Regarding the continuing bad reviews because of the active ingredient, benzalkonium chloride, let's remember what this product is. If you are seeking a product that will sanitize your hands, then you are trying to find something that will KILL bacteria and viruses that might be present there. You can not have a product that kills microbes and yet doesn't have any negative effects on living tissue. Of COURSE the ingredient can be toxic in large quantities, and of course you wouldn't want to use tSee full review