Artificial hair, artificial hair unit, artificial hair application method, and method of applying artificial hair unit

The present invention provides artificial hair, an artificial hair unit, a method of applying artificial hair, and a method of applying an artificial hair unit, in which a fiber bundle does not hang down under its own weight, rises up, and exhibits excellent appearance with extra volume at a root. Also provided is a configuration including a base material, a plurality of fiber bundles, and a fixing thread. In the configuration, the base material may have a first side extending in a first direction. Each of the plurality of fiber bundles includes a plurality of fiber parts and a connecting part, where the connecting part connects a first end side of each of the plurality of fiber parts and extends in a direction different from an extending direction of the plurality of fiber parts, and where the fixing thread attaches a vicinity of the connecting part to the base material.