Bluesky Shellac Top and Base Coat Set. Bluesky Shellac combines the ease of polish with the permanence of gels. It is a true innovation in chip-free, extended wear nail colour. It goes on like polish and wears like gels. Bluesky Shellac is a resilient polish that remains flawless for 14-days and removes in 10 minutes. Please note that Bluesky Shellac colours are the same as CND Shellac colours but Bluesky Shellac is not manufactured by CND.