Nail polish stains are one of the toughest to remove from any fabric. If you don't act quickly enough and clean them immediately, then the stain will dry up and stay forever on the fabric. Getting a fabric stained with nail polish is also relatively easy, just one second of carelessness in you have stained your shirt, or carpet, or the upholstery. If such disasters happen you should always know what to do, so here are few useful tips that will help you learn how to remove nail polish stains from upholstery.