I just got this so I don't know about staying power, but right away I liked how it goes on smooth without tugging too much at the skin. The white on it's own (before foundation) seems to brighten the eyes. I have medium dark skin so the lightest brown worked best to cover my dark eye circles, and the medium brown was great at covering any dark blemishes without caking it on. I am definitely liking how light and non-greasy it feels on my skin, despite how it looks in the palette.
I will keep testing this and confirm if it's just as good as my expensive brand.
update: I used the concealer around my eyes for 24 hrs in snow (cold/wet) and indoor (heat) weather, and I was so impressed that it didn't disappear and stayed put! My expensive brand has a truer colour match, but this outlasted the expensive one + it's cheaper. I'm sold!