Moisturizing ampoule with quintuplex hyaluronic acid to fill the skin compactly, and with PGA and sodium PCA to moisturize and smoothen the skin. Read more in the description below! -- High moisturizing ampoule containing 5 types of hyaluronic acids, PGA and sodium PCA with different molecular weight. Feature [5 types of hyaluronic acids] Hyaluronic acids composed of hyallight, hyalactive, hyalcover, hyalultra and hyalglue with different molecular weights. [PGA] It is a natural moisturizing ingredient found by refining the main component of sticky substances in Cheongguk-jang, the Korean fermented soybean food and natto, the Japanese food to have high purity. It has a high moisturizing ability than collagen How to use Apply a generous amount onto clean skin.