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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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Company Reviews
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...
Does Tirzepatide Cause Hair Loss?
By Catherine Kennedy, PhD
Jun 5, 2026

Does Tirzepatide Cause Hair Loss?

GLP-1 drugs like tirzepatide are taking over weight loss and diabetes care – but rising reports of hair loss are causing concern. Is this a real side effect or online hype? This article dives into the latest evidence, unpacking what science actually says and why the answer may be more complex than i...
Best Minoxidil for Women: Top 6 Brands of 2026
By Perfect Hair Health Team
May 28, 2026

Best Minoxidil for Women: Top 6 Brands of 2026

With so many hair-thinning treatments marketed to women, it can be difficult to separate what truly works from what’s just hype. This evidence-based guide ranks the best minoxidil options for women in 2026, including prescription and over-the-counter formulas, based on effectiveness, tolerability, c...
Does Dandruff Cause Hair Loss?
By Cassie Hopton, PhD
May 15, 2026

Does Dandruff Cause Hair Loss?

Dandruff is more than a cosmetic nuisance: it often reflects scalp inflammation that can disrupt the hair cycle. While dandruff itself doesn’t directly cause hair loss, it may trigger shedding and worsen conditions like pattern hair loss. Understanding the root cause of dandruff and treating it effe...
Ulo Review: #1 Customized Hair Loss Treatment in 2026
By Dr. Michael Williams
May 9, 2026

Ulo Review: #1 Customized Hair Loss Treatment in 2026

Ulo, co-founded by Perfect Hair Health, was created to address long-standing issues in the hair loss industry, from unsafe formulations to misleading personalization claims. In this review, we examine whether Ulo’s evidence-first, highly customizable approach truly sets a new benchmark for hair loss...
10 Best Hair Loss Treatments for Men
By Sophie Grice, PhD
May 8, 2026

10 Best Hair Loss Treatments for Men

If you are at the start of your hair-loss journey, figuring out where to begin can feel overwhelming. There is no shortage of products and treatments that promise results, but not all of them are worth your time and money. In this article, we break down 10 of the best hair loss treatments for men, i...
Best Minoxidil for Men: Top Picks for 2026
By Sarah King, PhD
May 7, 2026

Best Minoxidil for Men: Top Picks for 2026

With countless hair loss products on the market, choosing the right minoxidil can be overwhelming. This evidence-based guide ranks the best minoxidil treatments for men in 2026, including prescription and over-the-counter options, based on effectiveness, safety, customization, and value. Discover wh...
Does Ozempic Cause Hair Loss?
By Catherine Kennedy, PhD
May 1, 2026

Does Ozempic Cause Hair Loss?

GLP-1 medications like Ozempic are transforming weight-loss treatment. But viral posts and patient reports have raised concerns about unexpected hair shedding, and emerging research hints there may be something to it. But what does the science really show? We unpack the latest evidence to examine wh...
Minoxidil Before and After Photos [2026] | Does It Work?
By Perfect Hair Health Team
Mar 15, 2026

Minoxidil Before and After Photos [2026] | Does It Work?

Topical minoxidil is the most widely used hair loss treatment, with decades of clinical evidence supporting its effectiveness. But while many experience stabilization and regrowth, others see little to no change. Learn why minoxidil response is so variable, how to interpret before-and-after photos, ...
How to Get Finasteride: Is It Over the Counter?
By Catherine Kennedy, PhD
Mar 11, 2026

How to Get Finasteride: Is It Over the Counter?

Finasteride is a well-established, FDA-approved treatment for hair loss. In this article, we examine how finasteride actually works, what the clinical evidence shows about effectiveness and side effects, and why medical oversight matters. Learn how to access finasteride safely in the U.S....

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.