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Articles

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).

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?

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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Hormonal Birth Control & Hair Loss: A Review Of The Evidence

Can "the pill" cause hair loss in women? Hormonal birth control is incredibly effective at achieving its intended effect: to prevent pregnancy. However, many online anecdotes suggest that birth control might also harbor unintended consequences: namely, hair loss. So, do ...
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Saw Palmetto: A Hair Growth Miracle? Mixed Evidence, Mixed Results

The Ultimate Guide to Saw Palmetto for Hair Loss Saw palmetto is (maybe) the world’s most popular hair loss supplement. It comes from the Serenoa repens fruit, and studies show that it can lower levels of DHT – the same ...
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The Best Diet For Hair Loss? Here’s What Everyone Gets Wrong

Never seek dietary advice in a hair loss forum On page one of any hair loss forum, you'll find a thread that reads something like: Title: "Will this food regrow my hair? PLEASE READ!" Person A: "I'm changing my diet ...
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Platelet-Rich Plasma (PRP): Does It Regrow Hair? Maybe, Maybe Not.

The Ultimate Guide To Platelet-Rich Plasma Therapy (PRP) In the last decade, thousands of dermatologists have started offering platelet-rich plasma (PRP) therapy as a treatment for hair loss. At first glance, PRP seems like an enticing therapy: a hands-free, drug-free ...
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Do Scalp Massages Improve Hair Loss From Androgenic Alopecia? (Our 2019 Study)

I’ve spent the last twelve years researching hair loss, and the last five years sharing everything I’ve learned on Perfect Hair Health — writing dozens of long-form articles about the causes, treatments, and misconceptions of androgenic alopecia. Today, I'm thrilled to ...
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Do Hair Transplants Debunk The Scalp Tension-Hair Loss Hypothesis?

Does a tight scalp cause pattern hair loss? This question recently resurfaced in hair loss forums… sparking heated debate from scalp tension supporters and opposers. The supporters: scalp tension must contribute to hair loss. Why? Because balding men and women ...
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STOP GUESSING WHICH HAIR LOSS TREATMENTS ACTUALLY WORK.
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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