Other
HYDROXYPROPYLTRIMONIUM HYDROLYZED CONCHIOLIN PROTEIN
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 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 — always read the physical product label and consult a healthcare professional for personal concerns.