Chroma Gel 1 Step Gel Nail Polish is developed to give you a quick, flawless and long lasting gel nail polish colour that last up to 2 weeks. It's so advanced that you don't need a gel nail polish Base Coat, Top Coat or even gel cleanser. Capable of setting in both UV and LED light (LED is quicker) you can have a full set of gel nail polish in just 15 minutes.