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Cationic conditioning agent

SOYTRIMONIUM CHLORIDE

CAS 61790-41-8
72

Safety score · 0–100

Fine

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

Soytrimonium chloride is a quaternary ammonium conditioner made from soy fatty acids. It coats hair to reduce static and roughness and is generally well tolerated in rinse-off conditioners and detangling sprays.

Function

ANTISTATIC, SURFACTANT - EMULSIFYING, HAIR CONDITIONING, PRESERVATIVE, SURFACTANT - CLEANSING

Skin benefits

  • Plant-derived cationic conditioner from soy fatty acids
  • Smooths and softens hair with antistatic effect
  • Improves manageability and shine in rinse-off products
  • Renewable-feedstock alternative to tallow quats

Known concerns

  • Concentrated trimonium quats can irritate eyes and skin
  • Trace amine impurities possible depending on supplier
  • Aquatic toxicity for cationic surfactants of this class
  • Buildup on hair if overused

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.