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Hair Conditioning

PROPYL STEARDIMONIUM CHLORIDE

Updated
65

Safety score · 0–100

Fine

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

About

A hair-conditioning quat that smooths cuticles and cuts static. Common in rinse-off conditioners; safe at typical levels, mildly eye-irritating if you don’t rinse it out.

Function

HAIR CONDITIONING

Skin benefits

  • Conditioning quat for hair softness
  • Reduces static and frizz
  • Helps detangling

Known concerns

  • Mildly irritating to eyes if not rinsed
  • Cationic surfactant — leave-on use limited
  • Aquatic toxicity at higher concentrations

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.