The Sally Hansen Double Duty Base & Top Coat is a versatile 2-in-1 nail product that strengthens your nails while providing a strong, chip-resistant finish. As a base coat, its Panthenol formula smoothens the nail surface for better color adhesion. As a top coat, it uses Nylon and Pro-Vitamin B5 to shield nails with a durable finish. Ideal for achieving a longer-lasting, flawless manicure, this product is salon tested and easy to use by applying it on bare nails or over dry nail color. A must-have for anyone wanting stronger and more resilient nails.