For all hair types. Milky-smooth OI Shampoo infused with nourishing Roucou Oil is the perfect daily shampoo to maintain soft, shiny and voluminous hair.
Winner of Refinery 29's 2015 Beauty Innovator Awards for Go-To Shampoo.
Hair is shiny, soft, fragrant and voluminous thanks to key ingredient Roucou oil. Roucou oil is full of beta-carotene & antioxidants; it strengthens hair and protects against the effects of aging and environmental damage.