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Oxidative hair dye intermediate

2,4-DIAMINO-5-METHYLPHENOXYETHANOL HCL

CAS 113715-27-8
38

Safety score · 0–100

Caution

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

A diamine hair dye coupler restricted under EU cosmetics rules due to skin sensitization and contact allergy risk, with mandatory warnings and concentration limits on packaging.

Skin benefits

  • Produces color in oxidative hair dyes
  • Provides shade range in permanent hair colorants

Known concerns

  • Phenylenediamine class with sensitization potential
  • Strict SCCS concentration limits in hair dyes
  • Risk of severe allergic contact dermatitis
  • Prohibited for use in eyelash and eyebrow products
  • Not for use on persons under 16 in some markets

References

EU

EU CosIng database

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

Same plant / compound family

35
2,4-DIAMINO-5-METHYLPHENETOLE HCL
Other
 32
2,4-DIAMINO-5-METHYLPHENOXYETHANOL
Hair Dye

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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.