Hyaluronic acid is a natural substance found in your body. High concentrations are found in soft connective tissues and in the fluid surrounding your eyes. It’s also in some cartilage and joint fluids, as well as skin tissue. It is extracted and reformulated and now has become one of the most popular kinds of injectable fillers. If the term sounds familiar, it’s because the same substance is often injected into the aching joints of people with arthritis to ease pain and provide extra cushioning.
Hyaluronic acid injections can be used to enhance the shape of the skin and fill in depressions caused by scars, injuries, or wrinkles.