The roughness of the hole can be improved. Laser can be selected to deal with the phenomenon of coarse pores. Like other laser cosmetic methods, it penetrates into subcutaneous tissue after laser irradiation with different wavelengths, and decomposes various conditions that lead to skin defects, resulting in coarse pores and rough skin. You can take anti-inflammatory drugs for treatment and observation after operation. Be careful not to eat spicy food. Wish you good health. Blackheads are hardened grease blockages that usually appear on the forehead, nose and other parts of the face. I suggest you use laser whitening. The treatment time of laser whitening is relatively short, but it takes about ten minutes at most. After each treatment, the skin should be given a metabolic process. Therefore, laser whitening treatment can achieve the expected effect at one time.