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Colorant

3-METHYLAMINO-4-NITROPHENOXYETHANOL

CAS 59820-63-2
35

Safety score · 0–100

Caution

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

A nitro-aromatic semi-permanent hair dye. Gives red/violet tones without an oxidizer. Common sensitizer in the hair-dye class — needs patch testing and strict nitrosamine controls.

Function

HAIR DYEING

Skin benefits

  • Semi-permanent hair dye color
  • Provides red/violet shade
  • Direct dye, no oxidizer needed

Known concerns

  • Aromatic nitro compound — sensitization risk
  • Patch test required by labeling
  • Strict EU nitrosamine purity limit (50 µg/kg)
  • H302 harmful if swallowed

References

EU

EU CosIng database

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

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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.