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Protein-modified conditioner

STEARDIMONIUM 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 conditioning ingredient pairing hydrolyzed soy peptides with a stearyl quaternary group, anchoring plant protein to hair for softness, reduced frizz, and improved feel in repair products.

Skin benefits

  • Soy-protein quat conditioner
  • Rich softening for damaged hair
  • Reduces breakage and frizz
  • Plant-derived protein source

Known concerns

  • Soy-allergic users may avoid
  • Eye irritation potential
  • Buildup possible on porous 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.