Leviticus 13:25
the priest shall examine it, and if the hair in the spot has turned white and it appears deeper than the skin, then it is a leprous disease. It has broken out in the burn, and the priest shall pronounce him unclean; it is a case of leprous disease.
Leviticus 13:4
But if the spot is white in the skin of his body and appears no deeper than the skin, and the hair in it has not turned white, the priest shall shut up the diseased person for seven days.
Leviticus 13:18-20
"If there is in the skin of one's body a boil and it heals,
Treasury of Scripture Knowledge
Summary
Then the priest shall look upon it: and, behold, if the hair in the bright spot be turned white, and it be in sight deeper than the skin; it is a leprosy broken out of the burning: wherefore the priest shall pronounce him unclean: it is the plague of leprosy.
Turned white
Bible References
Turned white
Leviticus 13:4
But if the spot is white in the skin of his body and appears no deeper than the skin, and the hair in it has not turned white, the priest shall shut up the diseased person for seven days.