Years of drinking beverages such as coffee, tea, or soda can stain our teeth. Even smoking stains our teeth. Over time, that stain becomes more noticeable as it starts to stack up. Unfortunately, nobody likes the look of stained teeth. It makes you seem unhealthy or even worse, it makes you look like you've never brushed your teeth since you were born.

For some people, going to the dentist for a teeth whitening session is a luxury they can afford. However, not all people have the time nor the money for that, so here are the 15 Most Effective Teeth Whitening Products For That Killer Smile: