Male pattern baldness, do these remedies work?

OK call me Mr vain!! i read an article about two international teams from Kings college London and the Mc Gill university in Canada that they made a breakthrough after discovering that a gene in stem cells that can regrow hair on skin of mice. So i visited the web page of the doctors involved and on their page whether they recommended it i don’t know, was a treatment called PROVILLUS, THERE WAS ALSO A FORUM WHERE SOME OF IT’S USERS SAID THEY SEEN IMPROVEMENTS AFTER SEVERAL months of use, has anyone out there used it and had success or am i just wasting my money?? and if it is successfully do you have to keep buying and applying for ever??? and hey constructive answers only please…cheers for any help regarding this enquiry……..and I’m not totally bald but thinning on the top !!!