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…
Tag: Environmental Factors
Chemical and metal induced effluvium: why some substances can make hair fall out
Losing between fifty and a hundred hairs a day is a normal part of the scalp hair growth cycle. However, when the rate of shedding…
Androgenetic Alopecia and Serum Ferritin/Iron Levels: Exploring the Relationship and its Significance
Androgenetic alopecia (AGA) is the most common form of hair loss in both men and women. While genetic predisposition and hormonal factors have long been…
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…
An Overview of Head Lice: Biology, Epidemiology, and Management
Head lice (Pediculus humanus capitis) are parasitic insects that infest human scalps, feeding on blood and causing a condition known as pediculosis. This article explores…
What are the environmental factors that activate alopecia areata ?
The precise causes that trigger the onset of alopecia areata, a complex autoimmune condition characterized by non-scarring hair loss, remain elusive. However, contemporary research has…
What are these pimples I can scratch out of my head that are sometimes attached to the base of hair fibers?
The pimple is probably hardened sebum. It is white or light yellow in color and if pressed hard can be squashed and molded. The sebum…
Is Pattern Hair Loss Becoming More Common ?
Introduction: Androgenetic alopecia (AGA), commonly known as male or female pattern hair loss, is the most prevalent form of hair loss in adults. It affects…
Understanding Bird’s Nest Hair and Plica Neuropathica: Causes, Effects, and Management
Introduction: Bird’s nest hair is a common term used to describe a hairstyle characterized by tangled, matted, and unkempt hair, resembling the appearance of a…