Leviticus 13:31-33

Revised Standard Version Catholic Edition

³¹ And if the priest examines the itching disease, and it appears no deeper than the skin and there is no black hair in it, then the priest shall shut up the person with the itching disease for seven days, ³² and on the seventh day the priest shall examine the disease; and if the itch has not spread, and there is in it no yellow hair, and the itch appears to be no deeper than the skin, ³³ then he shall shave himself, but the itch he shall not shave; and the priest shall shut up the person with the itching disease for seven days more;