The Laura Mercier Caviar Perfecting Lip Liner is designed to define and shape the lips, providing a perfect canvas for any lip color application. This liner anchors lipstick and gloss, preventing feathering and bleeding for a clean, long-lasting look. Its formulation ensures smooth application, offering precision without tugging on the delicate skin of the lips. Using this lip liner enhances the overall wear-time and visual impact of your chosen lip product.