The burning sensation frequently skilled with snus is caused by the nicotine alone (just like the tingle of nicotine gum) and several food stuff additives including sodium carbonate (E500). Sodium carbonate is really a food items additive accustomed to boost the pH of the tobacco (decrease the acidity). Tests with https://images.google.es/url?q=https%3A%2F%2Ficyshop.es%2F%3Fcollections%2Fsnus