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CHITOSAN TRIMONIUM CHLORIDE

CAS 84777-99-1
78

Safety score · 0–100

Fine

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

About

Chitosan Trimonium Chloride is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.

Chitosan Trimonium Chloride is the quaternary ammonium salt of chitosan, produced by reacting chitosan with 3-chloro-2-hydroxypropyltrimethylammonium chloride. This modification imparts water solubility to chitosan while maintaining its film-forming and conditioning properties. It is used as an antistatic and conditioning agent in cosmetic formulations. The ingredient is listed in CosIng. While generally safe, the quaternary ammonium modification introduces a potential for mild skin irritation in sensitized individuals. Concentrations in cosmetics are typically low.

Skin benefits

  • Film-forming conditioning for skin and hair
  • Antistatic properties
  • Moisture-retention support
  • Improves texture and sensory feel

Known concerns

  • Mild irritation potential in sensitive individuals
  • Quaternary ammonium structure warrants concentration control

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.