Facial hyperpigmentation is mainly due to long-term sun exposure, improper skin care, or after long-term treatment of allergic diseases, leaving behind dark brown or black patches on the face, which belongs to a kind of post-inflammatory hyperpigmentation, and its treatment methods are as follows: 1, lifestyle adjustment: need to pay attention to sun protection, need to apply sunscreen, isolation cream when going out, wear umbrellas and hats when sitting in the car, avoid eating photosensitive vegetables and fruits, such as spinach, lemon, gray vegetables, etc. 2, medication: can apply topical medication, such as hydroquinone cream and urea vitamin E cream mixed with topical application or cumene cream ointment. The company’s main business is to provide a wide range of products and services to the public, such as the following At the same time, you can also choose picosecond and super picosecond treatment. During the treatment period, you need to avoid spicy and stimulating food, alcohol, rest and stay up late.