A nourishing shampoo.Look after your locks with the Davines Oi Shampoo. Harnessing the power of supernourishing roucou oil; is this milkysmooth shampoo ideal for all hair types; that will leave your hair feeling soft; shiny; and full of volume. Vegan Crueltyfree Sulphatefree Parabenfree Suitable for all hair types Manufactured with 100% clean energy Recyclable; carbon neutral; only essential packaging How often should you wash your hair? Our beauty editor answers all your questions here