A dermatological skin treatment device is provided. The device comprises a handpiece (100) and a cutting tool (301), wherein the tool (303) is inserted through a conduit (213) and percutaneously inserted into a tissue (204) disposed within a recessed area (105) of the handpiece. The device and method cut the fibrous structures under the skin that cause cellulite at an angle substantially parallel to the surface of the skin and replace these structures with a non-cellulite forming structure by deploying a highly fibrous mesh through a single needle hole to create a highly fibrous layer directly or through wound healing processes.
