Dark pigment on face may be caused by freckles, post-inflammatory hyperpigmentation and other diseases, and it is recommended to choose medication and physical therapy to remove it. 1. Freckles: Freckles may cause black spots on face, patients are recommended to choose laser treatment, including Q laser, picosecond laser, intense pulsed light and so on, which help to remove pigment. 2. Post-inflammatory hyperpigmentation: dark pigmentation on the face may be caused by post-inflammatory hyperpigmentation, and patients are advised to use hydroquinone cream, azelaic acid externally and tranexamic acid orally under the guidance of doctors, which help to inhibit the proliferation of melanin cells. Laser treatment can also be taken to help remove facial melanin deposits, mainly based on its high energy to break down melanin particles in the affected area, which helps to improve the symptoms. For those who want to remove facial melanin, it is recommended to go to a regular hospital for a face-to-face consultation and choose the right way under the guidance of the doctor.