I like to wear a sharp, inky-black cat eye on the regular. Time after time, friends, coworkers, and strangers have asked me the same question: "What eyeliner do you use?" There's nothing that brings me more joy than smugly telling them it's a $6 pick from Amazon. I have been religiously swiping Wet & Wild Megaliner Liquid Eyeliner ($6) on my lids for 10 years now.
MegaLiner Liquid Eyeliner comes in a small tube with a screw-top handle. The applicator, a flexible spongy brush, is easy to maneuver as I glide it across my skin. The harder you press, the thicker the line becomes, so you have a lot of control over the intensity of your look. The formula itself is smooth and matte. All it takes is one coat to get a pleasing obsidian-dark effect.