Leviticus 13:30-32

Amplified Bible

³⁰ the priest shall examine the diseased place; if it appears to be deeper than the skin, with yellow, thin hair in it, the priest shall pronounce him unclean; it is a scale, it is leprosy of the head or beard. ³¹ But if the priest examines the spot infected by the scale, and it does not appear deeper than the skin and there is no black hair in it, the priest shall isolate the person with the scaly infection for seven days. ³² On the seventh day the priest shall examine the diseased spot; if the scale has not spread and has no yellow hair in it, and the scale does not look deeper than the skin,