Blackheads on the forehead, or blackhead pimples, are a type of acne and are associated with high sebum production. Enlarged pores are often associated with various undesirable irritations, skin aging, and clogged follicular openings. When accompanied by both of the above conditions, it can be treated with topical medications, acid peels, and daily protection. 1. Topical medication: Vitamin A cream, adapalene gel, etc. can dissolve microcomedones and promote the excretion of keratin from the hair follicle to avoid pore blockage. 2. Fruit acid peeling: it can dissolve microcomedones, and at the same time, it has the effect of epidermal peeling to promote epidermal cell regeneration and improve enlarged pores. 3. Daily protection: choose the right cleansing products, reduce the skin oil stays, daily sunscreen, delay skin aging, avoid staying up late, light diet. If the forehead blackhead acne with large pores, it is recommended to go to a regular hospital, follow the doctor’s instructions standardized treatment.