To prevent this from happening agai

To prevent this from happening again, clean off the bottle with nail polish remover. If you have recently done your nails and don't want to use cotton pads or felt, you can put a few drops of thinner on the bottle instead. - See more at: http://www.polishinsomniac.net/2012/10/how-to-unstick-bottle-of-polish.html#sthash.Y5MrhG4A.dpuf