Higher cost limits broad use

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.