Leviticus 13:30
the priest will examine it. If it seems to be deeper than the surrounding skin and the hairs in it are yellowish and thin, it is a dreaded skin disease. He will declare you unclean.
Leviticus 13:34-37
The priest will again examine the sore on the seventh day. If it has not spread and does not seem to be deeper than the surrounding skin, he will declare you ritually clean. You will wash your clothes. You will be clean.
Leviticus 14:54
These are the instructions for any kind of mildew or fungus
Treasury of Scripture Knowledge
Summary
Then the priest shall see the plague: and, behold, if it be in sight deeper than the skin; and there be in it a yellow thin hair; then the priest shall pronounce him unclean: it is a dry scall, even a leprosy upon the head or beard.
Bible References
Scall
Leviticus 13:34
The priest will again examine the sore on the seventh day. If it has not spread and does not seem to be deeper than the surrounding skin, he will declare you ritually clean. You will wash your clothes. You will be clean.
Leviticus 14:54
These are the instructions for any kind of mildew or fungus