Benefits of Hyaluronic Acid – A Key Molecule In Skin Aging Abstract Skin aging is a complex process that consists of 2 independent and distinct mechanisms that are intrinsic aging and extrinsic aging. Young skin retains resilience, pliability and its turgor due to more water content. Daily injury or exposure of the outer skin speeds up the aging process and leads to losing of moisture. The cause of lack of skin moisture is hyaluronic acid because it retains and binds