Our Hyaluronic Acid Face Serum contains hyaluronic acid, collagen, elastin. It quickly penetrates into the skin to provide lasting moisture, and helps to restore skin softness and smoothness, improve skin elasticity, reduce fine lines and sagging, and make skin firm and elastic. Its use method is very simple: clean the facial skin to keep dry, take an appropriate amount of essence, evenly apply on the facial skin, gently massage with your hand to promote absorption. It can quickly replenish water, lock water, fade acne marks, even skin tone, improve skin elasticity, and tighten skin.