FOR WHITER TEETH, WITHOUT CAUSING SENSITIVITY.Crest 3D White Whitening Therapy toothpaste with charcoal gently whitens teeth by removing surface stains and gives you a clean, fresh feeling with its invigorating mint flavor. The paste is black and white striped, and whitens without the mess of charcoal powders. Also, it has fluoride that remineralizes weakened enamel to help strengthen teeth and fight cavities. From CREST, #1 Whitening Toothpaste in the US.