A man had a rare pigmented nodule on his scalp that developed from birthmarks.
2 citations
,
March 1977 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Defective mink guard hairs have split tips and missing cuticle cells, causing a metallic sheen.
147 citations
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September 2006 in “Developmental Cell” Too much Smad7 changes skin and hair development by breaking down a protein called β-catenin, leading to more oil glands and fewer hair follicles.
October 2022 in “Hair Transplantation” Motorized FUE with blunt punches improved hair restoration by reducing damage during graft harvesting.
February 2013 in “Journal of the American Academy of Dermatology” Uncombable hair syndrome causes dry, frizzy hair that can't be combed flat, seen in a young child.
53 citations
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October 2003 in “Developmental Biology” Too much Sonic Hedgehog protein stops hair growth in embryos.
20 citations
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February 2010 in “Journal of Investigative Dermatology” Slug (Snai2) helps regulate hair growth timing in mice.
September 2017 in “Journal of Investigative Dermatology” Hair care products used for 4 weeks made hair smoother.
1 citations
,
April 2017 in “Journal of Investigative Dermatology” SM04554 may increase hair growth as a topical treatment for androgenetic alopecia.
50 citations
,
November 2010 in “Tissue Engineering Part A” Hair follicle cells and intestinal tissue can create strong, functional blood vessel replacements.
1 citations
,
January 2017 in “Springer eBooks” January 2000 in “Medical Entomology and Zoology”
14 citations
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March 1995 in “Journal of cell science” SV40 T antigen in hair follicles causes abnormal hair and health issues in mice.
May 2006 in “The American journal of medicine” The man had persistent itchy bumps on his cheeks and neck despite trying different shaving products.
January 2023 in “Springer eBooks” May 2016 in “Hair transplant forum international”
29 citations
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September 1989 in “Journal of The American Academy of Dermatology” Abnormal scalp whorls can indicate brain development issues but may also be seen in neurologically normal people.
August 2025 in “Advanced Science” The corrections confirm the original findings on scarless hair follicle regeneration.
16 citations
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October 1992 in “Journal of cutaneous pathology” Bubble hair deformity may be caused by hair shaft trauma and can improve with gentle hair care.
June 2023 in “JAAD Case Reports” A man had a rare skin cancer that looked like a bald spot.
118 citations
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January 1992 in “Experientia” 1 citations
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January 2023 in “PubMed”
1 citations
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December 2023 in “Indian Dermatology Online Journal” Steatocystoma multiplex causes recurring skin cysts and needs early recognition for better management.
20 citations
,
July 2005 in “Experimental dermatology” The fuzzy gene is crucial for controlling hair growth cycles.
3 citations
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January 2019 in “Jikken doubutsu ihou/Jikken doubutsu/Experimental animals/Jikken Dobutsu” Pigs without the Hairless gene showed skin and thymus changes, useful for studying human hair disorders.
17 citations
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June 1990 in “PubMed” Hair varies in size and features depending on body region.
3 citations
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April 2016 in “International Journal of Dermatology” A young man was diagnosed with trichoepitheliomas, causing thick skin and hair loss.
January 2017 in “Springer eBooks” October 2023 in “Asian journal of pharmaceutical and clinical research” Standardized data is essential for diagnosing scalp and hair conditions in males.