Shu Uemura presents the Art of Hair Ashita Supreme serum, a lightweight smoothing formula that seeks to improve manageability and creates a soft, shiny finish. Applied to lengths and ends after shampoo and conditioner or treatment, the hair serum is inspired by the extraordinary properties of the Japanese ashitaba plant. Enhance softness and vibrant shine, tame frizz and give your hair a boost of nourishing moisture with this luxuriant concentrate.