I was given a sample of this mascara by a work college and was surprised by how much I liked it. It's not my go-to mascara but I do keep it at work in case of an emergency. The rubber brush is really good and helps prevent clumping.
My eyelashes look so much longer after applying this product. There is no clumping and my lashes are nicely separated. However, it did smudge all over my under eyes by the end of the day. My skin is very oily so I though a waterproof mascara would prevent smudging but it didn't do that at all. Still a good mascara overall. Just make sure to bake your under eyes to avoid smudging.
This is a really lovely product, and completely lifts your face! The subtle luminosity is perfect for when you're tired or a little dehydrated. I don't love the applicator, but I apply it onto a (clean) finger then onto my face instead which works just fine.