If someone invents a better way then finasteride to stop androgens safely and proves it works with solid evidence like propecia has I really doubt you would meet lots of resistance. Plenty of guys are ready and waiting to drop propecia in favor of a safer way to achieve the same results. This discussion along with many other topicals already out there will result most likely in nothing that meets this criteria. Yes finasteride changes a lot of things and other pathways we already knew that along with sexual sides yes we knew that too. You want to keep your hair your take propecia or just live with going bald or waste your money on other things.