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Hair Dye

3,4-Diaminobenzoic acid, when used as a substance in hair dye products

CAS 619-05-6
30

Safety score · 0–100

Caution

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

An aromatic diamine used as a primary intermediate in oxidative hair dyes. Strong sensitizer with strict EU Annex III restrictions — meaningful concern for repeat exposure and reactive scalps.

Skin benefits

  • Provides desired oxidative hair-dye color
  • Functional intermediate for shade range

Known concerns

  • Aromatic diamine — strong skin sensitizer
  • EU Annex III restricted with strict use limits
  • Potential genotoxicity flagged in older literature

References

EU

EU CosIng database

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

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RESORCINOL
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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.