research A novel method for visualizing hair lipids at the cell membrane complex: Argon sputter etching/scanning electron microscopy1
The method shows how hair lipids form specific patterns and their roles in hair structure.
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research Naturally Occurring Female Hairline Patterns
Most women have a widow's peak and specific hairline features useful for designing hair restoration surgery.
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 Advanced Scalp Measurement Using a Phototrichogram With a Protractor and Tapeline
The document concludes that using a phototrichogram with a protractor and tapeline is a reliable and noninvasive way to measure hair loss.
research Variation in the ovine trichohyalin gene and its association with wool curvature
Variation in the TCHH gene affects wool curliness in sheep.
research Cover Feature: Electronic Circular Dichroism Imaging (ECD i ) Casts a New Light on the Origin of Solid‐State Chiroptical Properties (Chem. Eur. J. 4/2022)
SR-ECDi helps better understand and map the chiroptical properties of solid chiral materials.
research A Raman spectroscopy investigation of the resilience of hair cuticular scales under uniaxial stress
Hair cuticles remain stable and resilient under stress due to strong protein content and crosslinking.
research Natural swing frequency of human hair - a novel method to quantify natural hair collective movements
Human hair movement is affected by its inner structure and chemical treatments.
research SUN-305 Hair Cortisol Measurement: An Innovative Method for Diagnosis and Follow-Up in Patients with Cushing’s Disease
Hair cortisol measurement can help diagnose and monitor Cushing’s disease.
research Curly Hair Follicle is Sculpted by a Contracted Arrector Pili Muscle. A Hypothesis with Treatment Implications
Relaxing the Arrector Pili Muscle might make curly hair straighter.
research Characterization of hair lipid images by argon sputter etching-scanning electron microscopy
Hair texture changes with age due to varying levels of lipids.
research Improved two‐dimensional electrophoretic mapping of Japanese human hair proteins; application to curved and straight Japanese human hairs; and protein identification by MALDI MS and MS/MS quadrupole time‐of‐flight mass spectrometry
The study found that minor protein differences between curved and straight Japanese hair are unlikely to significantly affect hair structure.
research Expression of Cyclooxygenase Isozymes During Morphogenesis and Cycling of Pelage Hair Follicles in Mouse Skin: Precocious Onset of the First Catagen Phase and Alopecia upon Cyclooxygenase-2 Overexpression
Overexpression of COX-2 causes early hair loss in mice, but can be prevented with a COX-2 inhibitor.
research Abnormal differentiation of epidermis in transgenic mice constitutively expressing cyclooxygenase-2 in skin
Overexpression of COX-2 in mice skin causes abnormal skin and hair development.
research Use of rotary echoes in 2 H
A new method accurately measures molecular movement without complex modeling.
research A Nonrandomized study of trichoscopy patterns using nonpolarized (contact) and polarized (noncontact) dermatoscopy in hair and shaft disorders
Polarized dermoscopy is slightly better than nonpolarized for diagnosing hair disorders, with each method having its own strengths.
research LB890 Cyclic hair growth requires spatiotemporal heterogeneity in hair follicle signaling network
Hair growth cycles need varied signals in space and time.
research Curly Hair Follicle is Sculpted by a Contracted Arrector Pili Muscle. A Hypothesis with Treatment Implications
Curly hair may be caused by a muscle contraction, and muscle relaxants might help treat it.
research The optical properties of human hair II. The luster of hair fibers
research Congenital ptosis repair with a frontalis silicon sling: comparison between Fox's single pentagon technique and a modified Crawford double triangle technique
The modified Crawford technique resulted in less lagophthalmos and better cosmetic outcomes for patients with lateral droop.
research How different is human hair? A critical appraisal of the reported differences in global hair fibre characteristics and properties towards defining a more relevant framework for hair type classification
Human hair varies widely and should be classified by curl type rather than race.
research Marangoni effect in the water wetting of surfactant coated human hair fibers
The study found that the Marangoni effect causes the uneven wetting of surfactant-coated hair due to the surfactant moving into the water.
research Line-Field Optical Coherence Tomography: Usefulness in the Non-Invasive Differential Diagnosis of Congenital Alopecia of Infancy
LC-OCT helps accurately diagnose different types of infant hair loss without invasive methods.
research Human scalp hair: geometry, biochemistry, growth parameters and mechanical characteristics
A 6-group geometric classification of human scalp hair is more reliable and objective for testing than an 8-group system.
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 Robust coupling between the C‐tactile afferent and the hair follicle in humans
C-tactile nerves are sensitive to hair movement.
research Development and initial validation of a modified Sinclair scale for female pattern hair loss in men
New scale reliably assesses male hair loss with female pattern.
research An occurrence analysis of ingredients declared as active in anti-hair loss products and systematic review of studies on their effectiveness
Most ingredients in anti-hair loss products lack scientific proof of effectiveness.
research Studies of light scattering from ethnic hair fibers
Different hair types from various ethnic groups affect hair shine due to characteristics like thickness and shape.
research Dynamic Trichoscopy
Trichoscopy is useful for diagnosing and monitoring hair and scalp conditions over time.