Although the water light injection is minimally invasive, but due to the injection in the dermal layer of the skin, after the injection will appear erythema, swelling, bruising and other reactions, the injection should be as far as possible within 24 hours without water. Because hyaluronic acid is highly absorbent, as injected into the dermis layer of hyaluronic acid water absorption and water locking capacity is very good, the early will be the original skin inside their own water concentration, resulting in individual treatment will be dry, peeling, sensitivity phenomenon, which is a normal phenomenon. Due to the above reasons, it is recommended to apply water retention collagen mask (Genesis) in the morning and evening within one week after the injection of hydrafacial injection. Dry skin generally lasts about 3-5 days, a week after the effect of water light treatment gradually show, your skin will gradually show hydration, luster, fullness of the state, fifteen days or so the play of water light injection will show the best state. At the same time, you should also pay attention to one week after the injection: 1. Prohibit smoking, do not eat spicy and stimulating food 2. Try to avoid strong ultraviolet radiation, sauna or strenuous exercise 3. Keep your face clean and dry, the temperature of the water to wash your face should not be too hot.