Understanding the Human Hair Growth Cycle
Human scalp hair does not grow continuously from birth to old age. Instead, every hair follicle runs through a repeating cycle of growth, regression, and…
Category: Hair Biology
Hair Density: What It Really Means, How It’s Measured, and Why It Changes
When people talk about “thick” or “thin” hair, they are usually describing hair density – that is, the number of visible hair shafts emerging from…
The Genetics of Curly Hair
Introduction: Alongside its biological underpinnings, hair shape – and especially curly hair – is profoundly influenced by genetic factors. Researchers have long recognized that curly…
Differences in Scalp Hair Density by Ethnicity: A Comparative Overview
Hair density—commonly measured as the number of hair strands per square centimeter (hairs/cm^2)—is influenced by a variety of factors, including genetics, age, hormonal status, scalp…
Wound-Induced Hair Follicle Neogenesis: Prospects for Hair Loss Treatment
Hair loss remains a significant aesthetic and psychological concern for many individuals, prompting ongoing research into innovative therapeutic approaches. One intriguing phenomenon is wound-induced hair…
An Overview of Human Hair Follicle Embryogenesis
Human hair follicle embryogenesis is a complex and tightly regulated developmental process. This biological phenomenon is governed by an intricate interplay of molecular signals, cellular…
Beard Response to Androgens: An In-Depth Analysis
Introduction: The relationship between androgens and beard growth has been the subject of extensive research, but the underlying mechanisms remain complex and not fully understood.…
Hair as a Biomarker in Diabetes: Investigating Changes and Monitoring Disease Progression
Diabetes mellitus, a prevalent metabolic disorder, not only affects blood glucose levels but also has far-reaching implications on various bodily tissues, including hair. The relationship…
The Intriguing Links Between Hair and Eyeballs
The human body is a marvel of interconnected systems, where seemingly unrelated parts share intriguing connections. One such fascinating link exists between hair and eyeballs.…