The present invention relates to a process for dyeing keratinous fibers, in particular human hair, such as, in several stages, using in a first stage i) a composition comprising at least 10% by weight of powder may be used and / or of plant (s) indigofère (s) and optionally at least one oil and / or at least a butter, and then, after removal of the composition (i) preferably by rinsing in a second stage ii) at least one heat source is preferably different from the water vapor, is applied to said fibers； and the use of a source (s) of heat in order to improve the coloration may be used and / or carmine. This method has the advantage of the dye keratin fibers, with the results of the colorations that are highly satisfactory. In addition, the method makes it more rapid the dyeing of keratin fibres made from henne et carmine, without waiting for the oxidation dye precursors in the open air.
