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Hair Conditioning

OLEALKONIUM CHLORIDE

CAS 37139-99-4 Updated
58

Safety score · 0–100

Moderate

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

About

A cationic alkonium-class surfactant with mild antimicrobial action. Effective in low concentrations but can irritate eyes and sensitize skin if overused.

Skin benefits

  • Cationic surfactant and antimicrobial
  • Conditioning effect on hair
  • Provides preservation support

Known concerns

  • Quaternary ammonium eye and skin irritation
  • Can be sensitizing at higher concentrations
  • Aquatic toxicity concerns for rinse-off

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.