In about an hour's time, your Zoom! whitening treatment will take your teeth to the pearly gates. As you sit cozy beneath the special light, a scientifically formulated, light-activated gel goes to work on the outer regions of your teeth, correcting discolorations and brightening your smile up to eight shades on average. Both fast and effective, this process is handy for any friendly folks seeking a new level of brilliance for their bicuspids.