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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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Sulforaphane For Hair Loss – Does It Live Up To The Hype?
By Perfect Hair Health Team
Apr 30, 2022

Sulforaphane For Hair Loss – Does It Live Up To The Hype?

Sulforaphane is a molecule found in vegetables like broccoli. In recent years, it has been touted as a potential hair loss treatment. The logic is as follows: (1) in vitro studies suggest sulforaphane encourages the conversion of hair loss-promoting hormones – like DHT – into “hair-safe”...
Hims vs Keeps vs Roman: Which Hair Growth Subscription Service Wins?
By Perfect Hair Health Team
Apr 16, 2022

Hims vs Keeps vs Roman: Which Hair Growth Subscription Service Wins?

Hair growth subscription services are sprouting up everywhere online. Among them, three companies have emerged from the pack: Hims, Keeps, and Roman. Each company offers two FDA-approved hair loss treatments, as well as other add-on products (supplements, gummies, etc). In this post, the Perfect Hai...
Stinging Nettle For Hair Loss: Real vs. Perceived Benefits
By Perfect Hair Health Team
Apr 15, 2022

Stinging Nettle For Hair Loss: Real vs. Perceived Benefits

Stinging nettle is a popular natural remedy for hair loss. Unfortunately, quality studies on stinging nettle (and its effects on hair growth) are scarce. Most marketers selling stingle nettle relying almost exclusively on petri dish studies and mouse models to suggest it may have some hair-promoting...
Mature Hairline vs Receding: How to Tell the Difference
By Perfect Hair Health Team
Apr 10, 2022

Mature Hairline vs Receding: How to Tell the Difference

It can be difficult to distinguish between a mature hairline and a receding hairline. After all, hairline changes are a natural part of the aging process. What key characteristics separate hairline maturation from outright recession? This investigative post will explain 1) How to identify a mature h...
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...

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.