All about sodium hyaluronic Acid
Hyaluronic acid is, together with proteoglycans and collagen fibers, one of the main components of the extracellular matrix of the skin. Chemically it can be defined as a glucosaminoglycan from the non-branched polysaccharide chain produced by the condensation of thousands of disaccharide units formed in turn by glucuronic and N-acetylglucosamine acids linked together, alternatively, by […]