I think this mascara is great. The brush is different than most and reaches lashes well. It has this small opening to wipe off excess mascara from the brush to reduce clumps and prevent too much mascara. This works ok. I find that there is less mascara on the brush but still more than I prefer.
Define A lash gives great definition and my lashes are sooo long yet looks very natural. It doesn't hold a curl well though so I might want to try the waterproof version... but overall this would be one of my everyday mascaras. It clumps a bit at times but nothing major, I haven't had smudging problems either. It flakes sometimes though