Superior base and topcoat with brilliant multi-faceted diamond shine finish. How it works: - Sally Hansen Diamond Shine Base & Top Coat contains both coats in one dual-purpose bottle. - As a base coat, this exclusive formula with diamond particles, seals the nail surface, leaving a smooth, diamond-hard finish that grips nail colour. - As a top coat, the formula penetrates manicure layers and quickly dries to protect nail colour with a brilliant multi-faceted diamond shine finish. - Quick dry and smudge proof formula protects nail colour against chipping. - Dries to the touch in under a minute.