| 摘要 |
The present invention relates to a toothbrush (1) provided with a handle body (10) comprising a head portion (2) where at least two bundles of hair (22) have been transplanted to a hair implant surface (20), a neck portion (4) disposed in the head portion (2), and a handle portion (6) disposed in the neck portion (4). In the handle body (10), a cover layer (12) is formed of a soft resin covering at least 70% of the total of the surface area of the head portion (2) and the surface area of the neck portion (4), and is disposed on the surface of a base (11) formed of a rigid resin. At least one exposed portion (14) where the base (11) is exposed is disposed on the cover layer (12) of the toothbrush (1), and the exposed part (14) is not disposed in a two-fold symmetrical area with a shaft line (O1) of the neck portion (4) being an axis of symmetry. According to the present invention, damage and breakage of the head portion and the neck portion may be prevented, and the toothbrush may be manufactured with ease. |
