Lumene Blueberry Curl Mascara contains blueberry seed oil to condition the lashes, while the brush has a flat side to help press the lashes into a curl form. The brush is on the smaller and thinner side (my preference) and it provides great definition to the lashes.
The Lumene mascara coats wonderfully and I have had no issues with clumping. Instead, I simply get long, nicely defined lashes with Lumene's mascara. As for curling, I can also get it to curl some, but honestly, I think that pre-curling with an eyelash curler is always the best option. I don't love this mascara for its curing factor, I love it for the well defined, clump free lashes that it provides. With that said, it does curl better than a number of other curling mascaras that I have tried (most of which don't actually curl at all)