The Hair Pull Test – A Guide to Measuring Hair Shedding and Follicle Health
When it comes to evaluating hair loss, one of the simplest clinical procedures a dermatologist may use is the hair pull test. Despite its straightforward…
The Sign of Hertoghe (Queen Anne’s Sign): Loss of the Outer Eyebrows
The Sign of Hertoghe, also known as Queen Anne’s sign, refers to the thinning or loss of the lateral third of the eyebrows. Although once…
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…
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…
Syphilis and Hair Loss
Syphilis is a chronic, multistage infectious disease caused by the spirochete Treponema pallidum. Known historically as “the great imitator,” syphilis has puzzled clinicians for centuries…
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…
Exploring Techniques in Hair Lightening: Frosting, Tipping, Painting, Streaking, and Highlighting
Introduction: Hair lightening has been a staple in cosmetic practices, offering a variety of techniques for adding dimension and brightness to hair. These methods; frosting,…
The Impact of Nutrition on Hair Color
Hair color is determined by a complex interplay of genetic, environmental, and physiological factors. Although genetics primarily dictate natural hair color, emerging evidence suggests that…
Scarring Alopecia: Keratosis Follicularis Spinulosa Decalvans
Introduction: Keratosis Follicularis Spinulosa Decalvans (KFSD), also referred to as Keratosis pilaris decalvans, is a rare genodermatosis characterized by progressive follicular keratosis, leading to scarring…