The Elvive Hydra Hyaluronic Acid Mask by L'Oréal Paris is a refreshing formula that offers up to 72 hours of weightless moisture.Ideal for dry hair, the rich mask harnesses the hydrating properties of hyaluronic acid, helping to quench the hair’s thirst and encourage a glossy, silky-smooth look. Complete the routine with the Moisture Plump Serum.