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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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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...
The Best Diet For Hair Loss? Here’s What Everyone Gets Wrong
By Perfect Hair Health Team
Jul 17, 2019

The Best Diet For Hair Loss? Here’s What Everyone Gets Wrong

The diet-hair loss connection is complicated. A bad diet is more closely linked to telogen effluvium (a form of hair loss) than it is pattern hair loss (androgenic alopecia). Contrary to popular belief, the best foods and diets to stop hair loss will vary for everyone. Here’s why.
Do Hair Transplants Debunk The Scalp Tension-Hair Loss Hypothesis?
By Perfect Hair Health Team
Jan 9, 2019

Do Hair Transplants Debunk The Scalp Tension-Hair Loss Hypothesis?

In 1959, hair transplant studies led researchers to believe that a balding clock was genetically programmed in each hair follicle, and that our scalp environments had nothing to do with hair loss. Today, these findings are now in question. Here’s why.
Hair Loss (AGA) and Low Blood Flow: What Everyone Gets Wrong
By Perfect Hair Health Team
Nov 29, 2018

Hair Loss (AGA) and Low Blood Flow: What Everyone Gets Wrong

Balding scalps have 2.6 times less blood flow (and 40% less oxygen) than hairy scalps. However, there’s debate over whether low blood flow is a cause of hair loss… or a consequence of hair follicle miniaturization. This article builds (and then dismantles) both sides of the argument....

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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.