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 & InStyle Magazine's 2017 Best Beauty Buys Award for Shampoo for Normal Hair.
Roucou Oil. An oil from the fruit of the Amazonian "lipstick tree" — aka, the Achiote — Roucou Oil is full of beta-carotene & antioxidants. It strengthens hair and protects against the effects of aging and environmental damage.