Leviticus 13:44-46

44the man is afflicted with a serious skin disease; he is unclean. The priest must pronounce him unclean; the infection is on his head.

45“The person who has a case of serious skin disease is to have his clothes torn and his hair hanging loose, and he must cover his mouth and cry out, ‘Unclean, unclean!’

46He will remain unclean as long as he has the disease; he is unclean. He must live alone in a place outside the camp.