Crest Whitestrips: Do They Work? And Are They Safe? - Crest review strip whitening
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A: No! When used as directed, it's a safe and effective addition to your beauty routine. Crest 3D White Whitestrips with Light, Teeth Whitening Strips Kit, 10 Treatments, 20 Individual Strips out of 5 Find answers in product info, Q&As, reviews.