January 2016 in “Indian dermatology online journal” Frontal fibrosing alopecia causes hair loss at the front hairline, and no effective treatment exists.
January 2022 in “Clinical Cases in Dermatology” A 4-year-old boy has a rare type of hair loss in a line pattern on his scalp.
34 citations
,
November 1987 in “Archives of Dermatology” Oral minoxidil helps hair regrowth in 80% of alopecia patients, but only 18% see cosmetic improvement.
24 citations
,
November 2003 in “Australasian Journal of Dermatology” A rare skin cancer caused hair loss and spread, needing multiple treatments.
1 citations
,
April 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Climate-related nutritional stress may cause hair loss in juvenile male Guadalupe fur seals.
16 citations
,
April 2012 in “Journal of mammalogy” Young female Australian fur seals are losing hair due to low tyrosine and zinc levels and high pollution exposure.
September 1997 in “Journal of The European Academy of Dermatology and Venereology” Examining scalp tissue under a microscope helps diagnose and understand hair loss diseases.
May 2021 in “British Small Animal Veterinary Association eBooks” If a dog's skin tests are normal but it has hair loss, consider other non-endocrine causes and choose tests based on the hair loss pattern.
4 citations
,
January 2017 in “Ciência Rural” A horse in Brazil with skin and gut issues was diagnosed with a severe disease and had to be euthanized.
April 2021 in “Aktuelle Dermatologie” Frontal Fibrosing Alopecia is a type of hair loss that mainly affects postmenopausal women, has unclear causes, and lacks evidence-based treatments.
March 2026 in “Trends in Sciences” A mouse model was created to study hair loss similar to humans.
4 citations
,
February 2022 in “JAAD case reports” The document concludes that low-dose oral minoxidil successfully regrew hair in a patient with permanent hair loss after chemotherapy and stem cell transplant.
November 2014 in “Prescriber” The 16-year-old girl with hair loss was successfully treated for alopecia areata, leading to significant hair regrowth.
July 1974 in “Archives of dermatology” The woman's widespread skin condition did not improve despite various treatments.
July 2023 in “Al-Azhar Assiut Medical Journal” Trichoscopy helps diagnose and manage hair and scalp disorders in children.
14 citations
,
June 1989 in “Journal of dermatology” Three siblings had both Vohwinkel's disease and congenital alopecia, with no effective treatment.
32 citations
,
June 1976 in “JAMA” Crash dieting can cause hair loss due to severe calorie restriction.
August 2025 in “Current Issues in Molecular Biology” Periplaneta americana extract helps hair regrowth in mice with alopecia.
12 citations
,
July 2015 in “Veterinary Dermatology” Microneedling helped two Pomeranian dogs with a hair growth disorder grow back 90% of their fur in 12 weeks, and the results lasted for a year.
1 citations
,
March 2021 in “CRC Press eBooks” Oral minoxidil may be a better treatment for hair loss than topical minoxidil.
January 2026 in “Surgical & Cosmetic Dermatology”
January 2022 in “Clinical, Cosmetic and Investigational Dermatology” A mix of methotrexate, corticosteroids, and topical minoxidil effectively treated severe total body hair loss, but caused stretch marks and needs long-term monitoring.
July 2023 in “International Journal of Trichology” The man's hair turned white suddenly but returned to normal on its own in 6 months.
September 2023 in “International Journal of Trichology” A rare hair regrowth pattern can occur in some people with alopecia areata.
4 citations
,
December 2020 in “Mammalian genome” Harlequin mutant mice have hair loss due to low AIF protein levels and retroviral element activity.
13 citations
,
January 2002 in “Clinics in dermatology” A mushroom extract might reduce hair loss and liver damage caused by certain chemotherapy drugs in animals.
November 2023 in “Scientific Reports” A gene mutation in Lama3 is linked to a common type of hair loss.
137 citations
,
April 2001 in “Journal of Clinical Investigation” Alopecia in these mice is caused by defective hair cycle communication due to missing vitamin D receptor function, not vitamin D levels.
2 citations
,
July 2013 in “Veterinary dermatology” Dog skin with hair loss, when transplanted to mice, regrew hair, suggesting the hair loss cause is likely body-wide, not skin-specific.
27 citations
,
January 1986 in “PubMed” 1% minoxidil didn't improve hair growth for severe alopecia areata.