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Polymeric hair conditioner

CHITOSAN HYDROXYPROPYLTRIMONIUM CHLORIDE

78

Safety score · 0–100

Fine

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

A cationic chitosan polymer that forms a light, breathable film on hair to lock in moisture, smooth flyaways, and protect against damage. Derived from crustacean shells and biodegradable in the environment.

Skin benefits

  • Film-forming conditioner derived from chitosan
  • Improves wet and dry combability
  • Moisture retention on hair and skin
  • Biodegradable backbone from shellfish chitin

Known concerns

  • Shellfish-derived, theoretical allergen for sensitive users
  • Mild eye irritation in concentrated form
  • Limited human safety data outside hair use

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.