The darkening of forehead skin color may be hyperpigmentation, black degeneration disease, etc. The method of recovery is that the cause needs to be clarified and then targeted treatment.
1. Hyperpigmentation: This disease is mainly caused by a variety of reasons, resulting in excessive local melanin, precipitation in the skin. Usually can fade with time, if necessary, can be used externally decolorizing agents, such as hydroquinone cream, azelaic acid cream, etc.; epidermal peeling agents, such as salicylic acid ointment, retinoic acid ointment, etc., for treatment; you can also take the laser and other physical therapy.
2. Melanosis: generally oral antioxidant treatment, such as vitamin C, vitamin E, etc., to reduce the production of melanin; can also be used externally decolorizing agent treatment, such as hydroquinone cream, arbutin cream, etc.; can also be treated with tranexamic acid.
Generally when the forehead skin is mildly blackened, it can be temporarily observed dynamically, and sun protection can be done. If it affects aesthetics, you can go to a regular hospital, follow the doctor’s instructions to choose the appropriate treatment. When using medication, you should strictly follow the doctor’s instructions to use medication, not blindly self-medication.