In-office whitening treatment system with 30% hydrogen peroxide. Uses G.L.O. (guided light optics) 16-minute whitening technology and complete in-office and at-home teeth-whitening treatments for 4 patients. Contains an autoclavable warming mouthpiece that instantly transforms any treatment room into a whitening room, an easy step-by-step training guide with supplemental videos and courses, and turnkey marketing tools for the practice so clinician can start promoting the program immediately. Patients may receive an in-office procedure, then take home a kit for a seamless experience. No pre- or postprocedure sensitivity treatments.