Andrew Huberman· PhD
The major player in this whole story around inhibiting 5-alpha reductase and reducing DHT to maintain or increase hair growth is going to be finasteride and its close cousin, dutasteride.
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
The major player in this whole story around inhibiting 5-alpha reductase and reducing DHT to maintain or increase hair growth is going to be finasteride and its close cousin, dutasteride.
Every Sunday: the week’s new conflicts and verdict changes — and nothing else.
Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.
So by now, I think it will be abundantly clear why inhibiting 5-alpha reductase and thereby reducing DHT should increase hair growth because of the negative impact that DHT has on the hair follicle.