Bible Verses About Shaving: Forbidden to Nazarites

All the time of his separation no razor shall pass over his head, until the day be fulfilled of his consecration to the Lord. He shall be holy, and shall let the hair of his head grow.

Because thou shalt conceive, and bear a son, and no razor shall touch his head: for he shall be a Nazarite of God, from his infancy, and from his mother's womb, and he shall begin to deliver Israel from the hands of the Philistines.