The evo Fabuloso Colour Boosting Treatment is a 3-minute home care treatment that refreshes color between hairdressing visits to keep your hair vibrant and healthy for longer. The color boosting treatment provides an instant color boost and nourishes your hair. Recommended for dark blonde to medium brown hair.Application: Wash hair & towel dry. Wear gloves and distribute desired amount, depending on hair length, with comb or fingers and wait 3 minutes. Then rinse until the water runs clear. Use weekly.