The Eyeliner Pencil in Black color by Blinc is a reliable choice for those seeking a long-lasting waterline eyeliner. Claire, the reviewer, found it to be effective in preventing smudging and running throughout the day. She applied it at 10 a.m., and by 5:30 p.m., it was still intact. Although some slight fading occurred, the pencil maintained its overall performance. Claire recommends this eyeliner for individuals who have struggled with raccoon eyes or smudging issues in the past. With its staying power and ability to withstand daily wear, the Blinc Eyeliner Pencil is a solid option for achieving a flawless look.