Something worth smiling about: Crest Whitestrips are majorly on sale on Amazon. The 3D Professional Effects whitening strips, our favorite at-home whitening treatments, are 35% off on Amazon right now ...

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New York Post may be compensated and/or receive an affiliate commission if you click or buy through our links. Featured pricing is subject to change. They’re a Post Wanted favorite. They’re a No.1 ...

Included with this Crest 3D Whitestrips kit are a total of 44 whitening strips. That breaks down to 22 treatments complete with a strip for your upper and lower sets of teeth. Each one is said to ...

— Recommendations are independently chosen by our editors. Purchases you make through our links may earn us and our publishing partners a commission. Guess what's back? The Amazon deal on Crest teeth ...

From red wine and coffee to soy sauce and balsamic vinegar, many of our favourite foods and beverages can wreak havoc on our teeth. That said, thanks to at-home teeth whitening kits like Crest 3D ...

One of our favorite Amazon deals available today is on a 40-pack of the top-rated Crest 3D White Professional Effects Whitestrips for $43.10, which is a 6% discount off the original price of $45.99.

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. We’ve seen plenty of the ...