The Best How To Lighten Hair Color Too Dark Ideas. Web according to celebrity colorist jennifer j, the first thing to do when realizing that your hair came out too dark is to wash it immediately, (via glamour). If it starts to look brassy, use a toner or clarifying shampoo once or twice a week.
Add salt to your hair. Web 1 rinse your hair with hot water. Web yes, you can lighten dyed hair that is too dark by washing the hair with a sulfate shampoo, using a color remover, or using a hair lightener.
