Abstract: A composition, usable for removing a biofilm and necrotic or infected tissues from a skin lesion, comprises ethanesulfonic acid or 1-propanesulfonic acid and a proton acceptor. The proton acceptor is selected from the group consisting of: dimethyl sulfoxide, silicon dioxide, tetraethoxysilane, and mixtures thereof. The aforesaid composition can be prepared in the form of a gel.

Abstract: A composition, usable for removing a biofilm and necrotic or infected tissues from skin lesions and lesions of the oral cavity, comprises methanesulfonic acid 99.0% and a proton acceptor. The proton acceptor is selected from the group consisting of: anhydrous sodium carbonate, 5 -amino-2-mercaptobenzimidazole, ethylenediaminetetraacetic acid tetrasodium salt, sodium gluconate, sodium tartrate dihydrate, 2-mercapto-5-benzimidazole sodium sulfonate, dimethyl sulfoxide, polyethylene glycol 400, polyethylene glycol 600, silicon dioxide, tetraethoxysilane, and mixtures thereof. The aforesaid composition can be prepared in the form of a solution, gel or cream.