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Hair Conditioning

POLYQUATERNIUM-111

CAS 67990-40-3 Updated
68

Safety score · 0–100

Fine

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

About

A polymeric hair conditioner — its positive charge sticks to damaged, negatively charged hair to smooth and reduce static. Generally well tolerated; modest eye-irritation risk in leave-on use.

Function

ANTISTATICHAIR CONDITIONING

Skin benefits

  • Reduces static and frizz
  • Improves combability
  • Forms conditioning film
  • Surfactant-compatible

Known concerns

  • Possible buildup with cationic accumulation
  • Mild eye irritation in leave-on
  • Less safety data than PQ-7/10

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.