Fiber bundle for artificial hair, process for producing fiber bundle for artificial hair, and head decoration product

Abstract

An object of the invention is to provide an artificial hair fiber bundle having a color tone with a gradation appearance at a tip portion thereof. An aspect of the invention is a fiber bundle (10) for artificial hair, with one end (1) thereof being bundled and fixed. The fiber bundle includes fibers (A1, B1) of two or more kinds having color tones different from each other, the fiber bundle being obtained by a heat treatment at a predetermined temperature. The fibers of two or more kinds have heat shrinkage rates different from each other, and a tip portion of the fiber (A1) out of the fibers of two or more kinds emerges in a portion (2) corresponding to the other end of the fiber bundle (10) which is not bundled and fixed.

Dependencies are inferred from the claim text.