Xoc Xpel Cleansing Charcoal Toothpaste 100ml & Toothbrush. Xoc Charcoal Toothpaste is perfect for anyone who is looking for a whitening toothpaste that could help to freshen your breath. It’s ideal for someone who is looking for something a little different from their whitening toothpaste and the free toothbrush is just what you need to brush away plaque and bacteria.