Intensely re-hydrate your skin’s surface and lock in moisture for dewy-looking skin with the L’Oreal Paris Hyaluron Expert Serum. This formula is the most potent and hydrating formula and includes the highest concentration of pure Hyaluronic Acid. This serum is quickly absorbed to deliver intense moisture that leaves the skin with a fully hydrated and dewy glow. Within 1 week, skin is visibly plumped and feels firmer and more elastic. The youthful, bouncy feel will return and your skin will be visibly refreshed and glowing. Overtime, fine lines and wrinkles will be visibly reduced.