Black hair's diversity in patterns and textures is influenced by follicle shape and keratin, and it holds cultural, artistic, and mathematical significance.
24 citations
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January 2011 in “International Journal of Trichology” Light microscopy is useful for diagnosing different hair disorders.
23 citations
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April 2006 in “Skin Research and Technology” The study concluded that a special imaging technique showed women with hair loss have slower hair growth and a faulty hair replacement cycle.
1 citations
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September 2021 in “International journal of research - granthaalayah” Human hair has bipolar electrical charges because of a gap in the hair follicle's electromagnetic field.
62 citations
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December 2008 in “Journal of structural biology” Hair curvature in Japanese people is linked to specific cell types and filament arrangements in the hair cortex.
5 citations
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February 2017 in “Australasian Journal of Dermatology” Scarring hair loss found in female pattern; biopsy needed for diagnosis.
January 2000 in “Zhongguo yixue wulixue zazhi” Different human hair keratin types have unique structures that affect how they dissolve and can be used to create self-tendons.
May 2023 in “Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy” A new green method accurately measures finasteride and tadalafil in drugs and plasma.
October 2006 in “Eclética Química” Three methods accurately measure finasteride in tablets using dyes and bromate-bromide.
1 citations
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March 2014 in “Turkderm” Trichoscopy helps tell different hair loss types apart using specific scalp and hair patterns.
Chemical treatments weaken hair's thermal stability and structure.
18 citations
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June 2017 in “Journal of The American Academy of Dermatology” Trichoscopy helps diagnose frontal fibrosing alopecia, even with unusual patterns.
31 citations
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September 2016 in “PLoS ONE” Cell division orientation varies by body site and is linked to epidermal thickness and cell density.
42 citations
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January 2008 in “Dermatology” Dermoscopy effectively distinguishes between acute total hair loss and other types of female hair loss.
2 citations
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August 1987 in “Analytical Biochemistry” A new method isolated previously undetected hair proteins rich in glycine and tyrosine.
Hair coloring and bleaching can permanently break down hair protein and temporarily change its properties.
October 2023 in “Asian journal of pharmaceutical and clinical research” Standardized data is essential for diagnosing scalp and hair conditions in males.
1 citations
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November 2003 in “Humana Press eBooks” AFM helps study hair surfaces for dermatology, cosmetics, and forensics.
133 citations
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February 2019 in “PLoS Biology” Feather patterns in birds are shaped by signaling interactions and cell movements, with EDA/EDAR crucial for pattern formation.
November 2023 in “International Journal of Trichology” Trichoscopic features help diagnose and assess female pattern hair loss severity, with inflammation playing a key role.
11 citations
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June 1985 in “Journal of cutaneous pathology” Examining many sections is key to correctly diagnosing hair follicle disorders.
February 2025 in “Archives of Dermatological Research” Fibrosing alopecia can be diagnosed without typical signs of lichen planopilaris.
January 2006 in “Analytical chemistry, an Indian journal” Two accurate methods were developed to measure finasteride in tablets.
9 citations
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January 1999 in “Journal of Liquid Chromatography & Related Technologies” Best results found using acetonitrile, water, and trifluoroacetic acid or methanol mixture.
2 citations
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November 2025 in “Pharmaceutics” Moderately lipophilic dyes penetrate skin deeply, while highly hydrophobic or lipophilic dyes stay on the surface.
March 2026 in “International Journal of Advanced Biochemistry Research” German shepherd hair varies in color and pattern but is flat with a consistent internal structure.
35 citations
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November 2010 in “Journal of Cutaneous Pathology” Dilated follicular infundibula and increased catagen/telogen follicles are key indicators for diagnosing alopecia areata.
1 citations
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March 1998 in “Journal of Dermatological Science” 18 citations
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August 2009 in “Skin Research and Technology” OCT can identify hair structures, but chemical treatments can damage them.
25 citations
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June 2015 in “Seminars in Cutaneous Medicine and Surgery” The article explains how to tell apart and treat two common causes of hair loss in women.