Hyaluronic Acid : is a jelly-like substance that functions as a lubricant and as a cushion and is most prevalent in the joints, eyes and skin . Hyaluronic Acid from Bio-Cell Collagen II - Hyaluronic acid is a major component of joint tissue. It helps to hold lubricating moisture in joints and cartilage, which affects their resilience, elasticity,and strength.Hyaluronic Acid Hydrating Ampules, with 10 times the usual amount of hyaluronic acid, is a great way to hydrate skin.Hyaluronic Acid helps boost skin moisture in any climate, works with the liquids you drink.Doesn't depend on moisture in atmosphere—as do many other moisturizers..