Is it just us, or does purchasing the right eyeliner feel like a crapshoot? You can walk down the beauty aisle, money in hand, perusing the shelves, reading every description on every product before settling on one that you hope won’t smudge when the temperature rises. The truth is you never really know if you’ll get a return on your investment until you take it home and try it for yourself, and by then, it could be too late. To make sure you never get stuck with another subpar product again, we tried them for you in the dead of summer. Ahead, shop the 17 best smudgeproof eyeliners, from pencils to liquids, that you won’t regret spending your hard-earned money on.