Leviticus 13:55

Overview - Leviticus 13
The laws and tokens whereby the priest is to be guided in discerning the leprosy.
Treasury of Scripture Knowledge

Leviticus 13:55  (King James Version)
And the priest shall look on the plague, after that it is washed: and, behold, if the plague have not changed his colour, and the plague be not spread; it is unclean; thou shalt burn it in the fire; it is fret inward, whether it be bare within or without.

Ezekiel 24:13 ; Hebrews 6:4-8 ; 2 Peter 1:9 ; 2:20-22

it be bare within or without
Hebrew it be bald in the head
thereof, or in the forehead thereof.