Blank Canvas is a powder that when mixed with developer removes semi-permanent and direct dye color. Mix one part Blank Canvas powder with 3 parts 6, 10 or 20 volume developer. Immediately apply, only to areas where you want to remove old semi-permanent/direct dye color. Process up to 30 minutes. Thoroughly rinse out and shampoo hair. Hair can be recolored immediately thereafter. Blank Canvas contains Quinoa, Argan Oils, Aloe Vera, and Sorbitol which aid in the nourishment/moisture retention during the color removal process and assist in the strength and luster of the hair fibers.