Nars Cosmetics Duo Eyeshadow. Shades to inspire and desire. The same longwearing crease resistant formula as Nars single eyeshadow, in uniquely paired colour combinations. Worn together or alone, all duo eyeshadows can be applied sheer or built up for a more dramatic effect. All powder eyeshadows can be used wet or dry. Richly pigmented, micronized powder formula provides improved wear and feel, Effortless blending; coordinated in fashionable pairs.