The L'Oreal Paris Revitalift Derm Intensives 1.5% Pure Hyaluronic Acid Serum is a popular choice for those looking to incorporate hyaluronic acid into their skincare routine. This serum is formulated with a high concentration of hyaluronic acid, which helps to hydrate and plump the skin. It also helps to reduce the appearance of fine lines and wrinkles, leaving the skin looking smoother and more youthful. Users have praised this serum for its lightweight and non-greasy formula, as well as its noticeable results in improving skin hydration and texture.