This is a bald person. There is no hair on his head, which means a bald person or a bald head. Regardless of gender, it generally refers to people who are bald, and also refers to bald heads. Among them, see
👨🦲 for men and
👩🦲 for women. Related emoji:
🦳🦱👱👱♂️👱♀️ 👩🦳