This is a bald emoji without facial features. It is specially used to assist and decorate other expressions (some human figures and body expressions in the "Human & Body" category). It is generally not used as an independent emoji, and sometimes simply refers to chemotherapy or It can be used alone when the head is bald. The above content is more difficult to understand. Here is an example: How did
👨🦲 come from? In Unicode encoding, it is actually 👨 + 🦲 =
👨🦲.