There is usually a recovery period of about 3 days after the injection, and after 7 days, you can see a significant improvement in your skin condition. On the other hand, the duration of effect varies according to the individual skin condition and the injection organization chosen. Hydrafacial injection is a very common medical skin care treatment, sodium hyaluronate, vitamin C, vitamin E, botulinum toxin and other effective ingredients are injected into the dermis or lower dermis of the skin, to improve the skin dryness, dullness, fine lines and other poor conditions. Generally speaking, the effect can be seen in about 7 days after the injection of hydrafacial injection, but the individual skin condition and the choice of the injection organization is different from the time to see the effect. The cosmetic ingredients used in hydrafacial injection are different, and the effect of its cosmetic maintenance will be different. People with dry skin and negligent maintenance have a shorter maintenance time, about 6 months; the injection effect is related to the number of injections received, and the effect can be maintained for about 1 year after three consecutive hydrafacial injections. After the water-light injection, it is necessary to optimize the effect through hydration and moisturizing, strict sun protection and other measures of scientific care. If you want to know how long it takes for the effect of hydrafacial injection to appear, you can go to a regular hospital to consult about it.