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Hair Conditioning

POLYQUATERNIUM-43

CAS - Updated
68

Safety score · 0–100

Fine

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

About

A cationic conditioning polymer used in shampoos and conditioners to smooth hair and reduce static. CIR-reviewed safe; common to the polyquaternium family.

Skin benefits

  • Cationic conditioning polymer for hair
  • Reduces static and improves combability
  • Forms a flexible film

Known concerns

  • Can build up with repeat use
  • Cationic surfactants may mildly irritate eyes

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.