The black marks left by folliculitis are generally post-inflammatory hyperpigmentation, which can be eliminated through medication and physical therapy. 1. medication: for patients with post-inflammatory hyperpigmentation, it is recommended to use topical tranexamic acid, vitamin C, niacinamide and other drugs as prescribed by the doctor, which can inhibit the proliferation of melanocytes and improve local symptoms. You can also follow the doctor’s instructions for external use of hydroquinone and other drugs, can inhibit tyrosinase activity, and thus reduce melanin deposition. 2. Physical therapy: patients can also choose laser treatment, the local deposition of melanin, produce high energy laser, smashing melanin particles, so as to eliminate the local black marks, such as intense pulsed light, picosecond laser and so on. Eliminate folliculitis left black marks of the method is more, it is recommended that patients go to the regular hospital, with the doctor for standardized treatment.