Can I wear Crest 3D White Whitestrips overnight for better results? When it comes to achieving a radiant, movie-star smile, many turn to at-home teeth whitening solutions like Crest 3D White Whitestrips. These products promise whiter teeth in a matter of days, using advanced peroxide-based technology. But as with many beauty and personal care treatments, some people wonder: What if I leave the strips on longer even overnight? Will that make my teeth whiter faster? It's a fair question. After all, in many areas of life, more effort equals better results. But when it comes to teeth whitening, especially with peroxide-based products, more isn't always better. In fact, it can be......See More