Hyaluronic Acid is a major component in the dermal layer of the skin. The amount of hyaluronic acid naturally decreases as aging progresses. Low molecular weight hyaluronic Acid is absorbed deep into the skin to help moisturize and maintain, reinforcing skin elasticity. This product is made in the form of a low molecular weight to increase the permeability of the skin. This works well with Nano Recipe’s Vitamin C liposome concentrate and Beta hydroxy Acid concentrate. Paragon and fragrance free. Product made in Korea. How to use : This is Hyaluronic Acid concentrate. Mix 1-3 drops with one of your basic skin care lines (skin toner, ampoule, lotions, etc) and apply. Hyaluronic Acid 1%: Helps to hydrate and plump skin.