What it is: An eyeliner with an ultra-precise, pen-like tip for superior control and accuracy. What it does: This is stila's number one-selling waterproof liquid eyeliner formula, now with an even finer, ultra-thin tip that lets you line and define with precise strokes. Stay All Day® Waterproof Liquid Eye Liner - Micro Tip is perfect for filling in the spaces between lashes, quickly and easily making lashes appear fuller. The formula glides on with ease, dries quickly, and won't smudge or run—from day into night. What it is formulated WITHOUT: - Sulfates - Phthalates