NYX Professional HD Studio Photogenic Wand Concealer Corrector - Porcelain - CW01 Light shade blue undertones: Lightweight formula covers imperfections, discolouration and under eye circles for natural look, without looking cakey. One of Nyx’s best-sellers. Concentrated emollient-rich liquid glides on for medium to heavy coverage. For contouring and highlighting choose 2 shades darker or lighter than your skin tone.