Bald Head
The International Standard Bible Encyclopedia, Revised
Baldness; Make Bald; Bald Head; etc
Baldness; Make Bald; Bald Head; etc. [Heb. qorḥâ (Isa. 3:24; Ezk. 7:18; etc.), qāraḥ (Jer. 16:6; Ezk. 27:31; etc.), qērē (a)ḥ (Lev. 13:40; 2 K. 2:23), qāraḥaṯ (Lev. 13:42f), gabbaḥaṯ (Lev. 13:42f), gibbē (a)ḥ (Lev. 13:41)]; NEB also SHAVE, SHORN, “hair is torn,” etc.; TONSURE [qorḥâ]
Eerdmans Bible Dictionary
Bald (ness). Being bald on the forehead (Heb. gabbaḥaṯ) or on top of the head (Heb. qāraḥaṯ) as such did not constitute for the Israelites a sign of uncleanness (Lev. 13:40–42). However, if baldness were the result of incipient leprosy, then it was considered ceremonial uncleanness (vv. 43–44).
Key passages
Le 13:40–43

“And if a man becomes bald, his head is bald, he is clean. And if he becomes bald from his forehead, his head is bald, he is clean. But if a pinkish infection occurs on the bald spot or on the bald forehead, it is an infectious skin disease that sprouts on his bald spot or on his …

2 Ki 2:23

Then he went up from there to Bethel; as he was going up along the way, young boys came out from the city and mocked at him and said to him, “Go up, baldhead; go up, baldhead!”