January 2013 in “The Pan African medical journal” Monilethrix causes short, fragile hair with no specific treatment available.
6 citations
,
December 2011 in “Clinical and Experimental Dermatology” A woman developed rare, unexplained curly hair on her scalp and eyelashes.
3 citations
,
August 2013 in “Stem cells” Certain inhibitors applied to the skin can promote hair growth by maintaining a key hair growth signal.
October 2022 in “The Korean Journal of Physiology and Pharmacology” Targeting the PGD2-DP2 pathway may help treat hair loss.
March 2003 in “CRC Press eBooks” Telogen effluvium is hair loss caused by many hairs stopping growth suddenly, often due to stress or illness, but sometimes it's normal and not due to disease.
21 citations
,
January 2010 in “International journal of trichology” Trichoscopy can diagnose monilethrix, a genetic hair defect causing hair thinning and loss.
38 citations
,
July 1989 in “Archives of dermatological research” Testosterone causes hair loss in AGA mice, which are good for testing baldness treatments, and both minoxidil and cyproterone acetate can prevent this hair loss.
May 2015 in “Hair transplant forum international” Androgenetic alopecia causes hair loss by shrinking hair follicles due to androgens, with the connection between the muscle and hair follicle determining if the loss is reversible.
5 citations
,
January 2009 in “International Journal of Trichology” Two siblings had a rare hair condition with banded hair, which doesn't need treatment.
1 citations
,
October 2012 in “The Journal of Dermatology” A Korean girl developed kinky hair without known cause or effective treatment.
January 2017 in “대한피부과학회지” Minoxidil effectively improved hair loss in a teenage girl with androgenetic alopecia.
20 citations
,
January 1995 in “Cells tissues organs” Changing light periods synchronized wool growth cycles in sheep.
1 citations
,
December 2022 in “Skin Appendage Disorders” Teledermatology can effectively diagnose Loose Anagen Syndrome remotely.
6 citations
,
January 2022 in “Journal of Investigative Dermatology” Male pattern baldness is linked to higher levels of a certain receptor in the scalp, which leads to the shrinking of blood vessels and hair loss. Early treatment targeting this receptor could be more effective.
2 citations
,
September 1980 in “Experientia” Polyethylene alanine caused hair loss in young lab animals but not in adults, with hair regrowth occurring within 20 days.
July 2025 in “Journal of Drug Delivery Science and Technology” Hydrogel microneedles with special nanoparticles and growth factor improve hair growth better than minoxidil for hair loss treatment.
Androgenetic alopecia (AGA) is a common, hereditary hair loss condition that can be slowed but not permanently reversed with available therapies.
3 citations
,
November 2021 in “Journal of The American Academy of Dermatology” Androgenetic alopecia, a genetic disorder affecting up to 50% of adults, is caused by an excessive response to androgens leading to hair follicle shrinkage. Treatments include FDA-approved drugs, other therapies like low-dose oral minoxidil, and hair transplantation.
10 citations
,
September 2016 in “Animal genetics” Researchers identified key genes and proteins linked to wool growth in sheep.
7 citations
,
January 1971 in “Archives of Dermatological Research” October 2024 in “Skin Research and Technology” Pili annulati causes zebra-striped hair but doesn't affect hair strength or quality of life.
April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” DHT increases scalp heat, causing hair loss.
10 citations
,
October 2021 in “Animal nutrition” Vitamin B6 helps increase hair growth and density in rabbits by affecting certain cell signaling pathways.
August 2021 in “Clinical and Experimental Dermatology” Children under 10 can experience hair thinning without hormone issues, and it may improve with treatment.
19 citations
,
May 2006 in “Clinical and Experimental Dermatology” Researchers found a new mutation causing total hair loss from birth.
33 citations
,
January 2007 in “Pediatric dermatology” Hair thinning and loss in a girl with a rare metabolic disorder was linked to her condition.
January 2025 in “Dermatology Online Journal” The man's hair loss and skin papules were diagnosed as atrichia with papular lesions, not alopecia areata universalis.
18 citations
,
January 2019 in “Experimental Dermatology” Certain cells outside the hair follicle's bulge area can quickly regenerate damaged hair follicles, potentially helping to reduce hair loss from cancer treatments.
4 citations
,
January 2011 in “Annals of Dermatology” Researchers found a new mutation in the HR gene linked to a rare hair loss condition.
30 citations
,
February 1977 in “Nature” The dermal papilla can still grow new hair even after heavy radiation.