"Firm & Refreshing " With natural herbal ingredients and purified salt keep gum and teeth healthy firmly. it decreases cigarette , tea and coffee stains,eliminates bad breath, keeps breath fresh and cleann its dark color cames from natural herbs."Twin Lotus, Word of Mouth Products."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?"