The advantage of a lip brush is that it can accurately outline the outer contours of the lips, and can handle details that are not well handled such as the corners of the mouth. If you use a lip brush to dipped in lipstick, you usually use a thin and light color to paint the same color as the paste through multiple layers. You can see the different effects of different thicknesses. Because of the characteristics of lip brushes, makeup that generally requires lip effects, such as lip bite makeup, needs to be completed with a lip brush.