What is Hyaluronic Acid? Hyaluronic acid is an anionic, nonsulfated glycosaminoglycan that is present within the connective, epithelial, and neural tissues. It is unique among glycosaminoglycans as it is non-sulfated, forms in the plasma membrane instead of the Golgi apparatus, and can be very large: human synovial HA averages … [Read more...] about Hyaluronic Acid: Skin Care Solution and Health Benefits