Reviving Leave-in Treatment is infused with citric acid to provide additional softness and shine. How to Use: Use as a complete system with Unbreak My Blonde Shampoo and Conditioner. Shampoo hair and follow with Conditioner. Apply reviving Leave-In Treatment and distribute evenly through damp hair. Do not rinse. Style as usual. Leaves hair soft, shiny and stronger. Reinforces weakened bonds. Revives all types of hair & textures from chemical damage. Revives bleached hair.