The Laura Mercier Caviar Perfecting Lip Liner is designed to provide precise definition and a flawless base for your lipstick or gloss. Its creamy yet firm texture allows for smooth application, preventing feathering and bleeding of lip color, ensuring long-lasting wear. Use this essential tool to outline the natural shape of your lips or create an enhanced contour before applying color. It serves as an excellent primer layer to boost color intensity and significantly extend the longevity of your chosen lip product.