2. Secondly, the product can be placed in the four fingers and two fingers outside the navel, that is, the front side of the abdomen (pay attention to avoid the navel and the upper and lower midline, 5cm away, see the operation video for details).
3. Finally, introduce the product with 1ml as the point (the first operation for girls is 1ml). Boys with good physique can mix 2.0ml of light needle solution with 2ml of freeze-dried powder, and introduce the product at one point, which should be used together with needles with a length of 8mm and a fineness of 32 g.