research Structural analysis of human hair fibers under the ultra‐high voltage electron microscope
Human hair structure varies by ethnicity, and certain treatments can improve hair condition and appearance.
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research Tensile properties of twisted hair fibers
Twisting hair weakens it, but strength can be recovered at low twist levels.
research Artificial Hair Fiber Restoration in the Treatment of Scalp Scars
Artificial hair fibers help treat scalp scars with few complications and a 20% yearly fiber fall rate.
research Keratin 79 identifies a novel population of migratory epithelial cells that initiates hair canal morphogenesis and regeneration
Keratin 79 marks a new group of cells that are key for creating and repairing the hair follicle's structure.
research Demethylation of methionine and keratin damage in human hair
Copper and iron cause keratin damage in hair by converting methionine to homocysteine.
research pH Dependence of the Coiled-Coil Structure of Keratin Intermediate Filament in Human Hair by 13C NMR Spectroscopy and the Mechanism of Its Disruption
Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.
research Impact of acid straightener's pH value in the hair fiber properties
Lower pH straighteners change hair more but weaken it.
research Charge density alterations in human hair fibers: an investigation using electrostatic force microscopy
The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.
research Wear characteristics of epoxy based hybrid composites reinforced with short hair fibers and glass micro spheres
Adding human hair fibers and glass micro-spheres to epoxy improves its wear resistance and strength.
research Enhanced ectodysplasin-A receptor (EDAR) signaling alters multiple fiber characteristics to produce the East Asian hair form
A genetic change in the EDAR gene causes the unique hair traits found in East Asians.
research Analyzing the laser-light reflection from human hair fibers Part1: Light components underlying the goniophotometric curves and fiber cuticle angles
Hair color affects light reflection, with black hair having higher cuticle angles and lighter hair showing less specular reflection.
research Brazilian keratin hair treatment: a review
Brazilian keratin treatments can straighten hair but may contain harmful formaldehyde.
research In Vitro Methodologies to Evaluate the Effects of Hair Care Products on Hair Fiber
Different tests are used to see how hair care products affect hair, and choosing the right test is important for accurate results.
research Human pollution exposure correlates with accelerated ultrastructural degradation of hair fibers
Pollution exposure speeds up hair damage.
research Keratin‐based particles for protection and restoration of hair properties
Keratin-based particles safely improve hair strength, smoothness, and heat protection.
research Molecular modeling and structural characterization of a high glycine–tyrosine hair keratin associated protein
The 3D structure of a key hair protein was modeled, revealing specific helical structures and stabilization features.
research Effects of Hair Fibers on Braking Friction Materials
Adding 1% hair fibers to brake materials improves friction and wear, making them more effective.
research Microscopic high-resolution digital volumetric imaging of human hair fibers
DVI provides detailed 3D imaging of hair and shows how various products protect and enhance hair.
research In vitro methodology, hormonal and nutritional effects and fibre production in isolated ovine and caprine anagen hair follicles
Angora goat hair grows faster and produces more protein than cashmere goat hair, and certain hormones and nutrients positively affect hair growth and protein synthesis.
research Investigating the internal structure of sheep wool hair fibre using new microscopic techniques
Curly wool has more orthocortex than straight wool.
research Quantitative Analysis of Cashmere and Other Animal Hair Fibers in Textiles Using MALDI-TOF Mass Spectrometry
The new method reliably identifies and measures different animal hair fibers in textiles.
research Distribution and Localization of Hydrophobic and Ionic Chemical Groups at the Surface of Bleached Human Hair Fibers
Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.
research Atmospheric Pressure Plasma Jet Treatment of Human Hair Fibers
Plasma jet treatments can clean hair and might replace peroxide for hair care.
research Study on modification of rabbit hair fibers with L-cysteine
L-cysteine and ultrasound successfully improved rabbit hair fibers for industrial use.
research Determination of Cystine and Cysteine in Altered Human Hair Fibers
Cold waving solutions quickly reduce cystine to cysteine in hair.
research Polymorphisms in the Human High Sulfur Hair Keratin-associated Protein 1, KAP1, Gene Family
Genetic variations in hair keratin proteins exist but don't significantly affect hair structure.
research Analysis of keratin films as screening tools for predicting the efficacy of potential hair dyes
Translucent keratin films are better for testing hair dyes.
research The susceptibility of disulfide bonds to modification in keratin fibers undergoing tensile stress
Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.
research Transcriptional activation of a subset of hair keratin genes by the NF-κB effector p65/RelA
The NF-κB effector p65/RelA activates hair keratin genes, aiding hair formation.
research Chapter 4 Cytomechanics of Hair
Hair's strength and flexibility come from its protein structure and molecular interactions.