With an improved formula and felt tip, this easy to use pen-style liner delivers the blackest black, perfect-every-time, line. Inspired by the crisp cat-eye looks of silver screen sirens, this eyeliner is destined to be your go-to trick for standout eyes every time. Click here for Bobbi Browns Eyeliner Guide. Fine, felt-tip liquid liner pen Bobbi Brown Ink Liner, Blackest Black - 0.02 fl oz/0.05 ml