antimicrobially effective stabilized composition containing alkane bispyridinium

Water based composition comprising: a) 1 to 20% by weight of octenidine, b) 0.001 to 1% by weight of at least one stabilizer selected from α-tocopherol, 2,6-di-tert-butyl-4-methylphenol (BHT), tocopherol acetate, 2-tert-butyl-4-hydroxyanisole and / or 3-tert-butyl-4-hydroxyanisole (BHA), ascorbic acid and dodecyl. c) 0.1% to 20% by weight of at least one fatty alcohol polyalkoxylate; said composition being waterbased no quaternary ammonium compound such as cetylpyridinium chloride and benzalkonium chloride without aromatic alcohol such as benzyl alcohol and phenoxyethanol, without hydrogen peroxide or peroxide-liberating compounds without betaine and / or amine oxide as cocamidopropyl betaine, without aldehyde and silicone oils, for use in an oral antiseptic mouth treatment.