An all in one double duty base and top coat that works double time, for double protection. It has a patented strengthening formula with nylon to give you strong, shiny, chip-resistant nails! As a Base Coat, Double Duty moisturizes and hydrates nails with panthenol-strengthen pro-vitamin B5. It smoothes the nail surface and improves nail color adherence for longer-lasting results. As a Top Coat, Double Duty protects nails with nylon, a proven nail-building hardener. Nails are shielded with a hard, shiny, chip-resistant finish. Double Duty gives you more perfect manicures and stronger, more beautiful nails! NO more worries on safety as it is both salon and dermatologist tested. Great value for money.