There’s nothing more frustrating than getting home from the nail salon after a lovely manicure only to realize that one of your nails is smudged. Luckily though, instead of feeling resigned to running back to the salon for a fix, you can try this cool trick we learned from PureWow. As long as you have the nail color you need, you can do this any time you smudge your nail polish. No more redoing the entire nail: