A) Coverton, an American product, can promote the exfoliation of aged cornea, accelerate the renewal of keratinocytes and a few epithelial cells, and promote the proliferation of elastic fibers in dermis; Needless to say, the effect is not cheap.

B) Filling method: implant (such as collagen) is injected to make the concave part bulge and flush with the surrounding skin tissue;

C) Pulsed light: Stimulate the proliferation of fibroblasts, thicken the dermis and flatten the pits. At the same time, because pulsed light can stimulate the proliferation of collagen, this method has certain effect on red acne marks and newly generated shallow pits.

D) deep skin regeneration treatment: for deep acne, remove pores, dilute acne scars and brighten skin tone;

E) Laser dermabrasion: It is suitable for deep pits, and can be performed according to the depth of pits in the skin. It only takes 2~3 times to get good results, and the effect is lasting. However, due to the trauma of laser dermabrasion, it is necessary to cooperate with postoperative maintenance. If the postoperative care is not good, the skin may turn red and black.