There is another way to lighten dyed hair, known pickling. This, in essence, the same oxidation, but only with a more benign substances and in a shorter time. Pickling discolor the surface of the painted hair, degreasing them opens hair scales and increases the rate of metabolism.
Most traditional means by which lightens the hair dyed - hydrogen peroxide. Coloring pigment due to its influence is destroyed, and then washed out of the hair. This procedure is also very harmful.
The question of how to lighten dyed black hair, it is best to contact the experts and get their advice. To carry out this procedure on their own at home is not recommended. Too great a risk to lose hair when applying the wrong concentration of the components or longer put perederzhivanii time. Therefore, when you change the color of hair should always be mindful of the rules of safe staining.