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HYDROXYPROPYLTRIMONIUM HYDROLYZED CONCHIOLIN PROTEIN

76

Safety score · 0–100

Fine

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

About

A conchiolin (shell protein) hydrolyzate grafted with quaternary ammonium functionality, designed to condition and strengthen the hair cuticle.

A hydroxypropyltrimmonium derivative of hydrolyzed conchiolin protein from mollusk shells, combining protein replenishment with conditioning. Conchiolin is a chitin/protein composite used in East Asian cosmetics for nail and hair strengthening. No EU Annex restrictions apply.

Skin benefits

  • Strengthens hair cuticle
  • Conditions and smooths fiber surface
  • Adds resilience to brittle hair

Known concerns

  • Mollusk allergy consideration (rare)
  • Generally well tolerated

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

Related others

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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.