17 citations
,
June 2014 in “Journal of Ultrasound in Medicine” Abnormal cuticle and hair shaft medulla cause hair loss in androgenetic alopecia; sonography helps diagnose and manage it.
January 2025 in “International Journal of Molecular Biology and Biochemistry” The Shindai method effectively extracts keratin from human hair, with potential uses in bioplastics and biofertilizers.
58 citations
,
January 2006 in “Skin Pharmacology and Physiology” High levels of testosterone and 5α-DHT can lead to cell death in cells important for hair growth.
48 citations
,
August 2001 in “Experimental dermatology” Researchers created a quick, cost-effective way to make skin-like tissue from hair follicles and fibroblasts.
January 2025 in “Science World Journal” Male and female scalp hair differ in size, density, length, curliness, pigmentation, and cuticle preservation.
235 citations
,
January 2011 in “Journal of Clinical Investigation” Men with baldness due to androgenetic alopecia still have hair stem cells, but lack specific cells needed for hair growth.
7 citations
,
January 1990 September 2016 in “Journal of dermatological science” The conclusion is that the variation in hair thinness in patients is mostly due to the amount of underdeveloped hairs, and treatments that thicken fine hairs might work for those with mild to severe conditions.
July 2025 in “Journal of Investigative Dermatology” Researchers created long-lasting, diverse skin organoids from mouse hair follicle stem cells, useful for studying skin.
87 citations
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August 1974 in “Journal of Investigative Dermatology”
24 citations
,
January 2011 in “International Journal of Trichology” Light microscopy is useful for diagnosing different hair disorders.
38 citations
,
September 1997 in “The journal of investigative dermatology/Journal of investigative dermatology” A mutation in mice causes hair loss and skin issues due to a defect in a gene affecting cell adhesion.
19 citations
,
July 2009 in “Clinical and Experimental Dermatology” The study found that long-term sun exposure does not significantly affect follicular plugs on the scalp, and the scalp's appearance is unique compared to other body parts.
95 citations
,
January 2009 in “Journal of Biomedical Optics” Nanoparticles penetrate hair follicles better when their size matches the cuticula thickness.
February 2024 in “Journal of Dermatological Science” Curved hair can develop when hair cells merge abnormally during growth.
November 2023 in “Frontiers in veterinary science” The study provides insights into hair growth mechanisms in yaks.
43 citations
,
November 1988 in “The Journal of Comparative Neurology” Different types of hairs on a rat's hindlimb have varying levels and patterns of nerve innervation.
August 2023 in “Journal of the American Academy of Dermatology” A scalp biopsy is essential for accurately identifying different types of hair loss.
14 citations
,
January 1996 in “Journal of Forensic Sciences” Hair can absorb and transfer opiates when soaked in water, with damaged hair absorbing more.
26 citations
,
January 1993 in “Dermatology” Exclamation mark hairs are not exclusive to alopecia areata.
143 citations
,
October 1988 in “Clinics in Dermatology” The understanding of male-pattern baldness remains unclear.
38 citations
,
April 2005 in “Journal of Investigative Dermatology” Human hair follicle cells can become fat and bone cells, useful for therapy.
5 citations
,
September 2012 in “Journal of Investigative Dermatology” Scientists can mimic hair disorders by altering genes in lab-grown human hair follicles, but these follicles lack some features of natural ones.
January 1953 in “Nihon Chikusan Gakkaiho” Soaking calf skin in lime solution dissolves cells at different rates, with optimal dehairing after 4-7 days.
1 citations
,
January 2020 in “Qucosa (Saxon State and University Library Dresden)” Fine hair on bovine leathers is hard to remove, lowering leather quality and value, but can be managed with specific processing methods.
2 citations
,
January 2017 in “Skin appendage disorders” Women with and without hair loss have similar amounts of exogen hairs, so these hairs are not a key factor in hair loss conditions.
3 citations
,
January 2019 in “Journal of Cutaneous and Aesthetic Surgery” Scalp and beard hair survive best in hair transplants, but the procedure needs high skill and takes longer.
29 citations
,
April 2020 in “Biomolecules” The 3D scaffold helped maintain hair cell traits and could improve hair loss treatments.