Yves Saint Laurent Beaute Couture Eyeliner 11 The Couture Eyeliner in metallic grey highlights the eyes with a pop of shimmer. The Spring Shimmer Rush Collection is a must-have for creating luminous looks with an eye-catching futuristic spin. Inspired by frosted pastels and the luxuriousness of natural shimmer, these products enhance radiance allowing makeup looks to dazzle all day and night. The collection includes the Highlighting Face Palette, Couture Eyeliner in Metallic Grey, and La Laqu.