Review (5/5): I think it's very easy to apply and it lasts all day
I got a sample of this eyeliner from an Ipsy bag and recently purchased a new one here on Amazon. I think it's very easy to apply and it lasts all day; no smudging or flaking off. It's also very easy to remove even though it's waterproof. I use a cleansing oil and I have no residue left over after cleansing.
I definitely recommend this liner. It is a little more expensive than the drugstore brands but I feel the price it worth it for what you get.