This Hydrating Serum from L'Oral Paris combines the power of the Elseve Hyaluron Plump line with a dual Hyaluronic Care Complex. It is expertly formulated to intensely hydrate the hair fiber, providing immediate plumping action and increased volume. Ideal for hair lacking vitality and moisture, this serum effectively locks moisture into the hair structure. Its lightweight, non-greasy formula ensures the hair remains soft, bouncy, and visibly replenished throughout the day without weighing it down.