I did it a long time ago. It seems to be 500 yuan at a time, and each course of treatment takes several times (the price should be different in different regions). I don't remember whether it was done twice or three times, and it didn't work at all (the beauty salon seems to say that it can be effective in one course of treatment and cured in several courses, but I personally think it is impossible. After several courses of treatment, tens of thousands of dollars may be gone). I tried it for less than a month. I steamed my face with a face steamer every day, and then applied a hydrating mask (the mask is refrigerated in the refrigerator, because the pores will open after steaming, and the ice mask can shrink the pores). I can't apply it every day, once every other day, and then interspersed with a mask that can be applied every day, or interspersed with a natural paradise aloe gel. The effect is particularly good, with few blackheads and a smooth nose (PS: every month before,