Colorant
HC VIOLET NO. 1
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A semi-permanent violet hair dye in the HC (direct dye) class. Safer than oxidative PPD-type dyes but still a known allergen — EU caps the use level and warns to patch-test.
Function
Skin benefits
- Semi-permanent violet hair color
- Direct dye — no oxidation needed
- Less reactive than oxidative dyes
Known concerns
- Possible skin sensitization
- Eye irritation
- SCCS-restricted maximum concentrations
- Hair-dye allergen class
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related colorants
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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.