What it is: Formulated to withstand everything from tears to inclement weather, Le Stylo is eyeliner that's here to stay.What it does: This waterproof formula features a unique twist tip that never needs sharpening and it won't skip, smudge or streak. How to use: Apply eyeliner directly onto the lashline. Get as close to the lashline as possible on both top and bottom lashes. For a smoky effect, hold the smudger side of your pencil vertically and feather up.