The applicator is configured by arranging a liquid agent container (130) having an opening (124), adjacent to the liquid agent container (130) so as to cover the opening (124), and bundling a plurality of fibers (140). A brush member (160). The brush member (160) has a cylindrical shape at the base part on the liquid agent container (130) side, and becomes thinner from the base part toward the tip part opposite to the liquid agent container (130) side. The tip portion has a wedge shape.塗布具は、開口部(１２４)を有する液剤容器(１３０)と、開口部(１２４)を覆うように液剤容器(１３０)に隣接して配置され、複数の繊維(１４０)が束ねられて構成された刷毛部材(１６０)とを備える。刷毛部材(１６０)は、液剤容器(１３０)側の根元部において筒状の形状を有し、かつ、上記根元部から液剤容器(１３０)側とは反対側の先端部に向けて薄くなって、上記先端部が楔状の形状を有する。
