Rimmel London Super Gel STEP1. The Rimmel London Super Gel nail polish with patented 2-phase technology guarantees your nails a gel finish without the need for an LED/UV lamp, offering a unique color and high shine. Why will you love the Rimmel London Gel Nail Polish? The gel-look nail polish features unique shades, a wide color palette, high shine with a 3D effect, lasts up to 14 days without UV light/LED, and is easy to apply in two steps.