Leviticus 13:30-31

13:30 the priest is to examine the infection, and if it appears to be deeper than the skin and the hair in it is reddish yellow and thin, then the priest is to pronounce the person unclean. It is scall, a disease of the head or the beard. 13:31 But if the priest examines the scall infection and it does not appear to be deeper than the skin, and there is no black hair in it, then the priest is to quarantine the person with the scall infection for seven days.