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This small pen is filled with whitening gel. As you twist the cap, gel fills the bristles (like a toothbrush). Paint your teeth (including the gaps) with the gel, then wait 30-60 minutes.
The post-Amazon Prime Day 2023 Crest sale continues—get 66 percent off editor-loved and reviewed Whitestrips and gel for one of the lowest prices ever now.
The pen comes with nearly 60,000 Amazon reviews, and while it doesn't pack the same amount of power as the Whitestrips, it can help brighten the appearance of your pearly whites over the course of ...
According to a 2009 article in The Washington Post, Consumer Reports found Crest Whitestrips Supreme to be the best of the eight teeth whitening products it tested. [4] This product was the most expensive kit tested by Consumer Reports. [2]
Tooth whitening or tooth bleaching is the process of lightening the colour of human teeth. [1] Whitening is often desirable when teeth become yellowed over time for a number of reasons, and can be achieved by changing the intrinsic or extrinsic colour of the tooth enamel . [ 2 ]
The dentists also mention that some whitening strips can leave a sticky residue (ahem Lumineux) or can be pretty expensive (looking at you, Crest 3D). One more thing: The results are temporary.