It really is good.
My BF has some thinning on top and I have been using it to help it.
I know there are still skeptics about this stuff, but I have gotten great results from it. I have been dying trying to find out how a little cream can speed up hair growth so fast. With the help of a doctor friend, I got more info.
Like everyone was saying, it does kill the bacteria that we get in the keratinized areas (nails skin hair). There are bacteria that thrive on the sebum that is on our scalp. Good flora bacteria are able to control the "bad" bacteria so that our hair and nails can grow properly, but antifungal meds are taking it to another level. But, still the antifingals are probably killing the flora, as well. I feel a little wierd about that. Flora is good, so I don't think I would want to use it for long periods of time.
Also, I found out that anti-fungal drugs have a side effect that inhibits androgen production. Basically they are DHT blockers and that is why they are also used to slow the balding process in men. Apparently androgen production has something to do with Prostate cancer, also. Some men are given high doses of ketoconazole as treatment.