The expert of contemporary international plastic surgery hospital replied: Your situation is still relatively common. Many female friends have big pores and blackheads on their noses. For this problem, the black-faced doll has a good improvement effect. This technique needs to apply a layer of medical-grade nano-carbon powder before treatment, and then directly stimulate dermal tissue proliferation. During the treatment, micro-carbon molecules penetrate into pores, and the laser beam will be attracted by black carbon powder to lock pores, remove dirt and cutin from epidermis, stimulate skin cell renewal, instantly make pore walls firm and elastic, inhibit excessive oil secretion of skin, and have a good improvement effect on acne and oily skin.