To provide a liquid cosmetic application body in which a complex shape application part can be manufactured simply and accurately and moreover at low cost.

In an application piece 13a consisting of a brush part 14a and a mounting part 15a, a molding 18 in which the edges of the two application piece 13a, 13a adjacent to each other are coupled by a freely-bendable hinge part 17, and that is developed to be in a plane shape, is integrally molded, and the application piece 13a is folded by being bent around the hinge part 17 of the molding 18 to be an application part 13, thereby the application part can be manufactured simply and accurately and moreover at low cost.