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Explore the science behind hair loss and hair growth. Our in-depth articles cover topics ranging from natural remedies to pharmaceuticals to breakthroughs in hair loss science. Want to request an article topic? Contact us.

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The 6 Best DHT Blockers For Men
By Perfect Hair Health Team
Apr 6, 2022

The 6 Best DHT Blockers For Men

Which DHT blockers work? Which ones put hair loss sufferers at a greater risk of side effects? What does the actual evidence say versus marketing hype for the latest DHT-reducing supplements, topicals, and drugs? The answers may surprise you. In this article, the Perfect Health Team evaluates 6 DHT ...
Collagen For Hair Loss: Untangling The Truth
By Perfect Hair Health Team
Apr 4, 2022

Collagen For Hair Loss: Untangling The Truth

Disorganized collagen (i.e., fibrosis) is a feature of many hair loss disorders. But does supplementing with collagen improve hair growth? On the one hand, randomized placebo-controlled clinical trials have found that collagen supplements can improve skin quality, and that L-glycine (a major portion...
Does Viviscal® Work? Evidence-Based Findings Reveal the Truth
By Perfect Hair Health Team
Apr 1, 2022

Does Viviscal® Work? Evidence-Based Findings Reveal the Truth

Viviscal™ is a hair loss supplement backed by numerous doctors and 12+ human studies. In this investigative article, we take a close look at Viviscal’s clinical trials, marketing efforts, and product ingredients. We even conducted a series of lab tests. Through these efforts, many issues came to lig...
Nizoral for Hair Loss – Does it Work?
By Perfect Hair Health Team
Mar 25, 2022

Nizoral for Hair Loss – Does it Work?

Ketoconazole, better known as Nizoral®, is often regarded as an effective hair growth shampoo. But does this antifungal, dandruff-reducing shampoo live up to its billing as a key member of the Big 3 of hair loss treatments? In this article, we’ll analyze the evidence to determine the effect of...
Topical Finasteride: The Best Dosage for Maximizing Regrowth and Minimizing Side Effects
By Perfect Hair Health Team
Mar 21, 2022

Topical Finasteride: The Best Dosage for Maximizing Regrowth and Minimizing Side Effects

Since earning FDA approval in 1997, Finasteride has been one of the most widely used hair loss drugs. To avoid potential sexual side effects, many opt for topical finasteride in hopes of isolating the drug’s DHT-reducing effects on the scalp. However, at certain doses, topical finasteride can enter ...
How Long After Stopping Minoxidil Before We Lose Our Hair Gains?
By Perfect Hair Health Team
Mar 10, 2022

How Long After Stopping Minoxidil Before We Lose Our Hair Gains?

Studies show that within 3 months of quitting minoxidil, any new hair growth is lost and, worryingly, our hair loss temporarily worsens before returning to baseline. But encouragingly, new studies are revealing potential ways to mitigate any shedding related to minoxidil withdrawals. In fact, a 2020...
Exercise and Hair Loss: Is There a Connection?
By Perfect Hair Health Team
Mar 10, 2022

Exercise and Hair Loss: Is There a Connection?

Does exercise cause hair loss? And if so, what types of activities should hair loss sufferers avoid? The answers aren’t so straightforward. A 2017 study found that people with androgenic alopecia (AGA) were more likely to exercise longer and harder than those who weren’t balding. At the ...
Three Ways to Improve Minoxidil Results
By Perfect Hair Health Team
Mar 5, 2022

Three Ways to Improve Minoxidil Results

Minoxidil is one of the most widely used hair loss products on the market. And yet, so much about this growth activating “pro-drug” remains unknown. Despite its FDA approval, results are not guaranteed. In fact, around 50% of hair loss sufferers are non-responders. Recent research sugges...
How Long Does a Hair Transplant Last?
By Perfect Hair Health Team
Mar 5, 2022

How Long Does a Hair Transplant Last?

Fifty years ago, studies on hair transplants indicated that transplanted hairs never thin. But a 2020 study now suggests that hair transplants can thin… and even just four years post-surgery. What could explain these conflicting results, and what can we make of the new data? This article uncov...
Fecal Microbiota Transplants (FMT) & Accidental Hair Regrowth: Studies, Anecdotes, & Photos
By Perfect Hair Health Team
Feb 25, 2021

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

Studies suggest that fecal microbiota transplants (FMTs) can recolonize the gut microbiome, dampen autoimmunity (i.e., allergies), and even save people’s lives from C. difficile infections. Fascinatingly, some people who’ve undergone an FMT have later reported an unintended benefit: hair...

Stop guessing which hair loss
treatments actually work

Instead, just read our 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.