The injection principle of hydration injection is to inject hyaluronic acid directly into the dermis to fill the dermis with moisture, improve wrinkles, make the skin hydrated and soft, shiny and bright, and really solve the problem of lack of moisture in the dermis. The advantage is that it is minimally invasive, can effectively solve the problem of skin dehydration, no side effects, but also according to the needs of different candidates, a variety of injectables cleverly used together. The water light injection belongs to the category of medical beauty, it is the same as the injection of hyaluronic acid, botulinum toxin, must choose the regular hospital, find a professional doctor to operate, not to life beauty salon for injection, more can not be injected at home, otherwise there are mistakes, the consequences are unimaginable, beauty seekers should not be tempted by the low price, and let themselves fall into the endless risk of beauty hidden danger. Some patients will feel that the skin has become dry instead after the injection of hydration needle, think that they are not injected with an irregular product, in fact, this is because the eye of the needle minimally invasive reason, the skin may feel abnormally dry, at this time need to do more mask. In addition, be sure to do a good job of sun protection, so as to make the efficacy of the hydrafacial injection relatively better and more durable.