Colorzap removes all unwanted permanent haircoloring and leaves hair ready for a new shade application. Colorzap is ideal for all color corrections and will allow you to make any desired color changes. Colorzap will not restore hair to its original, natural color. It removes the tint revealing the underlying base from which the natural color has been removed in the haircoloring process. Plan to re-color to a new shade immediately following the removal of the previous tint Read the instructions carefully.