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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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Update (2018): My Research Is Now Published In A Scholarly Journal
By Perfect Hair Health Team
Jan 12, 2018

Update (2018): My Research Is Now Published In A Scholarly Journal

Despite decades of research, DHT’s role in pattern hair loss is still not fully understood. Why is DHT linked to both scalp hair loss and body hair growth? By which mechanisms does DHT lead to hair follicle miniaturization? Why is there a “pattern” to pattern hair loss? These quest...
Hair Loss And SIBO: How To Treat Gut Dysbiosis
By Perfect Hair Health Team
Nov 10, 2017

Hair Loss And SIBO: How To Treat Gut Dysbiosis

Is small intestinal bacterial overgrowth (SIB) connected to hair loss? Potentially… especially among the female hair loss sufferers with whom I’ve worked. SIBO may not only drive widespread nutrient deficiencies, but also contribute to diffuse thinning (telogen effluvium). If you’r...
L. Reuteri For Hair Loss: A Complete Review
By Perfect Hair Health Team
Jul 26, 2017

L. Reuteri For Hair Loss: A Complete Review

Lactobacillus reuteri (l. reuteri) may raise testosterone, improve vitamin D synthesis, and increase hair quality (in rats). Once found in 40% of human guts, this bacteria is now only present in a small fraction of people. So if we supplement with l. reuteri, will we experience hair regrowth? This a...
P. Acnes (Bacteria That Causes Acne) Linked To Hair Loss: What To Do About It
By Perfect Hair Health Team
Jun 28, 2017

P. Acnes (Bacteria That Causes Acne) Linked To Hair Loss: What To Do About It

Can the trillions of bacteria living in our gut and skin influence our predisposition to acne and hair loss? Ten years ago, the answer was, “no.” But today researchers are changing their tune. Evidence shows that the non-human bacteria living in (and on) us — known as our microbiome — helps regulate...
Increasing IGF-1 For Hair Loss? Think Twice
By Perfect Hair Health Team
Jun 9, 2017

Increasing IGF-1 For Hair Loss? Think Twice

Hair loss forums often tout a connection between hair loss and a protein called IGF-1 (insulin-like growth factor 1). The belief: if we increase IGF-1, maybe we can slow, stop, or reverse pattern hair loss. Unfortunately, forums never clarify exactly what “increasing IGF-1 for hair loss” means. For ...
Diffuse Hair Thinning? Check Your Zinc Levels
By Perfect Hair Health Team
May 25, 2017

Diffuse Hair Thinning? Check Your Zinc Levels

Suffering from hair loss? You might think your hair thinning is due to hypothyroidism, a hormonal imbalance, or even dihydrotestosterone (DHT)… But what you may not know is that hair loss can also be a sign of a nutrient deficiency – specifically, zinc. Zinc is an essential trace metal our bodies ne...
Why KROX20 Isn’t A Miracle Hair Loss Cure
By Perfect Hair Health Team
May 19, 2017

Why KROX20 Isn’t A Miracle Hair Loss Cure

A few weeks ago, a transcription factor called KROX20 hit headlines as a baldness breakthrough. Why? Because researchers published a study showing that when they deleted the KROX20 gene, a mouse’s hair follicles stopped growing. The study reached major news outlets. And then came the headlines…...
Part 4 Of 4: Attacking DHT By Increasing DHT Metabolism
By Perfect Hair Health Team
May 8, 2017

Part 4 Of 4: Attacking DHT By Increasing DHT Metabolism

Note: this is part four of a four-part series on A Master Guide: The Major DHT Reducing Mechanisms… Which Are Effective Against Hair Loss? Missed the earlier articles? Check out parts one, two, and three. Read time: 10 minutes Summary So Far: Decreasing DHT With Free Testosterone, 5-Alpha Redu...
Part 3 Of 4: Attacking DHT By Decreasing Androgen Receptors
By Perfect Hair Health Team
May 4, 2017

Part 3 Of 4: Attacking DHT By Decreasing Androgen Receptors

Note: this is part three of a four-part series — a master guide to reducing DHT levels for hair loss. Missed the earlier articles? Read part one here, and part two here. Summary So Far: Decrease DHT With Free Testosterone, 5-Alpha Reductase In the first article, we uncovered what DHT is, how it’s ma...
Part 2 Of 4: Attacking DHT By Inhibiting 5-Alpha Reductase
By Perfect Hair Health Team
May 2, 2017

Part 2 Of 4: Attacking DHT By Inhibiting 5-Alpha Reductase

Note: this is part two of a four-part series — a master guide to reducing DHT levels for the purpose of fighting hair loss. Missed part one? Read it right here. Part One Summary – Decreasing DHT By Reducing Free Testosterone In the last article, we uncovered what DHT is, how it’s made, the DHT-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.