In the video, a woman is seen applying lip liner to her lips. She starts by outlining the upper lip and then moves on to the lower lip. The woman carefully follows the natural shape of her lips, ensuring that the liner is applied evenly and precisely. She uses a lip liner pencil, which is a common tool used for defining the lip line and creating a clean, sharp look. The woman's technique is meticulous, and she takes her time to ensure that the liner is applied correctly. The video provides a close-up view of the woman's face, allowing the viewer to see the details of the lip liner application process. Overall, the video is a helpful tutorial for anyone looking to learn how to apply lip liner effectively.