I finally got around to using this mascara from three boxes ago, and I'm so glad I did! I grabbed it in a rush as I was getting ready for a big event and realized that I was out of my usual mascara. SUCH A GREAT SURPRISE! The black was truly black, and the formula didn't bother my sensitive eyes or contacts. It stayed put all night and didn't flake the next morning, too(yes, I slept in my makeup and then booked it to work without removing it the next morning. SUE ME.). This is really good stuff, and I likely will make it a staple. Great sample!