This waterproof liquid eyeliner pen. The quick-dry smudge proof liquid eyeliner formula instantly enhances the lash line with long lasting color. The felt tip pen applies color smoothly without smudging, feathering, or running for complete precision.Directions: Using the tip of the pen, draw from the inner to the outer eye corner, sticking as close to the lash line as possible. Slant the pen to create a thicker line. Shake well before each use.