With its hyaluronic acid-infused formula, elseve hydra [hyaluronic] plumping serum deeply hydrates hair without weighing it down, leaving it looking fuller. it helps hair appear more vibrant and lustrous by providing the moisture it needs. suitable for all hair types, this serum caters to every user and maintains the hair's natural balance. by adding volume and fullness to the hair, it offers a healthier and more vibrant appearance. elseve hydra [hyaluronic] plumping serum, with its hyaluronic acid formula, plumps hair with moisture, hydrating it x10 more than without weighing it down.* *instrumental testing