Blackheads on the forehead are medically known as open pimples. Open pimples can be removed through general treatment, medication, and physical therapy. 1. General treatment: Patients with open pimples on the forehead should keep their face clean, choose neutral soap to clean, and reduce the consumption of high sugar, greasy food. 2. Medication: Patients can follow the doctor’s instructions to use topical Vitamin A drugs that have the ability to dissolve acne, anti-inflammatory, such as Adapalene, Tazarotene and so on. 3. Physical therapy: patients can also combine infrared light irradiation, which can inhibit sebum secretion and damage Propionibacterium acnes, helping to remove open pimples. There are many ways to remove open pimples on forehead, we suggest that patients go to regular hospitals and cooperate with doctors for standardized treatment.