Hair dye coupler
M-AMINOPHENOL HCL
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
m-Aminophenol HCl is the hydrochloride salt of a permitted hair dye coupler producing warm tones. It is restricted in EU cosmetics by concentration and requires patch testing due to sensitization potential.
Skin benefits
- Hydrochloride salt used as oxidative hair dye coupler
- Produces warm brown to reddish shades
- Permitted under EU Annex III with concentration limits
Known concerns
- Documented skin sensitizer
- Restricted maximum on-head concentration in EU
- Cross-reactivity with related aminophenols
- Patch testing recommended before use
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related hair dye couplers
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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.