Many dog parents are concerned that using a Swiffer with a pet in their house is unsafe. But it has been noted that swiffers mostly contain water and a very little amount of alcohol and ether.  You can be assured that this combination is safe to use around pets as long as it is used in moderation. This is just a popular myth that this compound can be harmful to the liver of your dog. The truth is that with a negligible amount of alcohol and ether, your dog is absolutely safe.