L’Oral Professionnel Serie Expert Absolut Repair Duo Set offers instant restructuring for damaged hair with a nourishing formula enriched with Gold Quinoa and Protein, ensuring that badly damaged hair receives the essential nourishment it needs for renewal. Application: Step 1: Apply the shampoo to wet hair and lather.Step 2: Rinse thoroughly and follow with the repair mask.Step 3: Leave the mask on for a few minutes, then rinse well.