Hair-Growth Supplements: What’s Proven and What’s Oversold

Biotin, vitamin D, iron, zinc, selenium, marine complex: a researcher ranks the evidence and names the ones that can actually backfire. No hype, just numbers.
Articles on hair loss and scalp health, from the biology of androgenetic alopecia to the treatments that actually hold up in the research.

Biotin, vitamin D, iron, zinc, selenium, marine complex: a researcher ranks the evidence and names the ones that can actually backfire. No hype, just numbers.

By Philippe Boissard, hair-loss researcher and author. M.Sc., Aalborg University. Updated June 2026. A 22-year-old notices his hairline isn’t where it was at 16, panics, and spends a month convinced he’s going bald. Sometimes he’s right. Often he’s just watching…

By Philippe Boissard, hair-loss researcher and author. M.Sc., Aalborg University. Updated June 2026. Almost every man starting out asks the same thing: finasteride or minoxidil? People treat them like rival teams you have to choose between. They’re not rivals. They…

Hair cloning headlines keep circulating. Here is what reactivation vs. true neogenesis actually means, what PP405 showed in Phase 2a, and when a real cure might arrive.

Dutasteride suppresses about 90 percent of DHT versus roughly 70 percent for finasteride. Here is what the head-to-head trials actually found, and the catch.

DHT shrinks hair follicles in men who are genetically sensitive to it. Here is exactly how that happens, why the pattern forms where it does, and what actually stops it.

Clascoterone 5% (Breezula) blocks DHT at the scalp receptor without systemic exposure. Phase 3 results, honest numbers, and what they actually mean for men.

A reset is systematic reassessment, not abandonment. Five steps: re-verify diagnosis, audit protocol, evaluate timeline, identify escalation move, reckon with realistic expectations.

Diet for hair loss is real but secondary. Mediterranean has the data. Keto has a transition shedding phase. Plant-based is neutral when nutrients are managed. Honest read on what diet can and cannot do.

Pumpkin seed oil for hair has one positive trial (Cho 2014) and a thin replication record. Honest read on what the literature supports, where it fits, and the dose that matters.