Composition intended for buccal absorption of nicotine into the system circulation and distribution to the central nervous system for the purpose of smoking cessation or nicotine substitution in conditions adverse for smoking according to the invention contains nicotine solution in form of a base and/or its salt with organic acid in concentration 0.01 to 8.00% by weight and substances with mucolytic effect. Single application dosage contains 0.05 to 3.00 mg of nicotine.? WO2010091649A2