Face washing apparatus having brush structure in whch outer brush is attached together with inner brush

The present invention relates to a face washing device having a brush structure in which an external brush and an internal brush are attached or detached together and, more specifically, to a face washing device having a brush structure in which an external brush and an internal brush are attached or detached together, wherein the external brush is coupled with a brush holder and is mounted in a mounting space of a front side body of the face washing device, and the internal brush is assembled on the inside of the external brush and is linked with a driving motor, so that when the internal brush washes skin while being rotated by the driving motor, the external brush fixed in the mounting space of the front side body prevents water from splashing in all directions by means of a centrifugal force caused by the rotation of the internal brush. In addition, the present invention relates to a face washing device having a brush structure in which an external brush and an internal brush are attached or detached toge