DAVINES OI Shampoo 280 ml & Conditioner 250 ml. Improve the overall health and appearance of your hair with Davines OI Shampoo & Conditioner. Formulated with nourishing ingredients, this duo provides deep hydration and protection, leaving your hair looking vibrant and silky smooth. Say goodbye to dry, damaged hair and hello to healthy, beautiful locks. This milky-smooth hair shampoo is ideal for all hair types. Infused with nourishing Roucou oil is the perfect daily shampoo to maintain soft, shiny and voluminous hair. Featuring antioxidant action and long lasting perfume.