The present invention relates to a stable and effective sanitizer formulation for indirect food contact applications. The formulation contains: (a) an antimicrobial active agent selected from the group consisting of biguanides, monoguanides, and combinations thereof; (b) a dialkyldimethyl ammonium salt, and (c) a compound selected from the group consisting of an alkyldimethylbenzyl ammonium salt, an alkyldimethyl(ethylbenzyl) ammonium salt, an alkoxylated alcohol, and combinations thereof.