I was poking around and came across a very interesting website.
This man decided, 2 (oops 3!) years ago, to eat primally. Personally, I think he eats WAY too much meat, which was less prevalent for our ancestors than he seems to think, but I enjoyed some of the logic and reasoning behind his motives.
It's not scientific, obviously. It's his ideas, experience, and opinions. In actuality, it's closer to a natural version of Atkins. Having said all that, enjoy!
freetheanimal.com
Be sure to check out the parts on washing without soap and shampoo! I haven't used soap or cleansers on my face in about 20 years, and i have found a profound difference in my complexion vs. some of my peers.