What is the best exfoliating Mask?

Omg! wow. SO im DARK skin african american. I got oily face around t-zones..ie forehead and nose. I need a mask or something that can get rid of dead skin cells. Ok so my forehead is like darker then my skin. put if i like put some wiped on i see like dirt. IKR!!!!EWWWW!!! I get it. So i need something to get rid of the dirt. something i can buy cuz im too darn lazy to make something. again i have oily skin so i dnt want more oily and i got breakouts so don't wanna irritate them. Not something to rough or Intense. Im such a baby. lols:) But yea that would be nice. Ps im kinda young not old like under 21 young so no old lady stuff.