Water light injection is generally 1~2 months once, after 3 or 5 injections, the injection time of water light injection can be appropriately extended to 2~3 months once, but there are individual differences, according to the individual situation to decide the cycle of injection. Water light injection is through the dermal layer of the skin injected with small molecules of hyaluronic acid to make the skin look more hydrated and shiny. Water light injection is generally just started when the number of times need to be more frequent, usually about 1 to 2 months to inject once, mainly depends on the skin quality, age and specific maintenance. After 3 or 5 injections, the injection time of the water-light injection can be appropriately extended to 2~3 months once, after a long period of injection can be appropriately extended again, but the specific situation of each person is not exactly the same, some people may metabolize faster, some people may metabolize very slowly, according to the individual situation. If any discomfort occurs during the injection of hydrafacial injection, consult the attending doctor in time, and the professional doctor will make appropriate adjustments to the course of treatment in time.