To provide a bristle material for a toilet brush which excels in the containing condition and application capability of a cosmetic compared with a conventional bristle material for the toilet brush which is made of a synthetic resin, has a very good feel to the skin, and is provided with capability which may be enough equal to animal hair, and the toilet brush using this bristle material.

In the bristle material 1 for the toilet brush which consists of cut bristles each made of a modified cross-section synthetic resin monofilament, the cut bristle has a spiral groove 4 which is continuation twist formed in the circumference, a wave form 6 which is continuation formed in a fiber axis direction, and a taper part 2 at at least one end.