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Hair Dye

P-PHENYLENEDIAMINE GLYCIDYL ETHER

CAS 2839861-12-8
18

Safety score · 0–100

Avoid

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

A para-phenylenediamine derivative bearing a reactive epoxide group, used in oxidative hair dyes. Combines PPD's well-known sensitising profile with the genotoxicity concerns typical of glycidyl ethers — best avoided.

Function

HAIR DYEING

Skin benefits

  • Permanent hair dye intermediate

Known concerns

  • Strong skin sensitiser (PPD-class)
  • Reactive glycidyl ether — genotoxicity concern
  • EU-restricted oxidative hair-dye precursor
  • Cross-reactivity in PPD-allergic individuals

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.