http://www.forbes.com/sites/matthew...omise-in-treating-male-baldness/#57a40d391600 "The treatment is a topical solution that is rubbed on the head. It works, Samumed says, by affecting the Wnt pathway, a fundamental signaling pathway discovered in fruit flies (w stands for â€œwinglessâ€) that is crucial in the development of embryos and in cancer in all animals. " why cancer of all things?? the studies are too short to show safety. :/ As much as I want my hair back I don't want to risk getting cancer.