The blackheads are caused by the oxidation of the cortex of the gambling pores exposed to the air, and because of the blockage, the pores are propped up. After the blackheads are pulled out, you need to use shrinkage water to shrink the pores or apply cold wet compresses to the area. In the subsequent care, pay attention to local cleanliness, oil control and moisturizing, and make sure to remove blackheads regularly, not to wait for the cortex to hold up the pores before removing them, the enlarged pores will not get a good recovery. If you are in the hospital for blackhead removal treatment, you can choose carbon dioxide fractional laser for local pore treatment, carbon dioxide fractional laser is more effective for oil control and pore reduction.