Disclosed herein is a process for dyeing keratinous fibers comprising applying to the keratinous fibers at least one oxidation dyeing composition which comprises at least one oxidation base and at least one aromatic coupler substituted in the meta position by two amino groups, at least one of the amino group being primary, and washing the fibers, thus colored, with at least one detergent composition comprising at least one non-ionic surfactant chosen from alkylpolyglycoside surfactants and polyglycerolated surfactants.