Body Roll-CITPainless rolling makes tiny micro channels in the skin which exponentially enhance penetration of the active ingredients found in your Environ products. The Body Roll CIT consists of two roller heads with 0. 1 mm Stainless Steel micro needles that are tilted at an angle to allow for greater coverage. It is particularly effective in treating larger surface areas quickly as the time for needling is decreased due to the simultaneous action of the dual