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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.

Ingredients
Pharmaceuticals
Natural Remedies
Company Reviews
Vegamour Review – The Truth Behind the Label
By Perfect Hair Health Team
May 6, 2022

Vegamour Review – The Truth Behind the Label

Vegamour’s hair growth serums are hot-selling and beautifully branded products containing hair-friendly ingredients. However, the studies referenced to support their ingredients don’t entirely align with their claims. Some ingredients do have clinical research to back up their use in common forms of...
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...
The Microbiome and Hair Loss: A Scientific Review [2021]
By Perfect Hair Health Team
Feb 23, 2021

The Microbiome and Hair Loss: A Scientific Review [2021]

Ten years ago, many researchers dismissed the possibility that gut bacteria could influence hair loss and hair growth. Today, they’re changing their tune. Research teams have now demonstrated that changes to our gut microbiome are linked to both stress-related hair loss and alopecia areata. Fa...
Calcium’s Role In Hair Loss? It’s Complicated.
By Perfect Hair Health Team
Oct 20, 2020

Calcium’s Role In Hair Loss? It’s Complicated.

Calcium imbalances are linked to hair loss, with caveats. Low calcium and hair loss is seen in women with polycystic ovarian syndrome. High calcium and hair loss is reported in people with hyperparathyroidism. But in both cases, the calcium imbalances are consequences of the underlying conditions, n...
Reishi Mushroom For Hair Loss: The Problem With This DHT Blocker
By Perfect Hair Health Team
Oct 7, 2020

Reishi Mushroom For Hair Loss: The Problem With This DHT Blocker

As a hair loss treatment, reishi mushroom’s popularity seems more rooted in marketing than in scientific evidence. Studies show that reishi mushroom extract may lower DHT levels and suppress prostate growth – two things closely linked to male pattern hair loss. However, these studies were done...
Vitamin B12, Hair Loss, & Methylation: Does This Vitamin Improve Hair Growth?
By Perfect Hair Health Team
Sep 16, 2020

Vitamin B12, Hair Loss, & Methylation: Does This Vitamin Improve Hair Growth?

Does vitamin B12 help regrow hair? Mechanistically, a lot of evidence suggests yes: vitamin B12 is important for DNA synthesis, hemoglobin production, and methylation – all of which play a role in healthy hair growth. Unfortunately, studies also show that people with and without hair loss have simil...
Vitamin E For Hair Loss: Fact Versus Fiction (Tocopherols & Tocotrienols)
By Perfect Hair Health Team
Jul 23, 2020

Vitamin E For Hair Loss: Fact Versus Fiction (Tocopherols & Tocotrienols)

Vitamin E is an essential nutrient and antioxidant, but its usefulness to treat hair loss is incredibly limited. Studies show that vitamin E supplements can improve hair loss caused by nutrient deficiencies, and that topical vitamin E might increase local antioxidant activity in the scalps of people...
Selenium & Hair Loss: How This Mineral Hurts (And Helps) Our Hair
By Perfect Hair Health Team
Jul 23, 2020

Selenium & Hair Loss: How This Mineral Hurts (And Helps) Our Hair

Only 15% of people worldwide are at risk of a selenium deficiency – most of whom are in rural pockets of China, Tibet, and Siberia. Moreover, only a fraction of that 15% will have a selenium deficiency severe enough to cause hair loss. Ironically, selenium is one of the most popular ingredients insi...

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.