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…
Tag: Environmental Factors
The Role of Lifestyle and Environmental Factors in Accelerating Gray Hair Development
Canities, the scientific term for the progressive loss of hair pigmentation, commonly presents as the gradual emergence of gray or white hair in individuals of…
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…
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…