... surface of the skin, let the skin smooth and humid, and blocking foreign bacteria, dust, UV intrusion, protection ... promote the epidermal cells proliferation and differentiation, and elimination of oxygen free radicals, prevent and repair skin damage. Hyaluronic acid ... , the emulsion, makeup water, facial bath, shampoo and conditioner, mousse, lipstick and other cosmetics, General content is 0.05 ~ 0 ...