Rob English 
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 … Read more…
Grey Hair: Its Causes & Interventions – A Scientific Overview It’s a long-standing belief that grey hair is a consequence of aging. But is this really true? If so, what’s at the crux of age-related graying? How does this differ from premature gray hair? And can grey hair actually be reversed? This article dives into … Read more…
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 … Read more…
Can “the pill” cause hair loss in women? Hormonal birth control is incredibly effective at achieving its intended effect: to prevent pregnancy. However, many online anecdotes suggest that birth control might also harbor unintended consequences: namely, hair loss. So, do these anecdotes align with reality? Can hormonal contraceptives actually cause hair loss? Are there factors … Read more…
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 … Read more…
Never seek dietary advice in a hair loss forum On page one of any hair loss forum, you’ll find a thread that reads something like: Title: “Will this food regrow my hair? PLEASE READ!“ Person A: “I’m changing my diet so I can stop my hair loss. I read that zinc reduces DHT. So, if … Read more…
Summary: Platelet-rich plasma therapy can increase hair counts by 25-40%. But with a $1,000+ price tag and results contingent upon repeated PRP procedures, it’s not the right option for every hair loss sufferer. Here’s why.
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 … Read more…
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 … Read more…
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 … Read more…