FERRIC AMMONIUM CITRATE
Other
Good
CAS Number: 1185-57-5
About FERRIC AMMONIUM CITRATE
An iron(III) ammonium citrate complex used for hair dyeing, with minor regulatory attention but generally regarded as safe for cosmetic use at appropriate concentrations.
Detailed Analysis
Ferric ammonium citrate (CAS 1185-57-5) is an iron(III) complex with citric acid and ammonium ions, used as a hair dye intermediate. No EU Annex III restrictions specifically apply. However, as an iron-based compound, it may contribute to free radical generation under certain conditions. Generally regarded as safe in cosmetic formulations at normal use concentrations.
What It Does
Skin Benefits
- ✓ Hair dyeing via iron-catalyzed oxidation reactions
Known Concerns
- ⚠ Minor iron-mediated oxidative potential
- ⚠ Theoretical pro-oxidant effect in UV-exposed skin
Safety Score
Good
Based on EU regulatory data, published safety research, and ingredient function analysis.
References
EU CosIng Database
European Commission cosmetic ingredient registry
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