Leviticus 14:9
But on the seventh day he shall shave all his hair off his head and his beard and his eye-brows; even all his hair shall he shave off. And he shall wash his clothes. He also shall wash his flesh in water, and he shall be clean.
Numbers 6:9
And if any man dies very suddenly beside him, and he has defiled the head of his consecration, then he shall shave his head in the day of his cleansing, on the seventh day he shall shave it.
Leviticus 14:8
And he that is to be cleansed shall wash his clothes, and shave off all his hair, and wash himself in water so that he may be clean. And after that he shall come into the camp, and shall stay outside his tent seven days.
Numbers 8:7
And in this way shall you do to them to purify them. Sprinkle water of sin-offering on them, and let them shave all their flesh and wash their clothes, and make themselves clean.