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Cationic conditioning polymer (polyquaternium)

POLYQUATERNIUM-14

CAS 27103-90-8
70

Safety score · 0–100

Fine

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

A synthetic cationic polymer used to condition hair and skin. It deposits a thin film during rinse-off, improving softness, reducing static, and helping detangle in shampoos, conditioners, and styling products.

Skin benefits

  • Strong conditioning film on hair
  • Anti-static and detangling
  • Improves wet and dry combability
  • Stable in varied formulations

Known concerns

  • Quaternary polymer can build up on hair
  • Possible mild scalp irritation in sensitive users
  • Not readily biodegradable
  • Environmental persistence concerns

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.