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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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Do Scalp Massages Improve Hair Loss From Androgenic Alopecia? (Our 2019 Study)
By Perfect Hair Health Team
May 14, 2019

Do Scalp Massages Improve Hair Loss From Androgenic Alopecia? (Our 2019 Study)

Scalp massages may improve androgenic alopecia (AGA) – with response rates reaching 75%+ by eight months of effort. Some people also see significant hair regrowth. However, the therapy is time-intensive and requires commitment. Diffuse thinners should confirm they have AGA before trying the massages...
Nutrient Deficiencies And Hair Loss: A Master Breakdown
By Perfect Hair Health Team
Jun 19, 2018

Nutrient Deficiencies And Hair Loss: A Master Breakdown

Research shows that severe, prolonged nutrient deficiencies can cause hair loss… but that deficiencies this severe are rare in the first world. Paradoxically, studies also reveal that first-world hair loss sufferers often have low-grade nutrient deficiencies. So what’s the real story? Th...
Brotzu Lotion For Hair Loss? Maybe, Maybe Not. (See Photos)
By Perfect Hair Health Team
May 24, 2018

Brotzu Lotion For Hair Loss? Maybe, Maybe Not. (See Photos)

In 2016, Brotzu Lotion made headlines as a potential hair loss cure. But does this topical actually live up to its hype? Yes and no. On the positives, Brotzu Lotion (now branded as Trinov™) might stop the progression of pattern hair loss. It can also improve alopecia areata. But is it better than mi...
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...
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...
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 ...
Part 1 Of 4: Attacking DHT By Reducing Free Testosterone
By Perfect Hair Health Team
Apr 28, 2017

Part 1 Of 4: Attacking DHT By Reducing Free Testosterone

Reducing DHT For Hair Loss When it comes to decreasing dihydrotestosterone (DHT) to slow or stop hair loss, most people only know one way to do it: inhibit the enzyme 5-alpha reductase. But did you know we may also be able to lower DHT using bacteria? Or blocking androgen receptors? Or increasing DH...
Natural DHT Reducers Vs. Propecia: They All Cause Sexual Side Effects
By Perfect Hair Health Team
Apr 11, 2017

Natural DHT Reducers Vs. Propecia: They All Cause Sexual Side Effects

Many men worried about finasteride’s sexual side effects instead opt to use a natural DHT blocker – like pumpkin seed oil or saw palmetto – to help fight hair loss. Their rationale: these extracts lower DHT levels, but they are naturally derived and therefore won’t cause problems like lo...

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.