This is a fat line, but once formed, it may never be eliminated. Changing skin with fruit acid can dilute it. Because high concentration of fruit acid can increase the elasticity of collagen fiber, help the skin recover Zhang Li and fade fine lines, but it is still very dangerous if it is not handled properly, so it is recommended to find an experienced professional doctor to determine the concentration and time of fruit acid skin replacement according to your skin type, so as to achieve the best effect.