"Black Because of Genuine Herbs"The color of the Twin Lotus Herbal Toothpaste is dark because it is made of pure herbal ingredients."This unique combination of more than 10 valuable natural herbs in Twin Lotus Original Herbal Toothpaste are effective in giving you healthy and strong gums and teeth protection, help relieving sensitive teeth and reducing cigarette, tea and coffee stains, eliminatingbad breath and keeping breath fresh and clean.The Anti Bac Herbs of Twin Lotus has been mentioned in the public health journal on 3 topics, a proven solution for teeth and gum disease, conducting research by well recognized neutral institutions. That resulted in research by the leading IBS company to confirm the efficacy of Twin Lotus, with the idea "Why chemical - herbs can do?"