Head gets oily after not touching hair?
General Questions
Diet also plays a certain role in this. And sometimes genetics.
The biggest things I know that seemed to always make me more oily were animal products.. Excessive sodium intake.. and granulated Sugar..
I'm not saying you are personally consuming these things.. However, it may be worth paying attention to how much of these things you are consuming, and try and experiment. See how your body reacts to certain foods.