You must condition when you're done. "If you skip the conditioner step, it leaves the cuticle open and the color keeps working," says Ionato. "So don't be surprised if you end up with much darker hair than you wanted." Don't throw away the conditioner in the kit, and if you do, make sure to use a deep conditioner in the shower after you rinse out the dye.
At_Home Treatment Tips for Your Color_Treated Hair : When coloring your hair, again, the first step is to ask your salon professional for alow_ or no_ammonia hair color formulated with pre_softening technology. This is particularly important for long_lasting gray coverage. Once your color is in place, there are steps you can take to ensure beautiful color and optimum hair health. In addition to using shampoo and conditioner formulated for colored hair, you can protect your tresses by using at_home treatments.