The burning sensation often expert with snus is attributable to the nicotine by itself (just like the tingle of nicotine gum) and a few food items additives for example sodium carbonate (E500). Sodium carbonate is actually a food additive utilized to enhance the pH in the tobacco (decrease the acidity). https://images.google.es/url?q=https%3A%2F%2Ficyshop.es%2F%3Fcollections%2Fsnus