Shu Uemura Izumi Tonic strengthening Conditioner System 250 mlFor millennia, Japanese women have used rice water to wash their hair this is the ritual of yu su ru, thanks to which Japanese women have beautiful, strong and shiny hair. The Shu Uemura Izumi Tonic conditioner was also inspired by this traditional ritual. The light creamy texture enriched with rice water and proteins nourishes fragile, thinning and brittle hair, strengthens its structure and helps to thicken it. It leaves them hydrated, naturally