To provide an applicator in which an application core does not become shaky or unstable even if force in a lateral direction is applied to an application portion of the application core during use, an applicator is provided with a container (1) having an accommodation portion (101) to accommodate a liquid material (10), and an application core (2) supported by a leading end inner portion of the container (1) from an outside and having a communication hole (23) communicated from an inside of the accommodation portion (101) and extending toward a leading end side, the container (1) has a guide tube (102) guiding the liquid material (10) toward a leading end side from an inside of the accommodation portion (101) to be inserted fitly to the communication hole (23) from a rear side, and the application core (2) is supported by the guide tube (102) from a rear side.