L’Oréal Professionnel Serie Expert Vitamino Color, 750 ml, Hair Conditioners for Women, The L’Oréal Professionnel Serie Expert conditioner makes your hair easy to detangle and nourishes it, something all healthy, beautiful hair needs. Characteristics: makes hair colour last longer intensifies hair colour protects hair against damage ensures brilliant shine How to use: Apply after first washing with shampoo. Leave to act for a while, then rinse thoroughly.