A device for applying a product may include a support defining at least one relief-free surface extending continuously over substantially the entire length of the support. The surface may be at least partially covered with a flocking layer including fibers configured to allow the device to be loaded with product. The fibers may include at least two fibers differing from one another, wherein the at least two fibers may be configured to define, at the surface of the flocking layer, irregularities which are at least one of visible to the naked eye and perceptible to the touch.