This lip liner can be used to define, line and fill lips. When your lips aren't full enough, line your lips before applying lipstick. Pair it with your favorite lipstick to plump up your lips and make them last longer. Feature: Waterproof Soft texture Matte finish Fade resistant Smudge resistant1. When using lip liner, first use lip balm to make a base for your lips and moisturize your lips. Then use the lip liner to make a big fork in the lip peak and draw your favorite shape along the lip. 2. The advantage of using lip liner is that you can turn thin lips into sexy thick lips and adjust them to the thickness of your favorite lips. Use the tip of a lip liner to blend in and out, and finish with a cotton swab to clean the edges of your lip liner. 3. When choosing the lip liner color, we must choose something close to the lip color, so that the effect will be more natural, and the lip liner can not draw the whole mouth, don't draw too much. 4. After the lip shape is drawn, apply the lipstick of the same color inside the lip shape. Finally, use a cotton swab or lip brush to gently brush the junction of the lipstick and lip line, so that the lipstick and lip line blend together perfectly.