Blackheads are caused by oxidation and darkening of sebum at the mouth of the hair follicle and tend to recur. Blackheads can be removed through daily care and medication. 1. Daily care: You can occasionally use regular blackhead removal nasal strips when cleaning the skin, which can alleviate the nuisance of many blackheads, but may damage the pores due to mechanical action resulting in enlarged pores. However, care should be taken to avoid frequent use to avoid aggravating blackheads due to pore enlargement. 2. Medication: Topical application of vitamin A acids, fruit acids, salicylic acid exfoliators can help remove blackheads. However, it is necessary to pay attention to the concentration of drugs, starting from a low concentration, to avoid skin irritation due to too high a concentration. Paying attention to skin cleansing, strict sun protection, and hydration and moisturizing in daily life can help improve the skin condition and reduce the occurrence of blackheads. It is recommended to go to regular medical institutions under the guidance of doctors to standardize the treatment.