Express Whitening Kit - 1 Hour Express | Crest White Smile - 3-d strip
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Whitens 25x better than a leading teeth whitening toothpaste**when toothpaste is used for 4 weeks; The First and Only Whitening Strips Accepted by the. Crest 3D White Professional Effects Whitestrips Whitening Strips Kit, 22 Treatments, 20 Professional Effects + 2 1 Hour Express Whitestrips. All Crest 3D White Whitestrips products use the same enamel-safe teeth whitening ingredient that dentists do, reaching below the enamel.