Pure Hyaluronic Acid 90 SerumDescription: This serum contains 90% Hyaluronic acid, which is a natural ingredient that draws up to 1000 times of its own weight of moisture and forms the dermal layer of the skin with collagen and elastin. It is also a key ingredient involved in nourishing skin cells to regenerate and make new skin. This serum also contains Vitamin C, which is effective for whitening, wrinkle improvement, and anti aging. How to use: After toning, apply an