Composition for dyeing human keratin fibres, comprising a particular monocationic monoazo dye

   
   

A dye composition for dyeing human keratin fibers, such as hair, comprising at least one monocationic monoazo dye of formula (I) W.sub.1 --W.sub.2 --N.dbd.N--W.sub.3, a dyeing process using the composition and certain novel compounds of formula (I).

Μια σύνθεση χρωστικών ουσιών για τη βαφή των ανθρώπινων ινών κερατινών, όπως η τρίχα, περιλαμβάνοντας τουλάχιστον μια monocationic monoazo χρωστική ουσία του τύπου (I) W.sub.1 -- W.sub.2 -- N.dbd.N -- W.sub.3, μια διαδικασία βαφής χρησιμοποιώντας τη σύνθεση και ορισμένες νέες ενώσεις του τύπου (I).

 
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