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The Science of Healthy Hair, Hair Loss and How to Regrow Hair

Huberman Lab

The Huberman Lab podcast is hosted by Andrew Huberman, Ph.D., a neuroscientist and tenured professor in the department of neurobiology, and by courtesy, psychiatry and behavioral sciences at Stanford School of Medicine. The podcast discusses neuroscience and science-based tools, including how our brain and its connections with the organs of our body control our perceptions, our behaviors, and our health, as well as existing and emerging tools for measuring and changing how our nervous system works.
Huberman has made numerous significant contributions to the fields of brain development, brain function, and neural plasticity, which is the ability of our nervous system to rewire and learn new behaviors, skills, and cognitive functioning. He is a McKnight Foundation and Pew Foundation Fellow and was awarded the Cogan Award, given to the scientist making the most significant discoveries in the study of vision, in 2017. 
Work from the Huberman Laboratory at Stanford School of Medicine has been published in top journals, including Nature, Science, and Cell, and has been featured in TIME, BBC, Scientific American, Discover, and other top media outlets.
In 2021, Dr. Huberman launched the Huberman Lab podcast. The podcast is frequently ranked in the top 10 of all podcasts globally and is often ranked #1 in the categories of Science, Education, and Health & Fitness.

In this episode, I explain the biology of hair, hair growth, why hair growth slows and what causes hair to stop growing and/or “fall out.” I discuss the essential role of hair stem cells and other supporting biological factors for healthy hair growth. Then I describe various approaches (mechanical and chemical) to slow hair loss by increasing blood flow to hair stem cells, including minoxidil, tadalafil, PRP, microneedling, Botox and ketoconazole treatments. I also discuss how age-related hormone changes cause hair loss and explain the effectiveness of treatments such as caffeine, saw palmetto, growth hormone, finasteride and dutasteride. For all hair growth options, I describe potential side effects, how soon to expect results and the amount of hair regrowth to expect and I highlight effective combination treatments for hair regrowth even in hair “dead” (bald) zones. For many listeners, thinning, brittle hair, or pattern baldness are a source of anxiety and stress. This episode explains the mechanisms underlying hair regrowth tools and the science behind them so that you can evaluate potential treatments and associated side-effect profiles and select the best one(s) for you.
For the full show notes, visit hubermanlab.com.
Thank you to our sponsors
AG1 (Athletic Greens): https://athleticgreens.com/huberman
LMNT: https://drinklmnt.com/huberman
Waking Up: https://www.wakingup.com/huberman
Momentous: https://www.livemomentous.com/huberman
Timestamps
(00:00:00) Hair
(00:04:29) Sponsors: LMNT & Waking Up
(00:08:04) Psychological States & Hair
(00:13:19) Hair Anatomy & Stem Cells
(00:26:05) 3 Phases of Hair Growth
(00:32:06) Sponsor: AG1 (Athletic Greens)
(00:36:55) Minoxidil & Blood Flow
(00:45:37) Increase Blood Flow: Massage, Tadalafil, Platelet-Rich Plasma (PRP), Microneedling
(00:56:10) Microneedling, Minoxidil & “Dead Zones”
(01:01:25) Botox Treatments
(01:06:27) Androgens, Hair Growth & Pattern Hair Loss; Scalp vs. Beard Hair
(01:15:46) Topical Caffeine & Slowing Hair Loss
(01:21:06) IGF-1: Growth Hormone & Sermorelin; Insulin Sensitivity: Myo-Inositol
(01:25:52) Iron & Hair Growth
(01:27:04) 5-Alpha Reductase & Saw Palmetto; Curcumin
(01:33:22) Ketoconazole & Offsetting Hair Loss
(01:38:46) Topical & Oral Finasteride
(01:51:00) Post- Finasteride Syndrome
(01:56:01) Dutasteride
(01:58:53) Mechanical & Chemical Stimulation for Hair Growth
(02:02:46) Zero-Cost Support, YouTube Feedback, Spotify & Apple Reviews, Sponsors, Momentous, Social Media, Neural Network Newsletter
Title Card Photo Credit: Mike Blabac
Disclaimer

In this episode, I explain the biology of hair, hair growth, why hair growth slows and what causes hair to stop growing and/or “fall out.” I discuss the essential role of hair stem cells and other supporting biological factors for healthy hair growth. Then I describe various approaches (mechanical and chemical) to slow hair loss by increasing blood flow to hair stem cells, including minoxidil, tadalafil, PRP, microneedling, Botox and ketoconazole treatments. I also discuss how age-related hormone changes cause hair loss and explain the effectiveness of treatments such as caffeine, saw palmetto, growth hormone, finasteride and dutasteride. For all hair growth options, I describe potential side effects, how soon to expect results and the amount of hair regrowth to expect and I highlight effective combination treatments for hair regrowth even in hair “dead” (bald) zones. For many listeners, thinning, brittle hair, or pattern baldness are a source of anxiety and stress. This episode explains the mechanisms underlying hair regrowth tools and the science behind them so that you can evaluate potential treatments and associated side-effect profiles and select the best one(s) for you.
For the full show notes, visit hubermanlab.com.
Thank you to our sponsors
AG1: https://athleticgreens.com/huberman
LMNT: https://drinklmnt.com/hubermanlab
Waking Up: https://wakingup.com/huberman
Momentous: https://livemomentous.com/huberman
Timestamps
(00:00:00) Hair
(00:04:29) Sponsors: LMNT & Waking Up
(00:08:04) Psychological States & Hair
(00:13:19) Hair Anatomy & Stem Cells
(00:26:05) 3 Phases of Hair Growth
(00:32:06) Sponsor: AG1 (Athletic Greens)
(00:36:55) Minoxidil & Blood Flow
(00:45:37) Increase Blood Flow: Massage, Tadalafil, Platelet-Rich Plasma (PRP), Microneedling
(00:56:10) Microneedling, Minoxidil & “Dead Zones”
(01:01:25) Botox Treatments
(01:06:27) Androgens, Hair Growth & Pattern Hair Loss; Scalp vs. Beard Hair
(01:15:46) Topical Caffeine & Slowing Hair Loss
(01:21:06) IGF-1: Growth Hormone & Sermorelin; Insulin Sensitivity: Myo-Inositol
(01:25:52) Iron & Hair Growth
(01:27:04) 5-Alpha Reductase & Saw Palmetto; Curcumin
(01:33:22) Ketoconazole & Offsetting Hair Loss
(01:38:46) Topical & Oral Finasteride
(01:51:00) Post- Finasteride Syndrome
(01:56:01) Dutasteride
(01:58:53) Mechanical & Chemical Stimulation for Hair Growth
(02:02:46) Zero-Cost Support, YouTube Feedback, Spotify & Apple Reviews, Sponsors, Momentous, Social Media, Neural Network Newsletter
Disclaimer
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