Our articles dive into a broad range of topics on hair loss: its causes, treatments, breakthroughs, and beyond. If you're new to hair loss, this is the perfect place to learn more (and save yourself years of time, money, and hair).

Fecal Microbiota Transplants (FMT) & Accidental Hair Regrowth: Studies, Anecdotes, & Photos

Stool transplants – also known as fecal microbiota transplants (FMT) – are a controversial therapy reserved for life-threatening bacterial infections and autoimmune disorders. Fascinatingly, people who’ve undergone stool transplants have later reported unintended benefits: weight loss, less acne, personality improvements, ...
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The Microbiome and Hair Loss: A Scientific Review [2021]

Can the bacteria inside of our guts affect hair loss? It’s possible. Studies now link changes to our gut bacteria (i.e., the microbiome) to hair loss disorders such as alopecia areata, telogen effluvium, and maybe even androgenic alopecia (pattern hair ...
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Helminthic Therapy (Hookworms) for Hair Loss? A Scientific Review

Helminth for Hair Loss
Helminths are parasitic worms that live in our intestines. Once maligned by the medical field (and eradicated in most of the developed world), studies now suggest that helminthic worms may have “co-evolved” with humans. They might even help regulate our ...
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Apple Cider Vinegar (ACV) for Hair Loss: Fact or Fiction?

Apple Cider Vinegar Hair Loss
Apple cider vinegar for hair growth? My failed experiment Ten years ago, I decided to start rubbing apple cider vinegar (ACV) into my bald spot every night. Why? I'd read on a hair loss forum that ACV was a powerful ...
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Reishi Mushroom For Hair Loss: The Problem With This DHT Blocker

Reishi Mushroom for AGA
A deep dive into the evidence: reishi mushroom for hair loss Reishi mushroom – a kidney-shaped fungi – is known in health circles for its immune-enhancing properties. More recently, researchers have found that reishi mushroom can help lower levels of ...
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Vitamin B12, Hair Loss, & Methylation: Does This Vitamin Improve Hair Growth?

Does vitamin B12 improve hair growth? Supplement companies say yes, but scientific studies reveal a much murkier (and nuanced) relationship between vitamin B12, hair loss, and hair growth... one you'll want to understand before you start supplementing. In this article, ...
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Iodine For Hair Loss? Think Twice About Supplementing

An Investigation: Iodine & Hair Health Iodine is a mineral featured in many top-selling hair loss supplements. The rationale for its inclusion? That iodine is an essential nutrient for thyroid function. And, since thyroid disorders are linked to hair loss, ...
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Biotin For Hair Loss: Why This Supplement Is Overhyped & Oversold

Biotin Supplements For Hair Loss: Helpful, Harmful, Or Neither? Biotin is one of the most popular supplements in the hair loss community. If you’ve invested any time into researching hair loss, chances are you’ve stumbled upon information about biotin, biotin ...
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Nutrafol Review: Half-Truths, Cherrypicked Data, & Misleading Study Results

A Real Look Inside Nutrafol® In the last two years, Nutrafol® has become one of the world's most popular hair loss supplements. With an all-natural product line and a supplement that's endorsed by doctors, praised by media, and supported by ...
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Diffuse Thinning: Causes, Implications, And Steps For Regrowth (See Photos)

Diffuse thinning
A complete guide to diffuse hair loss Diffuse thinning isn't a type of hair loss. Rather, it's a term used to describe the appearance of someone's hair loss. When someone has diffuse hair loss, it means that they're experiencing a ...
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Microneedling For Hair Loss: What’s The Best Needle Size?

Microneedling: a powerful, under-researched hair loss therapy In the last five years, microneedling therapies have exploded in popularity – especially among hair loss sufferers. Research now shows that microneedling can increase hair counts by 15%. And as clinical evidence for ...
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Caffeine For Hair Loss (AGA): Evidence & Recommendations

Caffeine & Hair Growth: A Scientific Deep-Dive In recent years, there's been an explosion of interest in caffeine shampoos / topicals and their potential to improve pattern hair loss (androgenic alopecia). The hope: that applying caffeine to our scalps might ...
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Grey Hair: What Causes It, And Can It Be Reversed? A Scientific Analysis

Grey Hair: Its Causes & Interventions – A Scientific Overview It’s a long-standing belief that grey hair is a consequence of aging. But is this really true? If so, what's at the crux of age-related graying? How does this differ ...
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Androgenic Alopecia (AGA): What Is It, What Causes It, And What Don’t We Know?

Vitamin B5 and Hair Loss
This article explores the characteristics, causes, and unknowns of pattern hair loss – also known as androgenic alopecia (AGA). If you're new to hair loss research, this is a good starting point to learn the science behind AGA as well ...
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Instead, just read my cheat sheet.

You'll get the facts on nine "natural" and "conventional" hair loss treatments: how they work, how much hair they'll regrow, their limitations, and what their marketers don't want you know.

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