Don't trust the model on the box. Sure, the woman smiling on the front of the box looks beautiful, but the color of her hair is a fantasy. "The color always ends up lighter than the model's hair on the packaging," says colorist Dana Ionato of the Sally Hershberger Downtown salon in New York City. "The developer in at_home permanent dyes is very strong stronger that the ones we use in the salon so it lifts the color and makes it lighter than what you see on the box." A better estimate on how the color will end up is the chart on the top of the box, which shows you the final color you get from a range of different hair_color shades.
Use the Best Shampoo on Color_Treated Hair : When you wash color_treated hair, be sure to use a color_protecting shampoo. Using a good shampoo will help your color last longer and help maintain the health of your processed hair. Avoid Sulfates on Color_Treated Hair : Sulfates can strip color from hair, so look for a sulfate_free shampoo. Sulfates contain salt, which strip away moisture, and moisture loss is one of the main causes of color fading. Use Clarifying Shampoos on Color_Treated Hair Only Before Coloring : Clarifying shampoos can strip hair color because contain a high level of detergent in order to deep cleanse and remove build_up of dirt and hairstyling products, so avoid using them unless it’s right before you are going to have your hair colored. If you have gray hair you are covering, look for a clarifying shampoo that removes hairspray resins, silicones and waxes.