I haven't been a regular user of black pencil eyeliner in the waterline for many years and for quite some time I relied only on a classic black eyeshadow applied with a thin brush, as they tend to last longer than eyeliner formulas I've tried before Maybelline's pencil. Before I found this I liked two eyeliners, Avon's Supershock, which is amazing, but I'm not an Avon member and Urban Decay's 24/7 Eyeliner that's quite expensive. With Maybelline I finally found something easily accessible and reasonably priced. I got this after I saw a rave review from Gemma, who's one of the bloggers I trust most. I got this to wear in my waterline as I don't wear such pencils on my top lash line and use liquid liner instead.

Formula: It's very similar to Avon's Supershock in terms of formula - it's intensely black (shade Deep Onyx), very pigmented, soft and transfers with ease into the waterline. There's no need to go over and over the line to make it intense and once it's on it stays where it should. It's easy to draw on the top lash line too, though on some parts I need to go over the line again to make it more intense and it's obviously not like a proper liquid eyeliner. Despite being soft, it surprisingly doesn't need to be sharpened that often, but it's still more than at regular pencil liners. 
Staying power: This lasted 14 hours on my waterline, as you can see on the picture below. This looks like freshly applied for a long time and even as it fades, it doesn't smudge or ru...