摘要 |
One embodiment of an aperture for a scalp brush that does not cut hair is defined by the aperture's diameter and design of the aperture's perimeter. The aperture has a diameter of between 0.51 mm and 1.27 mm. The outside area beyond the aperture (20) being the aperture's perimeter can be no greater than 2.0 mm in diameter. The perimeter of aperture (20), part of tube (22), has a round contour (84) on the outside edge of tube brushing end (68). The tube length being predetermined for working efficiency. The rounded outside edge of tube brushing end (68) does not allow hair cutting. Other embodiments using aperture (20), contour (84), and tube (22) are described and shown. |