Teeth whitening or tooth bleaching has become an popular cosmetic enhancement to achieve a whiter, more attractive looking smile. Since the increase in demand for whiter teeth, companies have launched a wide variety of ‘At home’ tooth whitening options for the consumer to choose from to achieve that beautiful white smile. For effective results, bleaching using a whitening gel with a molded teeth tray is a popular method. The Whitening gel typically comes in various percentages of carbamide peroxide, which is the active ingredient. There is also a wide variety of other methods to achieve whiter teeth such as using Whitestrips, pre-filled whitening trays, whitening toothpaste and whitening mouthwashes.