Hyaluronic acid has been widely used in medical cosmetic and histology since its discovery in 1999. Hyaluronic acid, also known as "Uronic acid" and "hyaluronic acid", is a transparent colloidal crystal natural polysaccharide, is also present in the dermis of the human skin moisturizing important ingredients, with strong water absorption, is the skin cells growth of the stent, and collagen can maintain the same skin elasticity, but also because with the increase in age and gradually reduced, and thus cause lack of water dry skin and aging, resulting in wrinkles, rough dull and uneven skin color and other issues.
 
Hyaluronic acid can absorb 500-1000 times water of its own, is recognized as the best moisturizing ingredients for the human skin, the main moisturizing factor, many moisturizing products will add hyaluronic acid.
 
In addition to moisturizing, hyaluronic acid can be used to fill the loss skin tissue because of its soft touch and can be maintained for several months to a year after special cross-linking (untreated hyaluronic acid for less than a week), such as tears, apple muscle, temples (husband and wife palace), edict and so on. Injection of hyaluronic acid because of the expansion of the original skin tissue, it can also stimulate fibroblast proliferation collagen, improve fine lines.