Leviticus 21:3-5

Tree of Life Version

³ or his virgin sister who is near to him, who has had no husband. For her he may allow himself to become unclean. ⁴ But he is not to defile himself—a husband among his people—and so profane himself.

⁵ “Kohanim are not to shave their heads, nor shave off the corners of their beards, nor make any cuttings in their flesh.