I started taking Nizoral shampoo (active ingredient ketoconazole) a couple of weeks ago. I think around the 22nd of October. So it's been a couple of weeks now.
I think it's an anti-fungal and anti-dandruff shampoo and i have been using it on my face and scalp after a shower. I remember seeing it being mentioned as somehow working for acne as well, i think it is supposed to be a DHT inhibitor, or something like that, it can reduce sebum production maybe. I have never bothered with it in the past because of the DHT bit and possible side effects, by my brother left some around and i was f'ing pissed off with spots so just thought i'd try it. My brother has been using it to try and stop hair loss and he's clear when he used to get the odd spot, but could just be coincidental as i've been using it every day for 2 weeks and so far so nothing.
If anything my skin on my face and scalp has been shit whereas as my body - chest and back are pretty much clear. Doesn't mean it's the shampoo that has broke me out though.