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Protein-modified conditioner

HYDROXYPROPYLTRIMONIUM HYDROLYZED WHEY

CAS -
71

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 whey peptides with a trimonium cationic group to bond protein onto hair, giving a fortified feel and improved smoothness in protein-care conditioners.

Skin benefits

  • Conditioning with whey-derived peptides
  • Strengthening feel on hair
  • Mild and substantive on cuticles
  • Suitable for protein-treatment conditioners

Known concerns

  • Dairy-derived (not vegan, possible dairy concerns)
  • Eye irritation potential
  • Protein buildup on porous 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.