Sulfur soap is generally not recommended for use on the face, but can be considered for people whose facial skin tends to be oily, usually about once every 3 days. Sulfur soap contains relatively low levels of sulfur and is generally fatty acids and alkaline ingredients as surfactants that cleanse more strongly and are not recommended for people with delicate facial skin. Sulfur soap in the bath will produce hydrogen sulfide and pentachlorosulfonic acid, with oil control, sterilization effect. However, excessive use or too frequent use can cause skin dehydration, which can lead to molting. For individuals whose face is easily greasy, it can be used appropriately, but because it has a certain degree of irritation, it is usually recommended to use it once every 3 days or so. In daily life, many people will choose to use sulfur soap for facial cleansing, some individuals may have red spots, pimples, itching and other allergies, so you must be especially careful when using sulfur soap for facial cleansing.