These are a reliable go-to. The brand claims that your teeth will be 20 levels whiter in just 22 days and these strips can remover more than 20 years of stains. This product has 59,600+ 5-star Amazon ...

While we are all born with different shades of enamel, our teeth yellows over time for a variety of reasons, some of which you may not have even realized are contributing to your "yellowing" smile.