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Hair Dye

HC BLUE NO. 15

CAS 74578-10-2
38

Safety score · 0–100

Caution

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

A blue hair-dye ingredient — restricted in the EU because the SCCS could not confirm a clear safety margin at the maximum allowed 0.2% concentration. Not for leave-on skin contact.

Skin benefits

  • Provides blue hair colour in semi-permanent dyes

Known concerns

  • EU Annex III restricted to 0.2% in finished oxidative hair dyes
  • SCCS opinion (SCCS/1591/17) could not establish safety with full margin at maximum allowed concentration
  • Potential genotoxicity flags in screening assays
  • Not suitable for leave-on skin contact

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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Same plant / compound family

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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.