TRESemmé Biotin + Repair 7, 400 ml, Hair Conditioners for Women, The TRESemmé Biotin + Repair 7 conditioner makes your hair easy to detangle and nourishes it, something all healthy, beautiful hair needs. Characteristics: repairs both mechanical and chemical damage seals the hair’s surface, making it more resilient makes untangling and styling easier How to use: Apply after first washing with shampoo. Leave to act for a while, then rinse thoroughly.