DHC Dear Slim Face & Body. This body and facial roller allows you to lightly massage the face and body to contour and slim. The two rollers use a patented design to massage the skin and muscles, relieving stiffness and promoting circulation. Its ergonomic shape makes it easy to use in any position. By changing the angle, you can give the skin a more vigorous massage. You can also refrigerate the roller or warm it in your hands to massage with any temperature you want. Can be used every day.