research Structural interspecies variability of mammals' hairs
Mammal hairs have different internal structures.
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960-990 / 1000+ results research Unveiling the link between surface physicochemistry and nanomechanical behavior in bleached and UV-irradiated human hair fibers
Bleaching and UV exposure significantly damage hair.
research Dermatoscopic Findings in Androgenetic Alopecia
Trichoscopy helps diagnose and track treatment for hair loss in men and women.
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 Calcium Regulation of Growth, Differentiation and Keratinization of Cultured Cells from Murine Hair and Hair Follicles : An Ultrastructural Study
research Single cell analysis of transcriptome and open chromatin reveals the dynamics of hair follicle stem cell aging
Hair follicle stem cells change states with age, affecting hair growth and aging.
research Abstract presented at the Joint meeting of the 21st meeting of the Japanese Research Society of clinical anatomy and the 6th meeting of the Society for aging image
High-resolution imaging is crucial for diagnosing and planning treatments in clinical anatomy and aging.
research Histopathological investigation of clinically non‐affected perilesional scalp in alopecias detected unexpected spread of disease activities
Scalp areas that look normal in people with hair loss may still show signs of disease under a microscope.
research Comparison of MMP1 gene expression and collagen percentage in response to polydioxanone, poly-L-lactic acid and polycaprolactone thread implantation in ageing rat skin
PDO, PLLA, and PCL threads increase collagen in ageing skin but don't change MMP1 gene expression.
research In pemphigus, cell detachment, but not autoantibody binding, induces cell-wide, long-lasting transcriptomic and proteomic changes
Cell detachment, not autoantibody binding, causes major changes in pemphigus.
research Analysis of the scalp of women with AIDS subjected to autopsy: epithelial, follicular, and immunologic aspects
AIDS may cause changes in the scalp that increase infection risk and hair loss.
research The Chronic Thermal Stress Model of Androgenetic Alopecia: A Unified Environmental–Vascular–Molecular Hypothesis
DHT increases scalp heat, causing hair loss.
research [Wooly hair syndrome. Clinical and microscopic study].
Woolly hair syndrome is a genetic condition causing frizzy, fragile hair.
research Hair shaft miniaturization causes stem cell depletion through mechanosensory signals mediated by a Piezo1-calcium-TNF-α axis
Hair thinning causes stem cell loss through a process involving Piezo1, calcium, and TNF-α.
research Hair presentation test
The woman's hair loss pattern doesn't match typical conditions like alopecia areata or female pattern hair loss.
research Trichorrhexis Nodosa
Trichorrhexis nodosa is mainly caused by hair trauma and improves with gentler hair care.
research Reply to comment on: Pattern hair loss. Assessment of inflammation and fibrosis on histologic sections
The authors agree more research with proper control groups is needed to understand hair loss.
research Inhibitory effect of 7DHC and BM15766 in HF organoid culture.
7DHC and BM15766 damage hair follicle structure and reduce key gene expression.
research Trichoscopy in Hair Shaft Disorders
Trichoscopy is a useful tool for diagnosing hair disorders without pulling out hair.
research The physical and chemical disruption of human hair after bleaching – studies by transmission electron microscopy and redox proteomics
Bleaching hair causes severe structural and chemical damage, including protein loss and oxidation.
research Deciphering principles of morphogenesis from temporal and spatial patterns on the integument
The conclusion is that skin and hair patterns are formed by a mix of cell activities, molecular signals, and environmental factors.
research Mechanisms of skin vascular maturation and maintenance captured by longitudinal imaging of live mice
research HAIR-ROOT ADAPTATION TO MARASMUS IN ANDEAN INDIAN CHILDREN
Children with marasmus have more resting hair follicles and thinner, less pigmented hair, showing long-term malnutrition.
research Dermoscopic features of androgenetic alopecia and their clinical implications
Hair diameter difference, brown skin discoloration around hair follicles, and missing hair in certain areas are key signs of androgenetic alopecia (commonly known as hair loss) when viewed under a dermoscope.
research Features of skinfold thickness in Ukrainian men with alopecia areata
Men with alopecia areata have different body fat distribution compared to healthy men.
research A case of acquired trichorrhexis nodosa after applying new hair spray
New hair spray caused a hair shaft disorder.
research A Prospective Study of Dermoscopic and Ultrastructural Features of Vitiligo-Associated Leukotrichia
The study found that white hair in vitiligo has specific patterns and structures, which vary with the stage of the disease and may be similar to another hair condition.
research A histologic review of 27 patients with lichen planopilaris
The conclusion is that certain scalp tissue changes are characteristic of lichen planopilaris, with mucinous perifollicular fibroplasia being a new feature for diagnosis.
research Quantitative analysis of the anatomical changes in the scalp and hair follicles in androgenetic alopecia using magnetic resonance imaging
MRI reveals thinner scalps and smaller hair follicles in people with androgenetic alopecia.
research Considerations for cutaneous physiologic changes of pregnancy that fail to resolve postpartum
Some skin changes from pregnancy like hair loss, excessive hair growth, palm redness, and stretch marks may not go away after birth and could suggest a misdiagnosis or hidden condition.