A novel compound is disclosed, said compound comprising hyaluronic acid, optionally cross-linked, or an oligomer, optionally cross-linked, dimer or monomer thereof, which is salified or at least partially salified with carnosine, wherein the carnosine is in the form of an L- or D- enantlomer or a racemate; a process for producing this compound, its cosmetic and therapeutic use as well as pharmaceutical and cosmetic compositions containing the same are also disclosed.