long lasting eyebrow liquid tattoo pen After night face washing, remove any water and oil away before drawing your eyebrows meticulously with the Eyebrow Pen Liner (If you draw on a make-up base or color make up, you will get less effect) - Draw your eyebrows to your desired skewness - Then modify the area where requires a modification with a cotton swab lightly before it dry. - Recommend to use it 1-2 hours before going to bed in the night.