It happens to the best of us—even when you finally master your at-home shade, you may find some hair dye sticking around on your hairline, ears, scalp, neck, or hands. Not to fret (or go running to the salon, color-stained head hung low): You can clean up those areas pretty quickly, before anyone realizes the tops of your ears are tinged strawberry blond. Here are four foolproof tips to remove hair dye from your skin, straight from a pro colorist: