Loreal Professional absolut repair cellular shampoo is for damaged hair: The formula with lactic acid, cleanses damaged hair and leaves hair feeling stronger, more supple and looking shiny as if transformed. Directions for use: Spread L'Oréal Professionnel Serie Expert Absolut Repair Cellular Repairing Shampoo for Very Damaged Hair evenly over damp hair and lather and rinse. . . .