L'Oreal Paris presents Hyaluron Expert Replumping Serum formulated with 1.5% Hyaluronic Acid that will instantly hydrate and smooth 60% of fine lines in 4 weeks. The highest concentration of Hyaluronic Acid ever in a serum will plump and hydrate your skin from within. L'Oreal Paris Hyaluronic Acid Expert Serum 1.5% Instantly hydrates and nourishes the skin in just one week, while reducing the appearance of wrinkles. This serum is paraben-free and non-comedogenic.