yeah, as leap suggests; Nizoral; minox; and this shampoo works. Somehow. I don't think the mechanism is clearly understood, but it does work.
http://www.amazon.com/gp/product/B007SZCG0C/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1
I have hair like horsetail. I have to get a cut every three weeks. I don't have the MPB problem, but friends swear by this stuff.
I would have never thought a topical with caffeine.. Now that's cool! And think I have the mpb as crown does have..well, can see skin. And actually didn't know it until the eldest pointed it out. Used a mirror in a mirror, and just damn...