Oatmeal for oily skin?

Ok so I have oily skin, and I've heard that washing your face with oatmeal and water is good. (Bubzbeauty- Beautiful Skin Remedy)Then after I mousterize with oil free moisturizer. So for around 3 days I've tried this but my oily-ness is the same. I hav'nt used makeup for a week. When will I see results??