First of all, how long does the hydration effect last? There are individual differences. What do you mean? Each person’s skin quality is different, the effect will be different, in general the first time will not appear too much effect, the first time to play the doctor will also adjust the dosage, the second and third effect will be relatively obvious, but there is also a cycle. Generally, the effect will be seen after a week of hydration injection. At this time you will feel that the whole face skin good will “glow”, the original dull yellow situation has been improved, pore reduction, wrinkle reduction. This special good state will last about 3 weeks, after which the small molecule hyaluronic acid will be metabolized gradually, and this special good state will slowly come down. Of course within the next 1 to 2 months, the basic state of your face is also slightly better than before the injection. However, the hydration injection will not make your skin immediately hydrated and moist. You need to apply a medical mask immediately after the injection, and you need intensive hydration on the 2nd and 3rd day after the procedure. 3~7 days after the procedure is the golden period for hydration. If the hydration link does not keep up, some people will feel that the skin is worse within 3 days after the injection, becoming more dull and even a little dry feeling. Secondly, the effect of hydration injection is not permanent. The human body is constantly aging metabolism, hydration injection of the needle components into the dermis, and cell hydration, will continue to participate in blood circulation, while promoting blood circulation will also be metabolized. Therefore, the effect maintenance time is limited. The effect of hydro-needle injection is generally in accordance with the course of injection, the post-operative effect maintenance depends on their own original skin quality and maintenance conditions, the better the maintenance, the longer the effect will be maintained. Finally, hydration injection belongs to a kind of daily skin maintenance. Although you don’t need to use it every day like skin care products, you need to inject it at the beginning according to a course of treatment, generally every 3 to 4 weeks for a treatment, 4 to 6 times for a course of treatment. Each time the treatment skin will be improved, after which you can gradually extend the time interval, for example: 2 to 3 times a year injection, in order to maintain the “pinch out water” skin muscle.