La Roche-Posay Hyalu B5 Serum is a one-of-a-kind serum. With two different-sized molecules of Hyaluronic Acid, it can not only deeply hydrate the skin but also plump it up. The larger molecules act on the surface of the skin and help hydrate and plump, while the smaller molecules penetrate deeper and enhance skin volume. Due to the presence of Madecassoside, it also helps stimulate collagen production, and improve skin elasticity and firmness. And, thanks to the action of Vitamin B5, it also promotes a healthier skin barrier, comforting and soothing the skin. All in all, it is an antiaging booster that suits all skin types, including sensitive skin. After 28 days of use, 87% of the users declared they had more elastic and even skin and 71% agreed their wrinkles looked reduced.Texture: water-gel;Skin issues: dehydration, fine lines and wrinkles, loss of elasticity and firmness;Time of application: morning and evening;Age: 20+;Skin type: all skin types, including sensitive skin;Main benefits: deeply moisturizes the skin providing long-lasting hydration, plums the skin filling fine lines and wrinkles, improves elasticity and firmness, has a fresh light texture non-oily, non-comedogenic and quickly absorbed, is suitable for use after cosmetic procedures such as peelings and hyaluronic acid injections, is suitable for people who are sensitive to nickel;Formulated without: parabens.