首页>
外国专利>
Dyeing composition for lightening keratin fibers composition of lightening dye ready to use process for dyeing of keratin fibers, and in multicompartimentos devices useA composition for lightening dyeing.
Dyeing composition for lightening keratin fibers composition of lightening dye ready to use process for dyeing of keratin fibers, and in multicompartimentos devices useA composition for lightening dyeing.
A method for dyeing keratin fibers such as human hair by applying to the fibers a dye composition, in particular a lightening dye composition, containing, in a medium which is suitable for dyeing, at least one direct dye to be mixed at the time of use, at basic pH, with an oxidizing agent, wherein the dye composition a has a basic pH and contains, as direct dye, at least one dye containing an optionally delocalizable quaternized nitrogen atom and a -Z=N- bond in which Z denotes a nitrogen atom or a -CH- radical. The invention is also directed to a ready-to-use composition and a multi-compartment dyeing device for dyeing keratin fibers.
展开▼