September 2024 in “Ahmar Metastasis Health Journal” Ginger and celery extracts did not significantly improve hair growth in rats.
43 citations
,
November 1988 in “The Journal of Comparative Neurology” Different types of hairs on a rat's hindlimb have varying levels and patterns of nerve innervation.
January 2008 in “한국미용학회지” Certain enzymes and a growth factor were higher in mice treated with minoxidil or a peppermint and rosemary oil mix, which may be good indicators of hair growth.
22 citations
,
February 2008 in “Journal of Dermatological Science” EPR spectroscopy showed that spontaneous hair growth results in thicker skin and less pigmented hair than depilation-induced growth.
7 citations
,
October 2015 in “American Journal of Primatology” Monkeys with hair loss during pregnancy showed higher stress hormone levels and invested differently in their offspring.
June 2021 in “National Medical Journal of China” Bimatoprost helps mouse hair grow by turning on a specific growth pathway.
August 1969 in “Archives of Dermatology” After calciphylaxis, rats showed incomplete skin and hair regeneration, resembling scar tissue with fewer hairs.
December 2025 in “Toxicology and Applied Pharmacology”
23 citations
,
May 1998 in “Journal of Dermatological Science” Insulin or IGF-I is needed for hair growth in newborn mice, while minoxidil helps adult mouse hair grow, suggesting a way to study human hair loss.
32 citations
,
April 2001 in “Experimental Eye Research” Zinc is essential for healthy optic nerves, and its deficiency can damage them.
July 2024 in “Journal of Investigative Dermatology” JAK inhibitors improve hair growth in alopecia areata, especially in patchy types.
41 citations
,
April 1989 in “Experimental and Applied Acarology” 1 citations
,
October 2025 in “International Journal of Molecular Sciences” Mutating the gmds gene in zebrafish increases hair cell numbers and regeneration.
55 citations
,
February 1975 in “Journal of Cutaneous Pathology” Dermal cell activity increases during hair growth in rats.
11 citations
,
October 2002 in “Genetics” A new mouse hair mutation, called hague, is semidominant and unstable, but the exact cause is unknown.
April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Disrupting the Tsc2 gene in certain cells leads to thicker skin, larger hair, and changes in hair growth signaling, which can be partly reversed with specific treatment.
5 citations
,
February 2019 in “PloS one” Bald thigh syndrome in sighthounds is caused by structural defects in hair shafts due to downregulated genes and proteins.
1 citations
,
January 2023 in “SAGE open medical case reports” A new treatment called deucravacitinib helped a patient with severe hair loss grow their hair back quickly.
July 2025 in “Journal of Oncology Research and Therapy” 12 citations
,
January 1994 in “Dermatology” The patient's hair had unique damage and a lower sulfur-to-nitrogen ratio compared to relatives, but not compared to healthy controls.
Rex rabbits should not be slaughtered before 120 days for the best fur quality.
September 2016 in “British journal of dermatology/British journal of dermatology, Supplement” October 2024 in “Frontiers in Immunology” Pertussis toxin may contribute to hair loss in alopecia areata.
14 citations
,
September 2001 in “Archives of Dermatological Research” Blocking hair follicle development stops key gene signals needed for hair growth in mice.
November 2023 in “Journal of Investigative Dermatology” γδTregs can protect hair follicles from alopecia areata and may help regrow hair.
67 citations
,
August 2007 in “American Journal of Pathology” Overexpressing the mineralocorticoid receptor in mouse skin causes skin thinning, early skin barrier development, eye issues, and hair loss.
April 2018 in “Journal of Investigative Dermatology” Mutations in Far2 mice cause hair loss due to sebaceous gland issues.
19 citations
,
June 2006 in “Physiology & Behavior” Finasteride slows down motherly behavior in first-time pregnant rats.
86 citations
,
March 1993 in “Toxicology and Applied Pharmacology” Finasteride affects male rat genitalia development, causing abnormalities during specific pregnancy days.