research Physical Properties of Human Hair: Evaluation of Bending Stress by Measuring the Major and Minor Axis of Human Hair
The cuticle significantly contributes to hair stiffness, making up about 60% of the total bending stress.
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research A Highly Resistant Structure Between Cuticle and Cortex of Human Hair
A tough membrane between the outer and inner layers of human hair protects it from damage.
research Characterization of Human Ovarian Teratoma Hair Using AFM, FT-IR, and Raman Spectroscopy
Teratoma hair is similar to scalp hair but has a rougher surface and lower adhesive force.
research Nanomechanical Characterization of Human Hair Using Nanoindentation and SEM
Human hair's strength and flexibility vary by ethnicity, damage, and treatment.
research Investigation of Hair Dye Deposition, Hair Color Loss, and Hair Damage During Multiple Oxidative Dyeing and Shampooing Cycles
Repeated dyeing and shampooing cause hair color loss and damage.
research Cross-Linked Features of Mouse Pelage Hair Resistant to Detergent Extraction
Some mutant mice have hair with abnormal cross-linking, mainly in the cuticle, not affecting other hair parts.
research Compartmentation of Mitochondrial and Oxidative Metabolism in Growing Hair Follicles: A Ring of Fire
Growing hair follicles have high mitochondrial activity and ROS in specific regions, aiding hair formation.
research Scanning Electron Microscope Evaluation of Hair Dye Effects on the Cuticle Cells of Canine Hair
Hair dye can damage dog hair and cause health issues.
research Microscopical Characterization of Known Postmortem Root Bands Using Light and Scanning Electron Microscopy
The research found that postmortem root bands in hair are likely caused by the breakdown of a specific part of the hair's inner structure after death.
research The G60S Connexin43 Mutant Regulates Hair Growth and Hair Fiber Morphology in a Mouse Model of Human Oculodentodigital Dysplasia
The G60S Connexin43 mutation causes hair growth issues and poor hair quality in mice, similar to human ODDD patients.
research Evaluation of Polymethylene Waxes as Conditioning Agents in Hair Relaxers
Polymethylene wax in hair relaxers makes hair smooth and shiny with less damage.
research Topographical and Tribological Characteristics of Asian Human Hair Cuticles
Hair damage increases significantly with higher temperatures and longer heating times.
research The Cracking of Human Hair Cuticles by Cyclical Thermal Stresses
Frequent blow-drying causes cracks and breakage in hair cuticles.
research The Structural Implications of Water Hardness Metal Uptake by Human Hair
Human hair absorbs calcium and magnesium from tap water, affecting its structure and styling properties.
research An Ultrastructural Study on Corkscrew Hairs and Cigarette-Ash-Shaped Hairs Observed by Dermoscopy of Tinea Capitis
Corkscrew and cigarette-ash-shaped hairs in tinea capitis are caused by internal hair degradation and external resistance.
research Loose Anagen Hair Syndrome: A Case Study of a 6-Year-Old Girl
A 6-year-old girl's inability to grow her hair long was due to Loose Anagen Hair Syndrome, which causes hair to shed easily and may improve with age.
research Role of Scalp Health in Achieving Optimal Hair Growth and Retention
Healthy scalp leads to better hair quality and less damage.
research Integral Hair Lipid in Human Hair Follicle
Human hair has a protective lipid layer that can be damaged by moisture and treatments, affecting hair growth and health.
research Non-Invasive Evaluation of Hair Interior Morphology by X-Ray Microscope
X-ray microscopy can non-invasively show hair structure changes after treatments, but it's less detailed than TEM and needs improvement.
research Characterization of Human KAP24.1, A Cuticular Hair Keratin-Associated Protein with Unusual Amino Acid Composition and Repeat Structure
Scientists discovered a unique hair protein, KAP24.1, with a special structure, found only in the upper part of hair cuticles.
research Structural Analysis of the Outermost Hair Surface Using TOF-SIMS with Gas Cluster Ion Beam Sputtering
The hair's outermost surface has multiple layers of lipids and proteins.
research Fine Structure and Immunocytochemistry of Monotreme Hairs, with Emphasis on the Inner Root Sheath and Trichohyalin-Based Cornification During Hair Evolution
Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.
research Transglutaminase-3 Enzyme: A Putative Actor in Human Hair Shaft Scaffolding?
TGase 3 helps build hair structure by forming strong bonds between proteins.
research Change in Surface Chemistry of the Cuticle of Human Hair by Chemical and Photochemical Oxidation
Oxidation changes human hair by breaking down fats and forming new acidic groups, affecting how it interacts with conditioners and cosmetics.
research Whole Exome Sequencing in Alopecia Areata Identifies Rare Variants in KRT82
Rare changes in the KRT82 gene are linked to a higher risk of Alopecia Areata.
research Expression of Novel Keratin-Associated Protein 5 Genes in the Cuticle Layer of Human Hair Follicles
The study found nine new hair protein genes in human hair follicles.
research Recent Advances in the Characterization of Hair of Mummies from the Chilean Andean Coast
The hair of two ancient Chilean mummies is well-preserved and contains high levels of heavy metals.
research Regulation of Hair Growth
The document concludes that treatments like oral anti-androgens, minoxidil, and topical spironolactone can be effective for hair loss in men and women.
research Absence of H2O2 Breakdown in Human Hair Medulla: Implications in Follicular Melanogenesis
Human hair medulla doesn't break down hydrogen peroxide, which may affect hair color formation.
research Gene Expression of Mouse S100A3, a Cysteine-Rich Calcium-Binding Protein, in Developing Hair Follicle
S100A3 protein is crucial for hair shaft formation in mice.