Leviticus 13:39-43

Then the priest shall look: and, behold, if the bright spots in the skin of their flesh be darkish white; it is a freckled spot that groweth in the skin; he is clean.

And the man whose hair is fallen off his head, he is bald; yet is he clean.

And he that hath his hair fallen off from the part of his head toward his face, he is forehead bald: yet is he clean.

And if there be in the bald head, or bald forehead, a white reddish sore; it is a leprosy sprung up in his bald head, or his bald forehead.

Then the priest shall look upon it: and, behold, if the rising of the sore be white reddish in his bald head, or in his bald forehead, as the leprosy appeareth in the skin of the flesh;