Vogt–Koyanagi–Harada disease can cause rare hair growth on normally hairless thumb skin.
4 citations
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January 2014 in “Indian dermatology online journal” Monilethrix is a genetic hair disorder causing fragile, beaded hair with no effective treatment.
245 citations
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January 1998 in “Genes & Development” Hoxc13 gene is essential for hair, nail, and papilla development.
November 2009 in “Medical and Surgical Dermatology” 7 citations
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February 1962 in “Experimental Biology and Medicine” Male and female mice have different lipid compositions in their skin during hair growth cycles.
109 citations
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October 2007 in “Journal of pineal research” Melatonin helps regulate hair growth and protects the hair follicle from stress.
30 citations
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January 2013 in “Human Mutation” A mutation in the HOXC13 gene causes hair and nail problems in a Syrian family.
The 16th-century mummy's hair was well-preserved due to a calcium coating.
7 citations
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November 2014 in “Histochemistry and Cell Biology” The we/we wal/wal mice have defects in hair growth and skin layer formation, causing hair loss, useful for understanding alopecia.
January 2013 in “The Pan African medical journal” Monilethrix causes short, fragile hair with no specific treatment available.
1 citations
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January 2014 in “International Journal of Trichology” A patient with a rare hair condition and skin disorder showed hair improvement after treatment.
April 2023 in “Journal of Investigative Dermatology” Staphylococcus epidermidis affects hair growth and metabolism, suggesting it could help manage hair growth issues.
25 citations
,
October 1962 in “Journal of Ultrastructure Research” The hair follicle structure is more complex than thought, with new findings on protein formation.
1 citations
,
February 1991 in “Journal of Biological Chemistry” 33 citations
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July 2007 in “Journal of cell science” Miz1 is essential for proper hair structure and growth.
April 2023 in “Journal of Investigative Dermatology” Hair growth is driven by cells that move and change like a conveyor belt.
41 citations
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January 2001 in “Journal of Investigative Dermatology” 34 citations
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December 1984 in “Journal of Cutaneous Pathology” Monilethrix hair issues are due to problems in the hair's internodes.
2 citations
,
August 1994 in “Archives of dermatology” A 19-month-old boy with a rare hair disorder showed mild improvement with treatment, but his family chose gentle hair care due to limited success.
10 citations
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November 2017 in “Journal of Investigative Dermatology” A mutation in the FAM83G gene is linked to skin and hair abnormalities in two related individuals.
15 citations
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July 2016 in “Biochemical Journal” Wnt proteins from certain skin cells are crucial for normal hair growth and renewal.
25 citations
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October 2018 in “PloS one” Key genes regulate hair follicle phase changes in Inner Mongolia cashmere goats.
2 citations
,
July 2020 in “Giornale italiano di dermatologia e venereologia” A woman with frontal fibrosing alopecia experienced unusual hair growth after using a specific topical lotion.
7 citations
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May 1995 in “The journal of investigative dermatology/Journal of investigative dermatology” August 2018 in “Journal of Investigative Dermatology” Humans evolved to have less hair and more sweat glands than chimpanzees and macaques.
32 citations
,
December 1969 in “The Lancet” Children with marasmus have more resting hair follicles and thinner, less pigmented hair, showing long-term malnutrition.
4 citations
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January 2017 in “Annals of Dermatology” Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.
24 citations
,
January 1969 in “Archives of Dermatological Research” Hair malformations may occur due to timing issues in hair development.
August 2018 in “Pediatric Dermatology” A baby had a unique skin condition with a pale patch and surrounding dark hairs, not linked to other health issues.
21 citations
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April 2000 in “Journal of Cutaneous Pathology” The hamartoma is an abnormal hair growth with limited development in the upper hair follicle.