1, before laser shrinkage of pores, it is necessary to know how long each operation will take, depending on the size of the treatment range. For example, removing moles can be completed in ten minutes. The length of treatment is also determined by the scope of treatment and the depth of pigment. For example, freckles on the surface or eyeliner removal can be done once, deep pigment takes about three to five times, and tattoos may take ten times.

2. Understand that it is very common for laser surgery to restrict the skin. Any age and gender can accept laser to shrink pores, and even babies have no problem. But the earlier the operation, the better, because with the increase of age, the pigment of fetal nevus will deepen and thicken, which is likely to require a longer course of treatment.

3, you should know the success index before the laser shrinks the pores. You might as well remember this principle: laser can only remove the existing pigment, but it can't prevent it from reappearing, so the treatment of congenital fetal nevus won't recur, but whether freckles will grow back the day after tomorrow depends on the care after treatment, such as whether to pay attention to sun protection and so on.

4, understand the taboo of laser shrinking pores, do not make up before facial laser shrinking pores, keep your face clean. Laser shrinkage of pores generally does not require anesthesia, and paralysis ointment can be applied first to relieve pain. Many laser dermabrasion operations require injection of anesthetic needles. You can take painkillers after the laser shrinks pores or according to the situation. The most important care after operation: use sunscreen to avoid exposure.

As long as there are regular plastic surgery hospitals.