The injection effect of water needle is not fixed, because everyone's skin is different, so the absorption of water needle is different, so the maintenance time of water needle varies from person to person. Generally speaking, people with dry skin and neglect of maintenance will maintain the effect for a short time, about six months to one year, and people with good skin will maintain the effect for a long time.
2. The injection effect of water-light needle is related to the number of injections.
The effect of water-jet needle injection is related to the number of injections. After three consecutive injections, the effect can be maintained for about 1-2 years, but it will vary according to individual physique, skin quality and living habits.