Top and Base Coat

• Essie 3-Way Glaze, $8
• Testers loved the simplicity of an effective base coat, top coat, and strengthener in just one bottle. This formula adheres well to polish, provides a high-gloss finish, and prevents all your hard work from chipping away.
• To buy:nordstrom.com.

Sally Hansen Complete Care 4-in-1 Treatment, $13
Another all-in-one formula that produces a super-shiny finish and smooths ridges.

To buy: At drugstores.