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Hair Conditioning

POLYQUATERNIUM-64

Updated
78

Safety score · 0–100

Fine

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

About

A cationic hair-conditioning polymer that binds to negatively charged hair surfaces, reducing static and improving combability. Considered safe at typical use levels; main caveat is cumulative build-up on hair with repeated use.

Function

HAIR CONDITIONING

Skin benefits

  • Strong hair conditioning via cationic substantivity
  • Reduces static and improves combability
  • Stable in shampoo formulations

Known concerns

  • Cationic build-up with leave-on use
  • Not biodegradable
  • Residual monomer levels supplier-dependent

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.