The Alopecia Help Collection

Most of us think of prolactin as the hormone responsible for milk production after childbirth. It hardly seems relevant to hair. So I was surprised to discover that human hair follicles don’t just respond to prolactin. They appear to make it themselves. That immediately raises a question. Why would a hair follicle produce a hormone best known for helping mothers breastfeed? The answer isn’t obvious. In fact, despite more than twenty years of research, scientists still don’t k

Does melatonin do more than help us sleep? Hair follicles produce their own melatonin, yet scientists are only beginning to understand why. A fascinating new laboratory study suggests melatonin may influence the stem cells responsible for growing new hair, adding another piece to the complex puzzle of androgenetic alopecia.

“The most important part of PRP happens long before the first injection.” “We specialise in PRP. But we don’t start with PRP. We start with you.”

One thing that struck me was how much of the discussion wasn’t really about eyebrows at all. It was about confidence. Before their transplants, many of the 30 described spending a lot of mental energy thinking about their eyebrows.

A new study published online ahead of print has reported that applying a liposomal dutasteride formulation to damp scalp skin resulted in more dutasteride in the hair follicles than with application to dry skin.

Why does hair loss usually affect the top of the scalp while the hair at the back and sides often remains thick for decades? Modern research suggests that hair follicles from different parts of the scalp are biologically different and may even carry a “memory” of where they came from. Dr Gwen Adey explores one of the most fascinating mysteries in hair biology: how hair follicles seem to know where they are.

Imagine your phone battery. When it’s brand new, it lasts all day. A few years later, it doesn’t. It still works. Just not as well. A fascinating new study published in 2026 made me wonder whether something similar might happen inside some hair follicles

Does Mounjaro cause hair loss? Dr Gwen Adey explores what the latest research actually shows, why rapid weight loss may be the real culprit, and what she would look for in clinic if a patient developed hair shedding while taking Mounjaro.