Leviticus 13:30

30the priest shall examine the disease. And if it appears deeper than the skin, and the hair in it is yellow and thin, then the priest shall pronounce him unclean. It is an itch, a leprous disease of the head or the beard.

Leviticus 13:37

37But if in his eyes the itch is unchanged and black hair has grown in it, the itch is healed and he is clean, and the priest shall pronounce him clean.

Copyright information for ESV