Myths and Facts about Teeth Whitening There is a lot of misinformation on the web about teeth whitening. You can save a considerable amount of time, money, and efforts by avoiding misconceptions. If a brilliant smile is what you are after, then you need to know these myths and facts about teeth whitening. Myth – Baking soda and hydrogen peroxide are great whitening tools Baking soda simply doesn’t work on teeth enamel . Your teeth are like sponge with pores in the enamel that effectively absorb all stains. You need something better than baking soda. Hydrogen peroxide is a great whitening agent. However, when used by amateurs the chemical may come in contact with your skin and tissues, which causes free radical reactions. This is the same reaction behind tissue ageing. Myth – Whitening gum and toothpaste helps Whitening chewing gums and toothpastes contain small quantities of whitening chemicals. However, these are present in low quantities or weak amounts to ...