Numbers 6:5 in the King James Version
All the days of the vow of his separation there shall no razor come upon his head: until the days be fulfilled, in the which he separateth himself unto the LORD, he shall be holy, and shall let the locks of the hair of his head grow.
Context
4 All the days of his separation he shall eat nothing that is made of the grapevine, from the seeds even to the skins.
5 “‘All the days of his vow of separation no razor shall come on his head, until the days are fulfilled in which he separates himself to the LORD. He shall be holy. He shall let the locks of the hair of his head grow long.
6 “‘All the days that he separates himself to the LORD he shall not go near a dead body.