Glycosaminoglycans Beste Bevochtigingsmiddel Hydratatie Glycosaminoglycans description Also known as mucopolysaccharides, these are a fundamental component of skin tissue, essentially a group of complex proteins. Chondroitin sulfate and hyaluronic acid are part of this ingredient group, all of which function as skin-replenishing and restoring ingredients. Related ingredients: Hyaluronic Acid Sodium Chondroitin Sulfate Mucopolysaccharide