Biotin is useless. No clinical study has found any effectiveness. Vit D, despite low serum levels correlating with Androgenetic Alopecia, so far have showed zero efficacy when supplementing for Androgenetic Alopecia
The first study to report the effects of melatonin on hair growth compared topical melatonin 0.1% solution daily for 6 months in 40 patients with Androgenetic Alopecia or diffuse alopecia; efficacy was evaluated by trichograms to assess anagen and telogen hair.
After treatment with melatonin, patients with...
What is odd with prolactin is that it effectively shuts down testosterone production. The higher the serum prolactin levels the lower the production of testosterone, to the point where sperm production ceases, testes reduce in size, and facial hair diminishes along with libido.
However, this...
Professor Sinclair Hair Loss Q&A Megathread - June 2022
This Q&A thread officially begins on 1st June, 2022.
See the [original introductory post for background of Professor Sinclair](https://www.reddit.com/r/HairlossResearch/comments/u8d0bt/announcement_introducing_professor_rodney/) and his...
Maybe you can ask Professor Sinclair, who frequents the http://reddit.com/r/hairlossresearch sub on his monthly Q&As. He is running the trial in Melbourne
Biotin has never been shown to help with hair loss, unless you suffer from a serious biotin depletion condition. It is a complete waste of money. Check for studies in pubmed. No evidence of any efficacy at all
Preliminary Answers Provided by Professor Sinclair to some of the posted questions
**Question 1:** Does hypertrichosis as a result of Minoxidil treatment indicate anything regarding scalp hair efficacy?
**Prof Sinclair:** "Hypertrichosis is not a prerequisite for scalp hair growth, but when it...
[See post on Reddit sub] for background of Professor Sinclair and his offer to
run a Q&A on this sub-reddit.
**Professor Sinclair has kindly volunteered to answer Hair Loss related treatment questions on this sub-reddit as the resident-Expert. This is his first Q&A Megathread.**
Prof Sinclair...