Luckily, whitening strips were invented to be quick, easy to use and pain-free. That’s why I, along with a fellow PureWow editor, decided to test out two popular picks, the Crest 3D Whitestrips ...

Crest 3D Whitestrips are a customer favorite because ... And they’re super easy to use. All you have to do is peel the strips from the backing, apply them to your teeth and you’re good to ...

I used them for seven days straight and almost ... $45; $30 At Amazon The Crest 3D Whitestrips and the Lumineux Teeth Whitening Strips have a few key differences. The formulas play a huge factor ...