There was a rumor going around the internet that the solution that Swiffer Wet Jet uses is harmful to pets and it was proved false by snopes.com
Swiffer Wet Jet contains no poisonous chemicals in it's solution for cleaning floors. It's 100% safe for pets
Swiffer Wet Jet cleaner contains water (90-100%), propylene glycol n-propyl ether or propylene glycol n-butyl ether, and isopropyl alcohol (1-4%).
The ingredients are safe to use around pets when used according to the label directions and does not cause liver damage at those concentrations.
Propylene glycol n-butyl/propyl ether differs significantly from ethylene glycol.
Ethylene glycol is the active ingredient in antifreeze and can cause kidney failure in dogs.