Leviticus 13:30
if when the priest examines the skin rash and indeed it appears more extensive than skin deep, and it's accompanied by fine, yellowish hair, then the priest is to declare him unclean. The scales on the head or the beard are an infectious skin disease.
Leviticus 13:34-37
The priest is to examine the scab on the seventh day. If, indeed, the scab hasn't spread on the skin and it doesn't appear more extensive than skin deep, then the priest is to declare him clean. He is to wash his garments and be clean.
Leviticus 14:54
"This is the law for every contagion of infectious skin disease and scabs,
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 is to examine the scab on the seventh day. If, indeed, the scab hasn't spread on the skin and it doesn't appear more extensive than skin deep, then the priest is to declare him clean. He is to wash his garments and be clean.
Leviticus 14:54
"This is the law for every contagion of infectious skin disease and scabs,