Makeup artists love gel liner. It's crazy-pigmented, dries quickly, stays put for hours, and glides on like butter when applied. But here's the problem: you have to apply it with an angled eyeliner brush. Luckily, a new generation of eyeliners is changing this. Instead of a pot, brands are squeezing the thick, gel/cream formulas into mess-free pens and tubes. Click through to check out some of the latest must-trys on the market. These liners are changing the cat-eye game as we know it