BOURJOIS- Mega Eyeliner Black 01 Dark BlackBourjois first liquid eyeliner with an angled tip to create a thick or thin liner flick. 24 hr hold. Create a flirtatious flick! Use the thick side of the soft felt tip to create a thick, intense liner flick. Or use the thin side of the tip for a more subtle everyday flick. Its ultra intense black formula provides a striking look from the first sweep, with up to 24hr hold.