Leviticus 14:9
And on the seventh day he shall shave off all his hair from his head, his beard, and his eyebrows. He shall shave off all his hair, and then he shall wash his clothes and bathe his body in water, and he shall be clean.
Numbers 6:9
"And if any man dies very suddenly beside him and he defiles his consecrated head, then he shall shave his head on the day of his cleansing; on the seventh day he shall shave it.
Leviticus 14:8
And he who is to be cleansed shall wash his clothes and shave off all his hair and bathe himself in water, and he shall be clean. And after that he may come into the camp, but live outside his tent seven days.
Numbers 8:7
Thus you shall do to them to cleanse them: sprinkle the water of purification upon them, and let them go with a razor over all their body, and wash their clothes and cleanse themselves.