Natural Acne Treatments. There are a variety of ways people may attempt to achieve clear skin using natural acne treatment methods. One way is to go on a good diet that lets a person obtain all necessary nutrients. The next way is to do internal cleansing along with herbal supplementation. Taking a few powerful supplements can be a great help in order to achieve acne free and clear skin. Particularly increasing Omega 3 intake and limiting refined vegetable oil and sugar consumption can help significantly