Hair singeing: from barbershop staple to niche curiosity
For much of the late 19th and early 20th century, having your hair “singed” was a normal part of a visit to the barber or…
Types of hair dye: from temporary to permanent
Hair dyeing is a ubiquitous cosmetic practice with deep historical roots, and modern formulations have become highly diversified to meet different aesthetic goals, hair types,…
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…
Eyelash Dyes and Lash Tinting: Benefits, Procedures, and the Risks Behind a Popular Cosmetic Treatment
Eyelash dyes and lash tinting have become popular services in salons and at-home beauty routines, promising darker, more defined lashes without the daily use of…
Do white hairs grow thicker and faster than pigmented hairs in humans ?
Greying is one of the most visible hallmarks of human ageing, yet its functional consequences for hair fibre biology are often overlooked. Clinicians and lay…
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…
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…
Can diet promote pattern hair loss ?
The short answer is – possibly – but a causal effect has not been conclusively proven. Diet can influence hormonal and metabolic pathways that are…
Scalp hair loss in scleroderma / en coup de sabre
Localized scleroderma (also called morphea) is an immune-driven condition that makes the skin and nearby tissues thicken and harden. When it appears as a narrow,…