research Torsional behavior of human hair
Water makes hair more flexible, especially the outer layer.
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research Development of Hair Fibres
research Quantifying whole human hair scalp fibres of varying curl: A micro‐computed tomographic study
Human hair varies in structure based on curl type, with high curl hair showing the most differences.
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 Tensile properties of twisted hair fibers
Twisting hair weakens it, but strength can be recovered at low twist levels.
research Mapping cell dynamics in human ex vivo hair follicles suggests pulling mechanism of hair growth
Hair growth may involve a pulling force from the outer root sheath.
research Pathogenesis in pili torti: morphological study
Pili torti hair twists due to uneven outer root sheath cell development.
research Circle Hairs in a Patient with Multiple Myeloma
An elderly woman with cancer improved after treatment for a rare skin condition with coiled hairs.
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 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 The three-dimensional microvascular and collagen fibrillar arrangements around rat vibrissa hairs as revealed by scanning electron microscopy
The lower part of rat vibrissa hair gets more blood and is well-protected for growth.
research The Secrets of Beautiful Hair: Why is it Flexible and Elastic?
Beautiful hair is flexible and elastic due to its unique double-layered structure and can be enhanced with succinic acid treatment.
research ELECTRON MICROSCOPE STUDIES OF HAIR AND WOOL
Hair and wool have complex microscopic structures with microfibrils and varying cystine content.
research Some observations on the proteins of the inner root sheath cells of hair follicles
research Carbon-13 n.m.r. studies of keratin intermediate filament of human hair
Human hair keratin has a 40% α-helix structure that changes to a random coil in 8 M urea.
research Dataset from the uniaxial tensile testing of human curly hair fibers under different conditions
Curly hair's strength and flexibility vary with moisture and temperature.
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 Hair-on-hair static friction coefficient can be determined by tying a knot
Tying a knot can measure hair friction, useful for medical applications.
research An Ultra-high Sulfur Keratin Gene is Expressed Specifically During Hair Growth
research Pili Trianguli et Canaliculi Is a Defect of Inner Root Sheath Keratinization
The hair defect is due to abnormal inner root sheath keratinization.
research Bubble hair
Bubble hair deformity may be caused by hair shaft trauma and can improve with gentle hair care.
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 The keratin fibres
research Fine Structure of the Fully Keratinized Hair Cuticle in the Head Hair of the Human
Human hair cuticle has five cell layers with specific junctions and granules.
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 Proteopedia entry: Coiled‐coil structure of keratins
Keratins are crucial proteins for hair and nails, with a structure that helps teach protein principles.
research Interactions between Crossed Hair Fibers at the Nanoscale
Hair fibers interact through classical forces, which are influenced by treatments and products, important for hair care and other applications.
research Uncombable hair (pili trianguli et Canaliculi): Evidence for dominant inheritance with complete penetrance based on scanning electron microscopy
Uncombable hair is inherited dominantly with complete penetrance.
research Uncombable hair syndrome: A case presentation
Uncombable hair syndrome causes dry, frizzy hair that can't be combed flat, seen in a young child.