How to Reverse Hair Loss and Graying

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Hair is made up of keratin, proteins that stack on top of one another and bind to each other with a really strong bond. We have not just stem cells, but we have cells that give rise to the pigment of the hair that create what's called melanin. Most people have some degree of melanin in their hairs because there are little pockets of melanin producing cells. The sebaceous gland forms a seal right at the place where the hair exits the skin,. That seal is very important actually for waterproofing of your skin.

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.