Reproduced from pluscompare.com: I’ve been battling sebborehic dermatitis for at least three years now, and after seeing a dermatologist he explained that the condition was merely an overgrowth of yeast on the scalp and by treating it with a shampoo that contained 2% pyrithion zinc, I had a good chance of clearing it up, as yeast can’t survive in a zinc filled environment. He also told me that you have to leave any dandruff shampoo in your hair for five full minutes in order to give the medicine in them a chance to work. This is a terrific product that has greatly helped subdue the condition. Some other helpful information…