research Pili Annulati with Multiple Fragile Hairs
Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.
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300-330 / 1000+ results research Some electron microscope observations on hardening in the human hair follicle
The hair follicle structure is more complex than thought, with new findings on protein formation.
research X-rays studies of the structure of hair, wool, and related fibres. II. - The molecular structure and elastic properties of hair keratin
Stretched hair has a similar structure to natural silk, showing hair's elasticity involves reversible changes within its molecules.
research J. Cosmet. Sci., 59, 263–289 (July/August 2008) Characterization of curved hair of Japanese women with reference to internal structures and amino acid composition
Japanese women's curved hair has an uneven internal structure and varied amino acid composition.
research The cracking of human hair cuticles by cyclical thermal stresses
Frequent blow-drying causes cracks and breakage in hair cuticles.
research Cyclic combing of untreated and bleached human hair: Analysis of the time‐dependent breakage of hair through recording the formation of fibre fragments
Friction causes hair breakage during combing, and fragment count predicts hair strength.
research J. Cosmet. Sci., 58, 629–636 (November/December 2007) Hair breakage during combing. IV. Brushing and combing hair
Brushing causes more long hair breaks than combing, especially with bleached or wet hair.
research INTRODUCING THEORY LINKING GENESIS OF HAIR SHAFT BIPOLARITY WITH ARRECTOR PILI MUSCLE PROXIMAL ATTACHMENT
The document suggests that human hair has electrical charges because of a gap in nerve cell coverage that affects electromagnetic radiation.
research A Unique Case of Trichorrhexis Nodosa—"Bamboo Hairs"
A 4-year-old girl has a rare hair condition causing fragile, short hair.
research Structural Transition of Trichocyte Keratin Intermediate Filaments During Development in the Hair Follicle
research The keratin fibres
research Cortical cell types and intermediate filament arrangements correlate with fiber curvature in Japanese human hair
Hair curvature in Japanese people is linked to specific cell types and filament arrangements in the hair cortex.
research Cyclical dermal micro-niche switching governs the morphological infradian rhythm of mouse zigzag hair
Mouse zigzag hair bends form due to a 3-day cycle of changes in hair progenitors and their environment.
research Protein chains in hair and epidermal keratin IF: Structural features and spatial arrangements
research Unzipping the cuticle of the human hair shaft to obtain micron/nano keratin filaments
Researchers extracted tiny keratin filaments from human hair by unzipping its outer layer.
research Hair dysplasias
Hair dysplasias involve various hair disorders causing fragility, breakage, and poor hair adhesion.
research Fine structure of marsupial hairs, with emphasis on trichohyalin and the structure of the inner root sheath
Marsupial hair structure and keratin distribution are similar to placental mammals.
research "Curly" Wood and Tiger Tails
Tiger tail bands in hair are caused by wavy hair fibers with melanin, unlike straight fibers in normal hair.
research Circle hairs involving the extremities in a young girl
Circle hairs are harmless, spiral-shaped body hairs that don't need medical treatment.
research Curl secret in cells
Hair curliness is caused by the arrangement and length of two different cell types.
research Ultrastructural visualization of cross-linked protein features in epidermal appendages
Cross-linked proteins help maintain the structure of hair, feathers, and hagfish teeth.
research Keratin formation in the hair follicle
Keratin fibrils in hair form and stop growing at specific points in the follicle.
research Three-dimensional architecture of macrofibrils in the human scalp hair cortex
Human hair has a complex, variable structure with a consistent matrix and double-twist pattern.
research Pseudopili Annulati in a Dark‐Haired Individual: A Light and Electron Microscopic Study
A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.
research Bubble hair
Bubble hair deformity may be caused by hair shaft trauma and can improve with gentle hair care.
research Monilethrix: an ultrastructural study
Monilethrix hair issues are due to problems in the hair's internodes.
research Plica Neuropathica in 2 Hispanic Patients
Two Hispanic women developed Plica neuropathica, a condition causing tangled hair, possibly due to hair damage and various risk factors.
research Chapter 4 Cytomechanics of Hair
Hair's strength and flexibility come from its protein structure and molecular interactions.
research Plica neuropathica: Bird's nest under dermatoscope
Plica neuropathica is a tangled hair condition that may be caused by hair damage or psychiatric issues and is treated by cutting the hair and addressing mental health.
research Plica polonica: Trichoscopic findings with a brief literature review
Plica polonica is a rare condition where hair becomes irreversibly tangled, and the treatment is to cut the matted hair.