Here are some natural exfoliants for your skin care regimen. Some are more "abrasive" than others so minimize their use to 2-3x per week. These are great when mixed with Raw honey.
Clays (Bentonite , French Green, Dead Sea, Moroccan, Kaolin,etc)
Orange Peel Powder
Acidic Juices ( Grapefruit, Lemon, Apple)
Dairy Products ( Milk, Yogurt, Sour Cream)