research Hair diameter measurement methods: micrometer caliper versus phototrichogram
The phototrichogram is better for measuring hair thickness.
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research Phototrichogram Analysis of Japanese Female Subjects with Chronic Diffuse Hair Loss
Phototrichogram and hair diameter measurements are effective, noninvasive ways to assess hair growth and detect early hair loss, with the most common pattern being reduced hair density.
research Electrophoretic variability in human head hair: Polyacrylamide gel electrophoresis of hair proteins in the presence of sodium dodecyl sulfate and urea
Human head hair proteins can be typed into eight distinct patterns, useful for genetic and forensic investigations.
research Extradermal melanin transfer? Lack of macroscopic spleen melanization in old C57BL/6 mice with de-synchronized hair cycle.
Old C57BL/6 mice with unsynchronized hair cycles show less melanin in their spleens.
research The existence of a linear system consisting of sympathetic endings in rat skin
Rat skin has a linear system of nerve fibers linked to hair follicles and muscles.
research Regulatory pathway analysis of coat color genes in Mongolian horses
Genes influence horse coat color and may help understand human skin conditions.
research Cheating on forensic hair testing? Detection of potential biomarkers for cosmetically altered hair samples using untargeted hair metabolomics
Researchers found markers that can tell if hair has been bleached, which could improve hair test accuracy.
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 DSC-investigations of alpha-keratins and the specific effects of chemical treatments on human hair
Chemical treatments weaken hair's thermal stability and structure.
research Copper and calcium uptake in colored hair
Hair coloring increases copper and calcium uptake, damaging hair and reducing shine.
research Keratins and lipids in ethnic hair
African hair's keratin structure is influenced by its higher lipid content.
research Structural changes in trichocyte keratin intermediate filaments during keratinization
Keratin structure changes during keratinization, but the exact model remains uncertain.
research A Femtosecond Fiber Laser‐Based Compact Label‐Free Multimodality Nonlinear Optical Microscopy and Its Ex Vivo Bioimaging
A new laser-based microscope can clearly image biological structures without labels.
research Determination of Residual Organic Solvents in Finasteride by Headspace Capillary Gas Chromatography
A new method accurately detects tiny amounts of chloroform and dichloromethane in finasteride.
research Phototrichogram analysis of normal scalp hair characteristics with aging
Hair gets thinner and grayer with age, and density decreases more in men on top and in women on top and back.
research Ultrastructural Localization of Hair Keratins in Human Scalp Hair Shafts as Revealed by Rapid-Freezing Immunocytochemistry.
Hair keratins are mainly on macrofibrils in the cortex and in the endocuticle in the cuticle.
research Trichoscopic Signs in Dermatomyositis, Systemic Lupus Erythematosus, and Systemic Sclerosis: A Comparative Study of 150 Patients
Trichoscopy can help diagnose and assess disease activity in connective tissue diseases by identifying specific hair and scalp signs.
research Highlighting nuances of blue light phototherapy: Mechanisms and safety considerations
Blue light therapy is safe for skin and may protect against UV radiation.
research An approach to disorders of pigmentation
The document concludes that pigmentation disorders in animals involve complex interactions between melanocytes and keratinocytes.
research Hair Protein Polymorphism and Its Application to Forensic Science Hair Comparison.
Hair protein differences help identify species and individuals in forensic science.
research Reduction mechanism of L ‐cysteine on keratin fibers using microspectrophotometry and Raman spectroscopy
L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.
research Genetics of blond hair
Blond hair in Solomon Islanders is due to a unique genetic variant, not European ancestry.
research A validated RP-HPLC method to investigate finasteride in human skin after in vitro topically applying vesicular nanocarrier.
The method accurately measures finasteride in skin after using special carriers.
research Collective heterogeneity of mitochondrial potential in contact inhibition of proliferation
Mitochondrial activity varies in cells before they stop growing, affecting their growth potential.
research Evolution and genetic architecture of sex-limited polymorphism in cuckoos
Female cuckoo color differences are linked to their unique genes and help avoid male harassment.
research Polarized Microscopy as a Helpful Tool to Distinguish Chronic Nonscarring Alopecia From Scarring Alopecia
Polarized microscopy is a quick and free method to correctly identify types of hair loss.
research Porphyrinoid Photosensitizers for Targeted and Precise Photodynamic Therapy: Progress in Fabrication
Targeted photodynamic therapy is a promising method for precise disease treatment and diagnosis.
research Electron microscopy-image analysis: Quantification of ultrastructural changes in hair fiber cross sections as a
research Expression and Analysis of TBX3 Gene in the Skin from Three Locations on Dun Mongolian Bider Horse
TBX3 gene affects horse coat color, with higher expression in darker areas.
research The science of color: How chemical dyeing processes transform hair structure
Oxidative dyes damage hair more than semi-permanent dyes, but new technologies help protect hair while coloring.