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Composition for the oxidation dyeing of keratin fibres, comprising at least one 4,5-or 3,4-diaminopyrazole or a triaminopyrazole and at least one selected carbonyl compound, and dyeing process

  • US 20080141468A1
  • Filed: 10/23/2007
  • Published: 06/19/2008
  • Est. Priority Date: 12/22/2000
  • Status: Active Grant
First Claim
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1. A composition for the oxidation dyeing of human keratin fibers, and in particular of human keratin fibers such as the hair, comprising:

  • a medium that is suitable for dyeingat least one oxidation base comprising 4,5-diamino 1-hydroxyethyl pyrazole or the addition salts thereof with an acid,at least one carbonyl compound selected from the group consisting of polyimides and compounds of formulae (I), (II) and (III)

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