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Hair conditioning polymer

POLYQUATERNIUM-50

CAS -
72

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, reduce static, and improve combability. Common in shampoos, conditioners, and styling products. Generally well tolerated in rinse-off use.

Skin benefits

  • Conditions hair and reduces static buildup
  • Improves wet and dry combability
  • Helps deposit actives onto hair and skin surface
  • Provides smooth slip in rinse-off formulas

Known concerns

  • Cationic polymer may build up on hair over time
  • Limited publicly available toxicology data
  • Can interact with anionic surfactants reducing performance
  • Not biodegradable in standard water systems

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.