I found this product very good for layering. It goes on beautifully, separating your lashes and coating them. You can build on the thickness and add drama by going over the same lashes several times. Very easy to remove, a bit of moisturiser takes it off without having to use makeup remover.
I didn't particularly like the wand as it seemed a bit slippery, but it's something that can be overlooked if you consider how wonderful the product is.