Adjustable needle head that gives you flexibility to switch to different needle depths. Replacement needle head is used with the ORA Electric Microneedle Roller Derma Pen System. Comes with 3 replacement needle heads. When should you dispose of the roller? The roller should last more than 15 treatments with proper handling. But if you accidentally drop the roller and bend the needles, it is highly advisable to dispose of it immediately. You might need to replace your roller every 2-3 months, as the roller can become dull quickly when penetrating the skin.
