When using a lip liner, first use lip balm to prime the lips to moisturize the lips, then use the lip liner to draw a large fork at the peak of the lip, and draw your favorite shape along the edge of the lips.
The advantage of using a lip liner is that you can turn thin lips into sexy thick lips, and you can adjust the thickness of your lips to your liking.
Use the lip liner tip to apply from the outside to the inside, blending better with the lipstick color, and finally clean the edge of the lip line with a cotton swab.
When choosing a lip liner color, be sure to choose a color close to the lip color, so that the effect will be more natural, and the lip liner cannot fill the entire corner of the mouth, so don't draw too much.
