Abstract: A brush is made up of: a handle an aluminum tubular body which is coated with an artificial plastic material, vinyl fluoride polymer, and holes with polygonal shape, arranged in a herringbone pattern, which end in bevelling and are arranged forming oblique lines in respect of the longitudinal axis of the brush. Nylon fibers are ionized by radiation, and are fixed helicoidally to a supporting center rod, located inside the tubular body. The fibers emerge through the holes of the tubular body, and a front top closes the fore end of the tubular body.