Hyaluronic Acid Natures Moisturizer Quenching hydration for supple skin and lubricated joints eyes. Hyaluronic Acid HA is an important disaccharide found in every tissue of the body, in particular as an essential lubricant of healthy joints, skin, and eyes. Hyaluronic Acid promotes cell turnover and is known as Naturersquos Moisturizer due to its ability to hold up to 1000 times its weight is water.