Composition comprising at least one pyrazine derivative and the use thereof for the direct or oxidation dyeing and/or optical bleaching of keratin fibers

摘要

The invention relates to a composition comprising a pyrazine derivative and to methods using said compositions as an optical bleach and/or dye in a direct or oxidation dyeing composition for keratin fibers, such as human keratin fibers, for example, hair. The invention also relates to methods of making said compositions and to a multicompartment device for dyeing and/or optical bleaching containing the claimed composition.