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