Ezekiel 44:20

‘They shall not make any baldness on their heads nor shave off the edges of their beards nor make any cuts in their flesh.

When he shaved the hair of his head (and it was at the end of every year that he shaved it, for it was heavy on him so he shaved it), he weighed the hair of his head at 200 shekels by the king’s weight.

“Now as for you, son of man, take a sharp sword; take and use it as a barber’s razor on your head and beard. Then take scales for weighing and divide the hair.