Best-selling and award-winning OI All in One Milk acts as both a daily routine and styling agent. Formulated with Roucou oil, OI products provide extraordinary shine and softness to any type of hair. Featuring a rich fragrance, with multiple benefits for your hair and skin, OI is made with antioxidant Roucou oil to protect hair against the effects of aging and environmental damage. Rich in beta carotene (which has a restructuring effect on the hair), Roucou oil reduces cellul