The correct use of selenium disulfide hair wash generally does not lead to hair loss, on the contrary, selenium disulfide for seborrheic dermatitis caused by hair loss and a certain therapeutic effect. Selenium disulfide lotion is an orange-yellow suspension of topical skin medication, the main component is selenium disulfide, with antifungal, anti-seborrhea effect, can reduce oil secretion, remove dandruff, mainly for the treatment of seborrheic dermatitis of the scalp. Some patients with seborrheic dermatitis will feel more hair fall when they wash their hair with selenium disulfide, in fact, it is not the drug that causes hair loss, but because seborrheic dermatitis has caused hair loss, it just falls off when they wash their hair, so many people mistakenly think that it is the hair loss caused by using selenium disulfide. Seborrheic dermatitis can lead to excessive sebum overflow, which causes hair loss, and selenium disulfide lotion has the effect of inhibiting sebum overflow, so it can treat seborrheic dermatitis and relieve the symptoms of hair loss. During the medication period, you should pay attention to observe whether the site of the medication appears red, swollen, blotchy, papular rash, even blisters or vesicles and other symptoms, once it appears, you should immediately stop the medication.