Cook a serving of oatmeal with a reduced amount of milk to ensure super thickness. Use the mixture as an extremely powerful exfoliating mask for 10 minutes.
Add a couple of bunched of mint to water, boil and strain. Add the mint water to your shampoo bottle (use a 2-1 shampoo to water ratio). Use your shampoo and conditioner as usual and watch your oily hair disappear. Well your hair wont disappear just the oil in it.