2. Helps to remove skin irritations. Use of black soap helps to remove skin irritations like rashes., 3. Suitable for all skin types. Black soap can be used for the treatment of problems on all types of skin including the dry and rough, oily and moderate skins., 4. Beneficial for skin diseases. Black soap is very beneficial for reducing the discomforts that are associated with skin diseases like psoriasis and eczema, 5.Delays ageing on the skin. Regular use of black soap helps to remove facial lines that are mostly early signs of ageing. Thus black soap can be used to delay ageing of skin.