in-salon repairing hair treatment for all chemically treated hair milk_shake repairing hair treatment has been formulated for all hair that has been chemically treated, or that shows signs of natural damage from environmental stress. It provides deep nourishment, while milk protein and fruit extracts give consistency and structure back to the hair. Softness is increased from the first application, and hair is left with a vital, shiny and healthy look. Integrity 41 helps seal in hair color. Use: Uniformly apply the entire contents of the phial on clean and damp hair, especially on lengths and ends. Leave on 3-5 minutes. For damaged hair: cover the hair with a plastic cap and leave under a heat source for 5-10 minutes. Rinse, then proceed with the desired styling.