Hyaluron Serum, a light-textured yet powerful active concentrate with triple-action Hyaluronic Acid and HY-3 peptides, helps to intensively hydrate the skin. HY-3 Peptides, a unique combination of low, medium and high-molecular Hyaluronic Acid supply intensive moisture, and a special NMF Moisturizing Complex all help to improve the skin's ability to store moisture, leaving skin feeling thoroughly moisturized, hydrated, and plump-looking .