Hyaluronic Acid is an organic component of human body found in relative high concentrations in the basal layer of the epidermis. His function is to maintain the extracellular space and providing an open, as well as hydrated structure for the passage of nutrients. Doing this, hyaluronic acid contributes significantly to cells proliferation, which helps reepithelization and antiaging process, including collagen stimulation.
As the amount of hyaluronian decreases with age, the skin loses volume and become flabby. So a lot of research has been done on how to produce the substance out of the body to inject it into the organism to a natural rejuvenation process. What the studies have discover is that hyaluronic acid can be produced through bacterial fermentation and then used against wrinkles and cutaneous depressions. Although, as a biological substance, its absorbable, which means that the filling with this product is not definitive.
The product used for aesthetics purposes is sold for many brands, but few of then are ANVISA and/or FDA approved. A registered product on doctor hands can redesign glabellar or marionette line, as well as chin and jaw line or even fill the nose or the nasolabial fold.