Charcoal toothpaste, we gave it a try! June 26, 2018 / New Braunfels Dentists Charcoal toothpaste? We tried charcoal toothpaste! Let's find out what Jess and Jeannie thought of the experience… Posted by New Braunfels Dentists, PLLC. on Friday, June 22, 2018 General Previous post Occlusal guards and why you need one! Next post Night guards, tooth structure protection.