If there is one ingredient on the market that is synonymous with youth it is Hyaluronic acid (HA), a group of sugar molecules found in the skin that deplete as we age. These Molecules work to cushion and lubricate the body, it is found everywhere from head to toe, for example without HA in the knee joints you can quickly develop signs of arthritis, HA is being used as treatments in many musculoskeletal conditions and research into benefits is ongoing.