Whiten your teeth up to 10 shades! This 3-in-1 treatment combines a professional teeth whitening gel with an activating high intensity blue light, and a teeth whitening pen for whitening on-the-go. This 3-pronged system breaks down stubborn stains for a whiter, brighter, more confident smile. Use for 16 minutes, once daily for noticeable results in days and complete results in 2 weeks.