How to Make Charcoal Facial Soap

According to The Soap Queen, Charcoal face soap seems to be everywhere right now, along with charcoal face makes and bath bombs.  When I think of charcoal, I think the stuff from the BBQ and why would I put it on my face? But from reading the post called How To Make Charcoal Facial Soap, it binds to dirt and oil and pulls it out of pores, leaving your skin clean and refreshed.  Because of its oil absorbing properties, it's especially fantastic for oily skin.  Since it does that I may just have to try this soap on my oil skin.