Coal tar lotion and selenium disulfide lotion are two different topical dermatological drugs. Both have different ingredients and have different actions and indications.
1. Different ingredients: the main component of coal tar is 1% pure coal tar, and the main component of selenium disulfide lotion is selenium disulfide.
2. Role and indications for the difference: the main role of coal tar lotion is to remove dandruff, applicable to seborrheic dermatitis, psoriasis, etc.. Selenium disulfide lotion in addition to dandruff, but also anti-fungal, dandruff, for seborrheic dermatitis, lichen planus, Malassezia folliculitis and so on.
Coal tar lotion and selenium disulfide lotion, in the process of use may appear local erythema, itching, tingling, etc., need to stop using. Both need to be used under a doctor’s supervision.