MCCM Medical Cosmetics - PDRN + Hyaluronic Acid 1% is a complex of biomimetic peptides with 1% Hyaluronic Acid.Our cells use the polydeoxyribonucleotide as a structural basis for the synthesis of nucleic acids and their factors, as well as for the repair of our own DNA. These processes are especially necessary for damaged cells in a state of reduced metabolism, as well as under stress.