The basics blinc is the original liquid eyeliner invented to form a water-resistant "layer of color" that contours your eyes. The benefits Ideal for those with sensitive eyes, contact lens wearers, performers and active people in search of eyeliner whose look, hold and ease of removal is without compromise. The uses Create precise, water-proof, opaque black lines that will not fade, smudge or run, even if you cry or rub your eyes.  The bottom line In an easy to use, convenient, marker-tipped pen, blinc's felt tip eyeliner can be applied with precision.