The present disclosure relates to a cosmetic agent for dyeing keratinous fibers, more particularly human hair, containing at least one special hydroxy-terminated, amine-functionalized silicone polymer and at least one oxidative dye precursor and/or one partially-oxidative dye, the use of the at least one hydroxy-terminated, amine-functionalized silicone polymer leading to improved nourishment of the keratinous fibers with extremely low color shift at the same time. The present disclosure also relates to a corresponding kit-of-parts, as well as a method for dyeing keratinous fibers. Finally, the present disclosure relates to the use of the cosmetic agent as contemplated herein, as well as the kit-of-parts as contemplated herein.
