Metronidazole gel is generally not used to get rid of blackheads. Metronidazole gel can promote blackhead discharge. Metronidazole gel is an antibacterial and anti-inflammatory drug, generally commonly used for anti-inflammatory, antiseptic, mite removal. Blackheads can be removed through daily care and medication. 1. Blackheads because the skin oil secretion is exuberant, blocking the mouth of the hair follicle, resulting in oil can not be discharged, oxidation after the formation of the appropriate application of metronidazole gel can promote the skin metabolism, to reduce the breeding of bacteria, thereby promoting the discharge of blackheads. Usually pay attention to facial cleanliness, often cleansing, can effectively reduce the generation of blackheads. 2. Daily care: you can strengthen the facial cleanliness, usually wash your face must choose to go to the oil, exfoliation of the cleansing milk and cleansing products. 3. Medication: The reason for the formation of blackheads is usually due to the increased secretion of sebum by the sebaceous glands of the hair follicles, keratinization of the openings of the hair follicles, narrowing and clogging of the follicular sebaceous glands, and accumulation of all the things inside the hair follicles. Vitamin A drugs can play a follicle mouth abnormal keratinization gradually loosening effect, conducive to the discharge of sebum in the hair follicle, and then can play the effect of removing blackheads. The use of the above drugs need to follow the doctor’s instructions, it is recommended that the patient to the hospital in time, under the guidance of the doctor standardized treatment.