research Dyeing regions of oxidative hair dyes in human hair investigated by nanoscale secondary ion mass spectrometry
Hair dye colors mainly target melanin granules in black hair.
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60-90 / 1000+ resultsresearch Alopecia areata susceptibility variant in MHC region impacts expressions of genes contributing to hair keratinization and is involved in hair loss
A gene variant increases the risk of a type of hair loss by affecting hair protein production.
research Advances in Hair Diseases
The review highlights the importance of stem cells in hair health and suggests new treatment strategies for hair loss conditions.
research Ziehl-Neelsen's stain for skin sections to show wool and hair follicles
Ziehl-Neelsen's stain helps identify different parts of hair in sheep and goats.
research Qualitative investigation of fresh human scalp hair with full-field optical coherence tomography
Melanin density affects hair color, and this method can help in cosmetic assessments and diagnosing hair diseases.
research External lipid function in ethnic hairs
African hair has the most lipids, while Caucasian hair is more hydrated and stronger.
research Morphology and ultrastructure of antler velvet hair and body hair from red deer (Cervus elaphus)
Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.
research Effects of non-contingent cocaine on 3alpha-androstanediol. I. Disruption of male sexual behavior
Cocaine impairs male sexual behavior and alters testosterone metabolism in the brain.
research Hair follicle stem cells: Walking the maze
Hair follicle stem cells are key for hair and skin regeneration, can be reprogrammed, and have potential therapeutic uses, but also carry a risk of cancer.
research β-Catenin Signaling Increases in Proliferating NG2+ Progenitors and Astrocytes during Post-Traumatic Gliogenesis in the Adult Brain
β-Catenin signaling is involved in brain cell growth after injury and could be a therapy target.
research Dietary glucoraphanin prevents the onset of psychosis in the adult offspring after maternal immune activation
Eating glucoraphanin can help prevent psychosis in offspring whose mothers had immune system activation.
research Evidence for various calcium sites in human hair shaft revealed by sub-micrometer X-ray fluorescence
The research found two types of calcium in human hair, one that varies among individuals and another that is consistent across people.
research The Neurosteroidogenic Enzyme 5α-Reductase Mediates Psychotic-Like Complications of Sleep Deprivation
The enzyme 5α-reductase is key in causing psychotic-like effects from sleep deprivation.
research Human pollution exposure correlates with accelerated ultrastructural degradation of hair fibers
Pollution exposure speeds up hair damage.
research Chapter 4 Cytomechanics of Hair
Hair's strength and flexibility come from its protein structure and molecular interactions.
research Distribution of Glycolipid and Unsaturated Fatty Acids in Human Hair
Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
research Apocrine sweat gland obstruction by antiperspirants allowing transdermal absorption of cutaneous generated hormones and pheromones as a link to the observed incidence rates of breast and prostate cancer in the 20th century
The document suggests that blocking sweat glands with antiperspirants might allow skin-generated hormones to be absorbed, possibly increasing breast and prostate cancer risk.
research Perspectives on Hair Evolution Based on Some Comparative Studies on Vertebrate Cornification
Hair in mammals likely evolved from glandular structures, not scales.
research Expansion and characterization of epithelial stem cells with potential for cyclical hair regeneration
A specific group of stem cells can help regenerate hair continuously.
research Steroid 5α-reductase 2 deficiency leads to reduced dominance-related and impulse-control behaviors
Mice lacking steroid 5α-reductase 2 show less aggression and better impulse control.
research Structure of intermediate filament assembly in hair deduced from hydration studies using small-angle neutron scattering
Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.
research Expression analysis of the type I keratin protein keratin 33A in goat coat hair
Keratin 33A is a key protein in goat winter coats, especially in high-producing breeds.
research Hair(y) Matters in Melanoma Biology
The document concludes that the immune-inhibitory environment of the hair follicle may prevent melanoma development.
research Histochemical observations of lectin-binding sites and keratin distribution in calcifying epithelioma of Malherbe.
Tumor cells in calcifying epithelioma of Malherbe resemble hair follicle cells.
research Ultrastructural aspect of the keratinolytic activity of piedra.
Piedraia hortae fungi dissolve both the outer and inner layers of hair.
research Bubble Hair and the Usefulness of Trichoscopy
Bubble hair damage is caused by high heat from styling tools, and trichoscopy helps diagnose it.
research Perspectives and Challenges of Hair Analysis
Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.
research Complementary evolution of coding and noncoding sequence underlies mammalian hairlessness
Hairless mammals have genetic changes in both their protein-coding and regulatory sequences related to hair.
research HAIR | Overview
The document explains how hair is studied in forensics to identify its source and its role in criminal investigations.
research Banded Scalp Hair with an Unusual Glistening Appearance in a Teenager: A Quiz
A teenager's hair with alternating white and dark bands, known as Pili annulati, is a genetic condition that is usually harmless and often considered attractive.