A smile that s stunningly white and beautifully strong. Why just whiten when you can also strengthen? Crest 3D White Diamond Strong Mouthwash whitens strengthens refreshes and kills bad breath germs. Its gentle foaming action formula safely whitens teeth* and helps strengthen weakened tooth enamel. Use it along with Crest 3D White toothpaste and Oral-B Pro-Flex toothbrush for a whiter and beautifully strong smile. *by removing surface stains