Hairline pimples may be caused by acne, acne is a kind of inflammatory skin disease, the main triggers are not clean, diet too stimulating, etc., can be eliminated by applying medication medication, regular cleansing, dietary modification. 1. Apply medication: Apply isotretinoin cream, adapalene gel, compound polymyxin B ointment and other medications to the area where the acne is located to accelerate skin metabolism, eliminate inflammation and improve acne. 2. Regular cleaning: usually wash your face and hair using chemical products, hairline parts are easy to ignore, cleaning is not in place, in addition to the daily focus on cleaning, you can also regularly use some fruit acids, salicylic acid, etc., there is a peeling effect of the product. 3. Dietary regulation: daily diet should reduce stimulating food, to light, more consumption of fruits and vegetables rich in multiple vitamins, such as small tomatoes, apples, kiwi and so on. If the patient’s hairline acne symptoms are serious, or the symptoms continue and have not improved, you should go to the hospital in time for treatment.