This 6% Hydrogen Peroxide (H2O2) Teeth Whitening Kit is designed to deliver professional results in just 36 minutes. The OSMO Five-Patient Whitening Kit features a safe and advanced formula gel that can be used in-office without gingival protection. This kit includes material for five patients. A typical treatment consists of three consecutive cycles of 12-minutes each, designed to work in conjunction with light acceleration. The dual barrel 6% syringe in this kit includes teeth bleaching gel for three chairside cycles. The Osmo Kit also includes five premium formula teeth whitening pens that patients can take home and start using immediately to keep stains and darkening at bay while adding a rich, glossy tooth finish.