product A liquid liner with an ultra-fine, flexible brush that allows for easy, precise application in a single stroke. composition The latex-based water-resistant formula delivers intense colour with longwearing results. how to apply Use the tip of the liner to trace the upper lashline from the inner corner of the eye outward. Extend the line toward the tip of the brow to create a cat eye. For a bolder look, lay the brush flat against the lashline to draw a thicker line.