But, eyeliners are not one-size-fits-all and finding the perfect unicorn is no easy feat — especially when there are so many options available. That's why we rounded up our favorite ones and sorted them by type. Whether you're looking for a gel, liquid, pencil, or bright hue, there's something in this roundup for everyone. The one thing they do all have in common, though? They all clock in at less than $10. Check 'em out in the slides ahead.