The Davines OI All In One Milk is a luxurious hair treatment that combines the benefits of a serum and oil in one convenient liquid formula. With a generous 50ml size, this travel-friendly product is perfect for women of all hair types looking to nourish and protect their locks. Infused with Roucou Oil, this multi-benefit beauty treatment from the trusted brand Davines will leave your hair looking healthy, shiny, and beautifully cared for.