Filing your nails is a good way to keep a uniform length and shape. However, it’s easy to file your nails incorrectly, which can lead to jagged, frayed nails, and even nail bed or cuticle damage.

Electric, salon-quality drills—or electric nail files—are jack-of-all-trades devices, featuring a range of interchangeable heads designed to file, buff, and polish your natural or acrylic nails.

Nail-care company Orly’s creative director, Fiona Hay, says fleshy pinks and nudes are great for all seasons. We ask her how to get Kristin’s girly nails. 1. File and buff nails into desired ...