Leviticus 13:2-3

13:2 “When someone has a swelling or a scab or a bright spot on the skin of his body that may become a diseased infection, he must be brought to Aaron the priest or one of his sons, the priests. 13:3 The priest must then examine the infection on the skin of the body, and if the hair in the infection has turned white and the infection appears to be deeper than the skin of the body, then it is a diseased infection, so when the priest examines it he must pronounce the person unclean.

Leviticus 13:44-46

13:44 he is a diseased man. He is unclean. The priest must surely pronounce him unclean because of his infection on his head.

The Life of the Person with Skin Disease

13:45 “As for the diseased person who has the infection, his clothes must be torn, the hair of his head must be unbound, he must cover his mustache, and he must call out ‘Unclean! Unclean!’ 13:46 The whole time he has the infection he will be continually unclean. He must live in isolation, and his place of residence must be outside the camp.