I can only buy ONE product, I have pretty good skin except for the fact that I have a few beauty marks, some blackheasand horrible dark circles and eyelid discoloration[they're like BROWN], and I need something to make me look airbrushed and flawless, I've heard good things about Benefit Boing, Benefit Lemon-Aid, and MAC Studio Finish Concealer, I've purchased the Studio Fix Powder Foundation, but that's not enough, so I've narrowed it down to those three, which one do you reccomend and why?

Thanks!

I use the Jean Paul Gaultier Le Male concealer. They sell it at Sephora.

Benefit Boi-ing is realllly good. Don't get lemon-aid because it is more of an eyeshadow primer. I haven;t tried studio finish but I heard good things about it.