Crest 3D White Whitening Therapy toothpaste with Charcoal gently whitens teeth, strengthens enamel, and freshens breath with invigorating mint flavor. It's not just whitening - it's deep clean therapy with charcoal for your teeth! 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.