I love the fact that if you screw up,. you can use your finger, Q-tip,.. etc and smudge that darn line back into place,..that is harder to do with regular liquid liner really gives me a terrifically straight line and great cat eyes. Keeping my fingers crossed for the liquidlast,.. but the big difference for me about these two things besides color choice is versatility. I base out my e/s with fluidlines often as well and trust me after 4 hours of sweatin in the club,.. and my e/s still looks fresh,.. well that has me devoted,...