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Colorant

HYDROXYETHYLAMINOMETHYL-P-AMINOPHENOL HCL

CAS 135043-63-9
35

Safety score · 0–100

Caution

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

An aminophenol-derived oxidative hair dye intermediate. Aminophenols are known skin sensitizers and have raised mutagenicity questions; treat as a cautious red for sensitive scalps.

Function

HAIR DYEING

Skin benefits

  • Oxidative hair dye coupler

Known concerns

  • Aminophenol family — known skin sensitizer
  • Possible mutagenicity flagged for aminophenols
  • Should be used only in rinse-off hair dye and patch-tested
  • Not approved as Annex III hair dye in EU current list

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.