Leviticus 13:30 then the priest shall look on the plague; and, behold, if the appearance thereof be deeper than the skin, and there be in it yellow thin hair, then the priest shall pronounce him unclean: it is a scall, it is leprosy of the head or of the beard. (See NAS)
Leviticus 13:32 And in the seventh day the priest shall look on the plague; and, behold, if the scall be not spread, and there be in it no yellow hair, and the appearance of the scall be not deeper than the skin, (See NAS)
Leviticus 13:36 then the priest shall look on him; and, behold, if the scall be spread in the skin, the priest shall not seek for the yellow hair: he is unclean. (See NAS)