Numbers 6:4-6

Complete Jewish Bible

⁴ As long as he remains a nazir he is to eat nothing derived from the grapevine, not even the grape-skins or the seeds.

⁵ “‘Throughout the period of his vow as a nazir, he is not to shave his head. Until the end of the time for which he has consecrated himself to Adonai he is to be holy: he is to let the hair on his head grow long.

⁶ “‘Throughout the period for which he has consecrated himself to Adonai, he is not to approach a corpse.