Simply choosing sulfur soap to wash your hair will take about 10 days to kill the lice. The main ingredient of sulfur soap contains a certain amount of sulfur in addition to alkaline cleansing substances. Sulfur has the role of insecticidal itch, for the head infected with lice for the crowd, simply choose to use sulfur soap wash your head also has a certain therapeutic effect, 2 times a day, wash for about 10 days, you can kill the head of the lice clean. If the time is too short there may not be completely kill lice, so be sure to use sulfur soap treatment enough course. If the head lice are more serious, you need to consult a doctor in time, and with medication for treatment. It should be noted that sulfur on the skin surface has a certain degree of irritation, many people use sulfur soap to wash their hair after the dandruff will increase or temporary skin tingling phenomenon, this is normal, do not worry too much.