'Hair of His Head' in the Bible

"The leper in whom the plague is shall wear torn clothes, and the hair of his head shall hang loose. He shall cover his upper lip, and shall cry, 'Unclean! Unclean!'

"'He who is the high priest among his brothers, upon whose head the anointing oil is poured, and that is consecrated to put on the garments, shall not let the hair of his head hang loose, nor tear his clothes;

"'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 Yahweh. He shall be holy. He shall let the locks of the hair of his head grow long.

However the hair of his head began to grow again after he was shaved.

The people said to Saul, "Shall Jonathan die, who has worked this great salvation in Israel? Far from it! As Yahweh lives, there shall not one hair of his head fall to the ground; for he has worked with God this day!" So the people rescued Jonathan, that he didn't die.

When he cut the hair of his head (now it was at every year's end that he cut it; because it was heavy on him, therefore he cut it); he weighed the hair of his head at two hundred shekels, after the king's weight.

I saw until thrones were placed, and one who was ancient of days sat: his clothing was white as snow, and the hair of his head like pure wool; his throne was fiery flames, [and] its wheels burning fire.