Formulating anhydrous scrub bars for different skin types

I love love love scrub bars for my body and my feet. Like sugar scrubs, they offer moisturizing by trapping in water from your shower or bath after exfoliating all that non-desquamated skin from your stratum corneum. (Okay, I don’t really say this in real life. I usually say, “Pretty” or “Nice”!) So how can…