September 2025 in “Cosmoderma” Pandemic stress worsens hair loss and skin issues, suggesting combined mental and skin care treatments.
28 citations
,
January 2021 in “Skin appendage disorders” COVID-19 may cause early hair loss similar to classic temporary hair loss, with further research needed.
375 citations
,
February 2006 in “Journal of Cell Science” The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.
2 citations
,
January 2021 in “Journal of The American Academy of Dermatology” A simple scalp scraping can effectively distinguish fibrosing alopecia from androgenetic alopecia with seborrheic dermatitis.
2 citations
,
August 2020 in “Dermatologic Therapy” Low ferritin and zinc levels, as well as anemia, are linked to more severe hair loss in Egyptian children with chronic hair shedding.
103 citations
,
January 2006 in “Journal of Cell Science” The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.
148 citations
,
October 1997 in “Journal of Investigative Dermatology”
7 citations
,
February 2022 in “Journal of Cosmetic Dermatology” COVID-19 infection or vaccination may influence the development of alopecia areata, a type of hair loss.
18 citations
,
May 2023 in “Science Advances” Activating the sonic hedgehog pathway in chicken embryos can permanently change scales to feathers.
30 citations
,
February 2023 in “Animals” Hair follicle traits at 6 months can help select cashmere goats for breeding.
November 2023 in “Animals” Feeding goats more during the non-growing period increases cashmere yield and length.
9 citations
,
October 1989 in “Australian Journal of Agricultural Research” Mouse epidermal growth factor temporarily stops wool growth and causes cell changes in Merino sheep.
40 citations
,
January 2010 in “International Journal of Trichology” Loose Anagen Syndrome is a hair condition where hairs can be easily pulled out, mainly affecting young girls, and may improve on its own or with treatment.
July 2020 in “Research Square (Research Square)” The study found key long non-coding RNAs involved in yak hair growth cycles.
March 2024 in “Brazilian Journal of Veterinary Pathology” The dog likely has a canine alopecia X-like disorder.
November 2025 in “F1000Research” Certain fungi may contribute to hair loss in cynomolgus macaques.
2 citations
,
July 2024 in “International Journal of Molecular Sciences” Csdc2 helps hair growth in cashmere goats by regulating specific genes.
5 citations
,
April 2019 in “Veterinary Dermatology” Cats infested with Lynxacarus radovskyi can lose hair without inflammation, treatable with selamectin.
2 citations
,
June 2010 in “Medicina de Familia SEMERGEN” The girl's "dandruff" was actually harmless hair casts, not a hygiene issue.
July 2016 in “Journal of Investigative Dermatology” Balding scalps show different gene expressions affecting hair growth compared to non-balding scalps.
277 citations
,
June 2003 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Epithelial-mesenchymal interactions control hair growth cycles through specific molecular signals.
October 2025 in “Brazilian Journal of Hair Health” Hair loss from weight-loss treatments is usually temporary and reversible.
1 citations
,
January 2016 in “Journal of Biosciences and Medicines” The ACTH/MC2R system is crucial for controlling hair growth cycles in mice.
2 citations
,
February 2025 in “PLoS ONE” Key proteins influence wool quality by affecting hair follicle development in sheep.
17 citations
,
May 2018 in “Journal of Cosmetic Dermatology” Most women in the study lost hair due to chronic shedding, with stress and nutrient deficiencies being common factors.
1 citations
,
March 2020 in “Australasian Journal of Dermatology” The paper concludes that recognizing bitemporal alopecia areata is important for early treatment and preventing its progression.
1 citations
,
October 2022 in “The Journal of Dermatology” Hair loss occurred after a COVID-19 infection.
1 citations
,
November 2023 in “Indian Dermatology Online Journal” Severe itching from shingles can cause hair loss due to rubbing.
1 citations
,
March 2013 in “PubMed” The study found that it's hard to tell the difference between two types of hair loss, alopecia areata and telogen effluvium, by looking at symptoms and tissue samples.
November 2025 in “Scientific Reports” COVID-19 may cause hair loss by affecting hair follicles.