Hyaluronic acid ha belongs to a class of polysaccharide compounds known as glycosaminoglycans gags and is found in almost very cell within the body. Ha is a hydrophilic waterloving molecule capable of holding up to a thousand times its own weight in water. It is often referred to as natures moisturiser.ha is especially abundant in the components of the joints such as cartilage and synovial fluid, as well as in the skin and eyes. Over fifty percent of the bodys stores of ha is found in the skin. Ha hydrates and nourishes collagen that is vital for joint stability and skin firmness.as the human body ages, levels of ha dramatically decline. This may account for the loss of hydration that contributes to many conditions of ageing that affect skin and joints. Research has confirmed benefits of both topical and oral use of hyaluronic acid for maintenance of the skins layers and structure. Ha is one of the components that forms the skins natural moisturising factor nmf and significantly enhances the elasticity of skin tissue. Loss of elasticity of the skin is a major contributing factor to the formation ofwrinkles.solgar hyaluronic acid 120 mg tablets also provide vitamin c, chondroitin sulphate and collagen biocell collagen ii , substances that are important in joint and skin structure.