Used For: scabies Product Detail SULPHACT soap contains 10% precipitated sulfur. It has scabicidal, anti-bacterial and anti-seborrheic activity. How to use: Wash with normal or lukewarm water, then use the Soap Massage it gently until rich lather is formed. After that rinse with water. Repeat application of lather and massage it. Do not rinse with water, let it dry. Remove the excess with towel or tissue paper or as per direction.