An application assembly and a nib assembly including the application assembly, and a material dispenser are provided. The application assembly includes an application member and a mounting member, where the application member includes a first end fixedly connected to the mounting member, and a second end provided with a concave; the concave is recessed toward the first end of the application member; a flocking layer is provided on the concave; a discharge hole is formed in the application member; a discharge channel is formed in the mounting member; and the discharge channel, the discharge hole, and the flocking layer communicate with each other. By providing the concave on the application assembly, and providing the flocking layer on the surface of the concave, the provided makes the cambered flocking layer better fit against the lip, thereby improving the makeup effect.