Wink big in SinfulColors Stop & Stare Gel Eyeliner in Intense. This plum colored gel eyeliner has a lightweight, comfortable feel. The smooth, creamy gel texture glides easily across the eye for smooth application and a sharpenable pencil design keeps the gel liner tip from going dull. Wear SinfulColors Stop & Stare Gel Eyeliner your way. Line your upper and lower lashes, blend with other colors for a unicorn-inspired look, or use all-over your lids to create a high-impact, artistic look. Available in four iridescent shades â find your favorite or collect them all to create countless combinations of trendy, shimmery looks.