http://www.acne.org/messageboard/index. ... e=threaded
I decided to experiment with peppermint oil, since it is really easy to acquire at any place that sells aromatherapy oils. I was afraid of systemic absorption with licorice (which looks more promising in some respects) which can do all sorts of nasty things.
Well to put it succinctly, I diluted peppermint essential oil with distilled water 1:5, shake just prior to application (as invariably they will separate somewhat) and rub a few drops into my skin after showering. This is done twice daily. It has been a week now, and there is a marked decrease in sebum secretion. only the slightest trace of oil can be seen after 12 hours or so. I have a few acne lesions which have "dried up" and appear to be going away. I also have not had any new lesions form. I didn't have a lot of acne to begin with, but oily skin that would result in at least a few pimples, that seems to be largely taken care of now.
The smell is a bit strong, and your eyes might start watering upon application. Also the addition of extra water to the skin after application will make your skin tingle to the point where it's painful. I'm not sure if a weaker solution will have the same effect.
So if your willing to shed a few tears and come away smelling like a breath mint, this could be a solution to oily skin.