Protein quaternary
BENZYLTRIMONIUM HYDROLYZED COLLAGEN
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A quaternized hydrolyzed collagen combining cationic conditioning with protein repair benefits for damaged hair. Used in masks, conditioners, and leave-in treatments to add strength and shine.
Skin benefits
- Combines protein conditioning with cationic substantivity
- Repairs and smooths damaged hair
- Adds shine and reduces breakage
- Film-forming protective layer
Known concerns
- Benzalkonium-type moiety carries irritation potential
- Animal-derived collagen
- Limited safety data for the specific quaternized form
- Possible allergen for sensitive skin
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, so always read the physical product label and consult a healthcare professional for personal concerns.