La Roche-Posay Hyalu B5 Serum (30ml) is an ultra-hydrating anti-aging serum designed to replenish and repair the skin's moisture barrier. Formulated with two types of pure hyaluronic acid, vitamin B5, and madecassoside, it deeply hydrates, visibly plumps, and helps reduce the appearance of fine lines and wrinkles. Suitable for all skin types, including sensitive skin, this fragrance-free serum leaves the skin feeling supple and revitalized.