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Hair conditioning agent

LAURDIMONIUM HYDROXYPROPYL HYDROLYZED SOY PROTEIN

72

Safety score · 0–100

Fine

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

A protein-modified quaternary conditioner that bonds soy peptides to hair via a cationic group, smoothing the cuticle, reducing static, and giving softer feel without heavy buildup at typical use levels.

Skin benefits

  • Conditions hair via substantive cationic anchoring
  • Reduces static and improves combability
  • Hydrolyzed soy fragments add moisture binding
  • Mild compared to small-molecule quats

Known concerns

  • Potential eye irritation in leave-on at higher levels
  • Soy-derived protein may concern soy-allergic users
  • Quat residue can accumulate on hair

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.