Disclosed are certain oxazine disulfide dyes useful for the dyeing of organic materials, such as keratin fibers, preferably human hair. the dyes are for instance of the formulae ##STR00001##

 
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< Cosmetic compositions having in-situ hydrosilylation cross-linking

< Dyeing of human keratin materials by dry thermal transfer of a direct dye, composition comprising the said dye and its method of preparation

> Polymeric hair dyes

> Process for colouring and permanent shaping keratin fibres
~ 00615