On the seventh day the priest is to reexamine the infection, and if the scaly outbreak has not spread and there is no yellow hair in it, and it does not appear to be deeper than the skin,
The priest is here instructed what judgment to make if there was any appearance of a leprosy, either, 1. In an old ulcer, or bile, that has been healed, Lev 13:18, etc. When old sores, that seemed to be cured, break out again, it is to be feared there is a leprosy in them; such is the danger of those who, having escaped the pollutions...
Commenting on Leviticus 13:18-37
He shall be shaven,.... His head or beard, where the scall was, as Aben Ezra; and so Ben Gersom, who adds, the law is not solicitous whether this shaving is by a priest or not; so it seems any one might shave him: but the scall shall he not shave; that is, the hair that is in it, but that was to continue and grow...
Lev 13:32-34 If the mole had not spread by that time, and the two signs mentioned were not discernible, the person affected was to shave himself, but not to shave the nethek, the eruption or scurfy place, and the priest was to shut him up for seven days more, and then to look whether any alteration had taken place; and if not, to pronounce him...
Commenting on Leviticus 13:32-34