Caffeine For Hair Loss (AGA): Evidence & Recommendations

Caffeine & Hair Growth: A Scientific Deep-Dive In recent years, there’s been an explosion of interest in caffeine shampoos / topicals and their potential to improve pattern hair loss (androgenic alopecia). The hope: that applying caffeine to our scalps might stimulate growth factors, improve blood flow, and maybe even reverse hair follicle miniaturization. At first …

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Androgenic Alopecia (AGA): What Is It, What Causes It, And What Don’t We Know?

This article explores the characteristics, causes, and unknowns of pattern hair loss – also known as androgenic alopecia (AGA). If you’re new to hair loss research, this is a good starting point to learn the science behind AGA as well as the concepts that come up frequently in the literature. Hair follicle miniaturization Telogen:anagen ratios …

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Saw Palmetto: A Hair Growth Miracle? Mixed Evidence, Mixed Results

The Ultimate Guide to Saw Palmetto for Hair Loss Saw palmetto is (maybe) the world’s most popular hair loss supplement. It comes from the Serenoa repens fruit, and studies show that it can lower levels of DHT – the same hormone implicated in pattern hair loss, and the same hormone that finasteride (Propecia®) reduces to …

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

I’ve spent the last twelve years researching hair loss, and the last five years sharing everything I’ve learned on Perfect Hair Health — writing dozens of long-form articles about the causes, treatments, and misconceptions of androgenic alopecia. Today, I’m thrilled to announce another major step forward for this site and our community. We’ve just published a …

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

Does a tight scalp cause pattern hair loss? This question recently resurfaced in hair loss forums… sparking heated debate from scalp tension supporters and opposers. The supporters: scalp tension must contribute to hair loss. Why? Because balding men and women tend to have chronically tight scalps. This tension tends to match the pattern and progression …

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The Scalp Tension Theory Of Hair Loss: A Scientific Breakdown

Can Scalp Tension Cause Hair Loss? It’s Possible. Is there a connection between scalp tension and pattern hair loss (androgenic alopecia)? Sixty years ago, researchers thought no. Today, many are changing their tune. The scalp tightness theory recently regained popularity in hair loss forums, but it isn’t new. Over 100 years ago, Bernarr Macfadden noted …

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Nutrient Deficiencies And Hair Loss: A Master Breakdown

If you’ve ever google’d, “The best supplements for hair growth”, you’ll find thousands of articles claiming hair loss is caused by a nutrient deficiency — from iron to iodine to vitamin B-12 — and if we supplement with these nutrients, we can reverse that deficiency, stop our hair loss, and maybe even see hair regrowth. …

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