Shanghai Ninth People's Hospital is more authoritative, and Huashan pays attention to dermatology, dealing with acne and the like.

The ninth kind of person is plastic surgery or something (Dot mole also belongs to plastic surgery)

Several of my classmates ordered one from 80 yuan and the smaller one from 40 yuan.

It may leave traces, but it can be used to remove acne marks and spit vitamin E. It is sold in pharmacies and is very effective.