Colorant
HC RED NO. 20
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A semi-permanent red hair colorant from the HC dye family. Less reactive than oxidative dyes but still a sensitizer for some users. Use is regulated in the EU.
Function
Skin benefits
- Provides red shade in semi-permanent hair color
- Direct dye, no oxidation needed
- Lower allergy risk than PPD-type dyes
Known concerns
- Hair-dye class sensitization risk
- Limited public toxicology
- SCCS opinion-dependent restrictions for HC dyes
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.