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Hair Dye

2,4-DIAMINO-5-METHYLPHENOXYETHANOL

CAS 141614-05-3
32

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 coupler in oxidative hair dye. Aromatic-amine class is a documented contact sensitizer; SCCS-reviewed with strict concentration limits.

Function

HAIR DYEING

Skin benefits

  • Hair color precursor (oxidative dye coupler)
  • Provides specific blue-violet hair shades

Known concerns

  • Aromatic amine class with sensitization risk
  • SCCS reviewed with concentration limits
  • Patch testing strongly advised
  • Restricted to professional/rinse-off hair products

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.