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The Hair-Loss Toolkit

What is actually happening at the follicle, and the dose-response evidence for every "regrowth" supplement on the market.

4.84(187 reviews) 76 min

A four-module no-fluff walkthrough of the hair follicle cycle, the role of DHT, the difference between shedding and miniaturization, and the supplement and topical interventions with the strongest evidence at the doses that actually move the needle.

Your instructor

Dr. Owen Park

Trichologist, runs a hair-restoration clinic in Los Angeles. Co-author of two peer-reviewed papers on saw palmetto.

2 modules · 4 lessons

Module 1: The follicle, the hair cycle, the DHT story

  • Why hair loss is mostly about the follicle, not the shaftFree10m
  • DHT: the conversation everyone gets half-right14m

Module 2: The interventions that work

  • Saw palmetto + pumpkin seed: dose, timing, expectations16m
  • Biotin and keratin: when they help and when they do not13m
The Hair-Loss Toolkit
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