Hair Conditioning
AMMONIUM HYDROLYZED COLLAGEN
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
An ammonium-neutralized hydrolyzed collagen that conditions hair and skin via amino-acid-rich peptides. Long cosmetic history; mostly safe.
Ammonium hydrolyzed collagen (CAS 222400-34-2 family) is hydrolyzed collagen protein neutralized with ammonium to form a soluble ammonium salt. Hydrolyzed collagen has decades of use as a hair and skin conditioning ingredient; it delivers amino acid-rich peptides that are substantive to hair fibers and skin surface, supporting moisture retention, film formation, and cuticle smoothing. Collagen hydrolysates have a strong safety record in both cosmetics and food-supplement use. Rare allergic reactions are reported. The ingredient is animal-origin (typically bovine or fish), which may matter to vegan formulations. No GHS hazards at cosmetic concentrations.
Function
Skin benefits
- Ammonium salt of hydrolyzed collagen — substantive conditioning on hair and skin
- Film-forming and moisture-retention properties
- Rich in amino acids including glycine, proline, hydroxyproline
Known concerns
- Animal-origin; requires careful sourcing
- Rare allergic reactions to collagen hydrolysates reported
- Ammonium counterion may affect pH in formulation
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related hair conditionings
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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.