Over The Top. A smooth nail surface is the basis for flawless trend nails. Used as a base coat, the high-performance Power Gel 2in1 Base & Top Coat evens out all unevenness and acts like a protective shield for the nails. Applied as a top coat, it extends the durability of the favorite polish and gives a glossy finish in the trendy gel look. The anti-yellowing formulation also enhances the brilliance of any nail polish color.