9 citations
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January 2014 in “Journal of analytical & bioanalytical techniques” The study did not conclude whether hair can reliably indicate kidney stones, cholelithiasis, hypertension, or diabetes.
January 2015 in “Chinese Veterinary Science” Recognizing ultrastructures of cashmere goat hair follicles helps identify and locate follicle layers.
25 citations
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October 1962 in “Journal of Ultrastructure Research” The hair follicle structure is more complex than thought, with new findings on protein formation.
59 citations
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August 1981 in “PubMed” Trichilemmal keratinization is a unique process in hair follicles where the outer root sheath turns into keratin without a specific layer.
24 citations
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December 1990 in “Pediatric Dermatology” Tight hairstyles like ponytails may cause hair casts by affecting scalp circulation and causing inflammation.
24 citations
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December 1957 in “Experimental Cell Research” The glassy layer of hair follicles has different fibril sizes and arrangements in guinea pigs and young mice.
11 citations
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February 1982 in “RePub (Erasmus University, Rotterdam)” Studying hair roots can help diagnose hair diseases and guide treatments.
3 citations
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August 2013 in “Journal of the American Academy of Dermatology” A new method quickly detects hair changes from EGFR inhibitors using a microscope.
19 citations
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July 1964 in “PubMed” Hair follicle cells become four types: medulla, cortex, cuticle, and inner root sheath.
29 citations
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July 1982 in “British Journal of Dermatology” Lithium treatment can cause increased hair shedding and hair loss in patients.
4 citations
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January 2019 in “Micron” Fetal hair follicles have melanocytes with melanosomes at different stages, which are broken down into pigment particles in keratinocytes.
30 citations
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November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” The lipid in human hair follicles acts as a barrier, similar to the skin's lipid layer.
September 1989 in “PubMed” The method allows detailed observation of hair tissue structures.
116 citations
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April 1986 in “The journal of cell biology/The Journal of cell biology” Trichohyalin is a protein in hair follicles that helps form hair filaments.
12 citations
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June 2009 in “Journal of Cosmetic Dermatology” Loose Anagen Hair syndrome occurs in dark-skinned children and often improves on its own.
Monegy, a mix of certain plant extracts, may promote hair growth and repair.
September 1984 in “Journal of Biological Education” Human hair growth involves active, resting, and intermediate phases, and examining plucked hairs can teach students about hair biology and diseases.
11 citations
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March 2001 in “Clinics in Dermatology” Hair microscopy is useful for diagnosing hair disorders, but clear definitions are needed for accurate genetic analysis.
1 citations
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November 2002 in “Journal of dermatology” The antibody created from BCC tissues reacts similarly to both BCC and hair follicles, suggesting BCC may come from hair follicle cells.
March 1995 in “The Journal of Dermatology” Immature hair cells can grow and change into different types of hair cells over time.
17 citations
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April 1997 in “American Journal of Dermatopathology” PC-associated alopecia has unique microscopic features.
3 citations
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December 2013 in “Journal of Dermatology” Scanning electron microscopy revealed four distinct hair root shapes in alopecia areata, suggesting a less invasive diagnostic method.
71 citations
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January 2011 in “Journal of cutaneous pathology” A rare skin condition was confirmed to be associated with a specific virus in a young girl.
26 citations
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December 2022 in “Journal of the American Academy of Dermatology” Monkeypox skin lesions show full-thickness skin death and swollen skin cells, with the virus found in affected cells.
January 2014 in “Journal of the Korean Society of Design Culture” The study confirmed that changes in hair structure in women with hair loss conditions matched what is taught in beauty college trichology courses.
Loose anagen syndrome causes easy hair shedding in children, often resolving on its own.
October 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Root hair growth slows under force, confirming a model of cell wall mechanics.
31 citations
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December 2010 in “Journal of the American Academy of Dermatology” Loose anagen hair syndrome is caused by structural abnormalities in the hair follicle's inner root sheath.
March 2019 in “Zenodo (CERN European Organization for Nuclear Research)” Both Ayurvedic treatments improved hair fall, with Shirodhara being especially effective.
13 citations
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September 2020 in “Sensors” Hair follicles have a pH gradient, increasing towards the root.