Features the proprietary 30% hydrogen peroxide whitening gel, which is activated by the Ultimate Whitening mouthpiece. This patented heat technology warms to the perfect temperature, significantly accelerating whitening gel performance, with little to no sensitivity. Complete the Ultimate Whitening Experience by applying the stain protection serum, clinically proven to shield newly whitened teeth from stains for up to 3 months. Whitening refill kit includes everything a practice needs for 6 patient procedures. Each treatment is expertly crafted to whiten up to 12 shades in as little as 30 minutes of chair time.