Shu Uemura Izumi Tonic Strengthening Mask

details this strengthening hair mask deeply nourishes, repairs, and thickens fragile hair. formulated with rice water to strengthen and repair, izumi tonic mask leaves hair 30x stronger* and reduces split ends by up to 91%*. it features a rich formula to deeply hydrate and thicken hair, restoring key nutrients and repairing damage from brushing. use 1-2 times per week in place of conditioner to intensely nourish and strengthen hair.inspired by a japanese haircare tradition, the izumi tonic range is formulated with rice water, known to restore damage, prevent future breakage, and reveal healthier & smoother hair. we source our rice water from hyogo, japan in an eco-friendly manner. benefits increases hair diameter leaves hair 30x stronger* thickens hair reduces split ends up to 91%* softens & smooths adds shine