For those wanting a thinner top coat, Terra Beauty Bars No. 20 is a 2-in-1 base and top coat lacquer to help adhere nails to base and seal as a top coat. The No. 20 Top and Base Super Coat was crafted to work as a base and top coat, while providing nutrients and shine to nails. Seal in color and prolong nail polish wear. Terra Nail Polish is a 10/free natural nail polish that is safe, clean and beautiful.