In-office whitening treatments can be expensive, so many people turn to at-home teeth whitening. Here's what you need to whiten your teeth at home.

Crest 3D White Brilliance Teeth Whitening Toothpaste works well, and we noticed an immediate difference after the first use.

Basically, you should only expect a brighter smile on the days you use the purple duo. It's not a long-term whitening solution, but it's still effective in the interim. If you're looking for that ...

Another gushed, "My teeth have never looked so white. The purple really does work ... Another said, "Amazing teeth whitener. This really really works. Thank you for producing this product ...