Section, section, section. To avoid patchiness, create a middle part that runs to the back of your head and split the hair into four sections two in front of the ears and two in back. "Always apply the dye from back to front," says colorist Aura Friedman, of the Sally Hershberger Downtown salon in New York City. "That way the dye is sitting on the back of your hair the longest, which is naturally darker than the front anyway."
On the In_Between Days, Use a Color_Safe Dry Shampoo on Color_Treated Hair : To help keep color_treated hair looking fresh, flip your hair over and spray dry shampoo at the roots to soak up oil. After Coloring, Wait 2 Days Before You Shampoo : When you color your hair, wait at least 48 hours to shampoo, preferably longer. If you can go three or four days before shampooing, even better. This will give the color plenty of time to set. When You Don’t Shampoo, Keep Your Hair Dry in the Shower : During those off days, wear a shower cap to keep your color_treated hair from getting wet while showering as this can cause some color to fade. Or, pull your hair up into a loose bun or a ponytail to protect it from getting wet.