Leviticus 13:30-32

New Century Version

³⁰ a priest must look at the sore. If it seems deeper than the skin and the hair around it is thin and yellow, the priest must announce that the person is unclean. It is an itch, a harmful skin disease of the head or chin. ³¹ But if the priest looks at it and it does not seem deeper than the skin and there is no black hair in it, the priest must separate the person from other people for seven days. ³² On the seventh day the priest must look at the sore. If it has not spread, and there are no yellow hairs growing in it, and the sore does not seem deeper than the skin,