Leviticus 14:9
On the seventh day you should again shave your head, your beard, your eyebrows, and all the rest of the hair on your body. You should wash your clothes and take a bath. Then you will be ritually clean.
Numbers 6:9
Someone might suddenly drop dead next to a Nazirite and make the Nazirite's hair unclean. Seven days later he must shave his head in order to be declared clean.
Leviticus 14:8
You must wash your clothes, shave off all your hair, and take a bath. You will then be ritually clean. You may enter the camp. You must live outside your tent for seven days.
Numbers 8:7
This is what you must do to make them clean: Sprinkle them with water to take away their sins. Make them shave their whole bodies and wash their clothes. Then they will be clean.