Viviscal Pro Hair Thickening Elixir is a lightweight leave-in treatment developed to give fine, thinning and fragile hair a thicker, fuller-looking appearance. The non-greasy formula adds instant volume and body while improving the feel and manageability of the hair without weighing it down. It is designed to strengthen weakened hair fibers, reduce breakage and support a smoother, healthier-looking finish. The serum can be applied to damp or dry hair and works well as part of a daily styling routine. Suitable for all hair types, it leaves the hair feeling soft, lightweight and visibly fuller.