The L’Oréal Paris Elvive Hyaluron + Plump Replumping Leave-In Serum is a hydrating hair essential designed to give dry, dehydrated strands up to 72 hours of moisture. Infused with 2% hyaluronic care complex, it instantly plumps, smooths, and adds lightweight shine without weighing hair down. A must-have viral beauty find on LTK, this leave-in serum leaves your hair looking fuller, healthier, and effortlessly glossy. LTKBeauty