Shampoos and pH – Does Acidity Really Matter for Hair?
Claims about “pH-balanced” or “acidic” shampoos have appeared in advertising for decades. The implication is usually simple: an acidic shampoo is kinder to hair, while…
Tag: Hair Biochemistry
Hair Fiber Structure: An Introduction to the Classical Foundations
Human hair fibers are complex biological composites engineered through a highly specialized keratinization process within the follicle. Although visually simple, a mature fiber represents one…
Swimmer’s Hair: What Pool Water Really Does to Human Hair
Recreational and competitive swimming exposes hair to an environment unlike any other in daily life: prolonged immersion in water that typically contains added disinfectants, dissolved…
Hair Weathering: Mechanisms, Causes, and Prevention
Hair weathering refers to the progressive chemical or physical deterioration of the hair shaft, leading to the loss of structural components and increased susceptibility to…
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…
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…
Lipid Composition of Human Hair: An Overview
Human hair is an intricate filamentous structure that extends from the hair follicle and is composed primarily of proteins (keratins), water, trace elements, and lipids.…
An Overview on Trichothiodystrophy
Trichothiodystrophy (TTD) is a rare, autosomal recessive disorder characterized by sulfur-deficient hair, developmental anomalies, and a spectrum of systemic manifestations. It falls under the category…
With pattern baldness, why is hair loss only limited to the top of the scalp?
Androgenetic alopecia, commonly known as male or female pattern hair loss, or pattern baldness, is a prevalent condition affecting millions worldwide. The bloodstream supplies hair…