Leviticus 13 20
and the priest shall look, and behold, if it appears to be deeper than the skin, and the hair on it has turned white, then the priest shall pronounce him unclean; it is the infection of leprosy, it has broken out in the boil.
and the priest shall look, and behold, if it appears to be deeper than the skin, and the hair on it has turned white, then the priest shall pronounce him unclean; it is the infection of leprosy, it has broken out in the boil.