This 22-pack of Crest 3D Whitestrips is down to just $29.99 during Amazon Prime Day.

Crest 3D WhiteStrips are easy to use and effective. There’s nothing quite like a kid to tell you the truth. According to my kindergarten-age daughter, my singing voice is passable, the pink Zara ...

The Vivid Plus White Strips are the cheapest available from Crest on Amazon, coming in at under $24 with this deal. Fittingly, the $24 pack comes with 24 strips, equivalent to 10 whitening treatments.

For a limited time only, you can save 50% on one of our favorite kits — the Crest 3D Whitestrips Sensitive. (It retails for $49.99 and is currently on sale for $25.06.) ...

Crest 3D Whitestrips just dropped in price at Amazon. It’s a great time to whiten teeth at home because some kits have even hit their all-time low prices, starting at $30.

Crest Whitestrips are majorly on sale at Amazon for Cyber Monday (close to 40% off!), and according to celebrities, they’re the secret to a pearly white smile.

During Amazon's sale, buy Crest Whitestrips for over 25% off — their lowest price since Black Friday. Alix Earle and Kyle Richards both love these teeth whitening strips.

Shop this best-selling Amazon Cyber Monday to get Crest 3D Whitestrips for less than $28. Save 39% on the popular whitening strips for a limited time.

A PS editor tested the Crest 3D Whitestrips and saw significant whitening results in just days. See before and after photos here.

Crest white strips are 35 percent off during Prime Big Deal Days. One PEOPLE shopping writer tried the Crest 3D Whitestrips, which have a “no-slip grip” and 68,000 five-star ratings on Amazon.

Everyone has something about themselves they wish they could improve. For those with “smile” at the top of the list, Crest Whitestrips are among the simplest, most affordable means of improvement.

22-pack Crest 3D Whitestrips are on sale on Amazon for a limited time. The kit, which usually retails for $46, is on sale for $30 right now.