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.