How to make artificial hair fibers, artificial hair, artificial hair fibers, and how to make artificial hair

摘要

Disclosed are artificial hair fibers comprising artificial fibroin fibers containing modified fibroin and having a predetermined shape, which stretches when wet and shrinks when dried from wet. Also disclosed is a method for producing artificial hair fibers having a predetermined shape, which comprises holding the fibroin fiber containing the modified fibroin in a state of conforming to the predetermined shape. Wet fibroin fibers may be heated while being held in a predetermined shape.