1. Prepare nars lipstick pen and pencil sharpener for lipstick pen.
2. Open the lid of the lip liner pen and remove the lid and plug of the lipstick pencil sharpener.
3. Put the lipstick pen in the pencil sharpener. The thicker hole is used to sharpen the lipstick pen.
4. Slowly start turning the lipstick pen like a pencil. Note that the texture of lip liner cream should be soft, so the action should be gentle.
5. Turn to lipstick length without affecting normal use, and take out the lipstick pen.
6. Wipe the pencil sharpener of the lipstick pen with a paper towel and assemble it.