Selenium disulfide lotion has an antifungal effect on folliculitis caused by fungal infection. The main ingredient of selenium disulfide lotion is selenium disulfide, which has antifungal effects and can be used for the treatment of dandruff, seborrheic dermatitis of the scalp, lichen planus and other diseases. Folliculitis includes infectious and non-infectious, and the common pathogens of infectious folliculitis include Staphylococcus aureus, Pseudomonas aeruginosa, and Malassezia. Selenium disulfide lotion is effective for folliculitis caused by fungal infections, but not for folliculitis caused by bacterial infections, the specific use of which is subject to medical advice. The drug may cause contact dermatitis, hair dryness, loss of color, etc. It is contraindicated for those who are allergic to the drug, or those who have inflammation or vesicles or oozing of the skin.