This also doesn’t explain why no treatments work that well. If someone understood hairloss myths that well then people wouldn’t be paying $200/mo for treatments that barely work.
Only thing that actually worked well with minimal sides was Dr. Richard Lee’s Xandrox products from the early 2000s. FDA shut him down.
Personally I have very low dhea and dht and still have hairloss. That being said, dhea increases my shedding noticeably within weeks.