Sally Hansen Double Duty Base & Top Coat is the ultimate 2-in-1 nail solution for a professional-quality manicure. As a base coat, it prepares your nails by creating a smooth surface and strengthening them with protective benefits. As a top coat, it locks in your nail color, providing a hard, shiny, chip-resistant finish that ensures your manicure lasts longer. With its dual functionality, this formula saves time while keeping your nails strong, glossy, and flawless.