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Hair Conditioning

POLYQUATERNIUM-44

CAS - Updated
72

Safety score · 0–100

Fine

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

About

A cationic film-forming polymer that conditions hair, reduces frizz, and adds slip. Generally well tolerated in shampoos and conditioners.

Skin benefits

  • Hair conditioning film former
  • Reduces frizz and static
  • Compatible with anionic surfactants
  • Smooths cuticle in rinse-off

Known concerns

  • Cationic polymer — possible eye irritation
  • Limited stand-alone safety literature for PQ-44
  • Synthetic polymer — environmental persistence

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.