Put mouthwash in your mouth? Some of the ingredients you don't even want to put down your drain.
Nothing tells you what you need to know about government wishful thinking than efforts to stick flouride in everything. Sure, it fights cavities but it is also linked to cancer and neurological diseases. You'd best stay away from it until the science is more clear.
Want a simple recipe for mouthwash that won't kill fish due to alcohol content or give you brain damage?
Baking soda or sea salt
A drop of peppermint
Really, that's it.
Earthtalk: Spit Out The Mouthwash by Roddy Scheer and Doug Moss, The Daily Mamaroneck
Mouthwash? Not A Great Idea - Unless You Make Your Own