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Hair dye coupler

N,N-DIETHYL-M-AMINOPHENOL

CAS 91-68-9
40

Safety score · 0–100

Moderate

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

N,N-Diethyl-m-aminophenol is a tertiary aromatic amine used historically as a hair dye coupler. It is subject to EU SCCS hair dye safety review with sensitization potential typical of its chemical class.

Skin benefits

  • Used historically as hair dye coupler
  • Diethyl substitution modifies color development
  • Provides specific shade outcomes in oxidative systems

Known concerns

  • Aromatic amine with sensitization potential
  • Subject to EU SCCS hair dye review
  • Limited public safety data on this specific compound
  • Cross-reactivity with related aminophenols possible

References

EU

EU CosIng database

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

Related hair dye couplers

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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.