Many beauty seekers will have anti-blackening phenomenon after laser spot removal, which is actually called post-inflammatory hyperpigmentation and is a side effect that can easily occur during clinical laser treatment. Especially for yellow people, pigmentation or anti-blackening phenomenon is more frequent, which is a normal process. But there is no need to worry, the following treatment can be carried out after the appearance of anti-blackening after spot removal: 1. pay attention to sun protection: ultraviolet rays in sunlight are an important reason to aggravate or induce pigmentation; 2. do a good job of hydration and moisturizing repair: use less or do not use large particles, such as foundation, isolation and other skin care products to avoid aggravating the performance of anti-blackening, and also pay attention to drinking more water and eating more fresh vegetables and fruits in life; 3. use special spot removal Drugs: including oral vitamin C, vitamin E, even injections with tranexamic acid injection, or glutathione injection; external use of Qianbai hydroquinone cream, or compound arbutin cream, also can do vitamin C import, etc., all can help metabolize as soon as possible. Generally, the anti-darkening time after spot removal is 2-3 months, and the longest is 3-6 months. After the combination of the above methods, the pigment re-blackening after blemish removal can gradually subside.