Guerlain has reinterpreted the single eyeshadow, an essential must-have for everyday wear. Each shade incorporates Guerlain Lastever technology, which coats the pigments in a gel to keep the shadow in place all day long without settling into creases of fine lines while ensuring optimal comfort. How to use: Use the shadow brush to apply eyeshadow on the entire surface of yoru eyelid for a natural and luminous makeup. For darker shades, apply the liner brush vertically along the lash line for a perfect eyeliner effect. Style Name: Guerlain Mono Eyeshadow. Style Number: 1087129. Available in stores.