Sewak is 100% organic and Natural. "0% Chemical".The Natural Nutrients found in Sewak is fluorine (2x what is found in toothpastes), silicon, Vitamin C, salvadorine and trimethylamine.The World Health Organization recommends the use of the Sewak in international consensus reports on oral hygiene published in 1986 and in 2000.The Minerals in this root or twig include potassium, sodium, chloride, sodium bicarbonate and calcium oxides.These ingredients all strengthen the tooth enamel.The bark contains an antibiotic which surpresses the growth of bacteria and the formation of plaque. Research shows that regular use of Sewak significantly reduces plaque, gingivitis and growth of cariogenic bacteria. It is naturally strengthens and protects the enamel with resins and mild abrasives for whiter teeth, fresher breath and voice too. It reduces stains from tobacco products, coffee and teas.A few benefits:-Kills bacteria that causes gum disease-Fights plaque effectively.-Useful and effectives for teeth whitening-Helps reduce tooth decay-Removes Bad breath and odor from mouth.-Creates a fragrance in the mouth.-Effectively cleans between teeth due to its parallel bristles.-Increases salivation and hence inhibits dry mouth (Xerostomia)-Assistant gastric digestion, and prevents indigestion and calming the stomach and nerves-Boycotted expectorant-Catalyst for memory and concentration-Wizard to some cancers-Help to quit smoking-Catalyst for reading-Repellent to sleepTo Use it:Remove the stick from the package and trim or chew the bark off one end of the stick; about a 1/2 inch as in the third picture. Chew on the exposed end until the twig forms bristles. Brush as usual. No toothpaste required. Just clean the top of the sewak, with little bit water. The best way of use is to start from right to left and left to right gently, "Not up and down".Every few days when bristles look like an old broom, cut off the exposed bristles, peel bark and start a new.