Shu Uemura hair styling products. ESSENCE ABSOLUE Nourishing Protective Oil. Inspired in one of the best kept beauty secrets by the geishas, this oil nourishes and repairs normal to dry hair. It can be used before shampooing, by applying a generous amount from means to ends and leave in for a few hours to achieve deep hydration, nutrition and reparation. It can also be used as serum after washing the hair and apply a few drops on the ends, right before drying the hair.