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Colorant

HC VIOLET NO. 4

42

Safety score · 0–100

Moderate

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

A semi-permanent HC-class violet hair dye. Lower-risk than oxidative PPD dyes, but the HC family includes secondary amines under SCCS scrutiny, and allergic reactions occur.

Function

COLORANT

Skin benefits

  • Semi-permanent hair color
  • Non-oxidative
  • Vivid violet shades

Known concerns

  • HC class secondary-amine concerns
  • Hair-dye allergy possible
  • No dedicated SCCS opinion identified
  • Avoid skin/eye 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.