Essie Nail Corrector Pen at Nordstrom.com. The Nail Corrector Pen cleans excess nail polish quickly and effortlessly! Painting your own nails has never been so easy. This innovative tool is ideal for quick and convenient manicures and pedicures when you need to clean up right around the nail without messing up your paint job. It's easy to use, travel-friendly and refillable... and pink!