July 2025 in “Pigment International” Follicular vitiligo causes hair to gray without skin color loss.
26 citations
,
April 1996 in “Journal of Investigative Dermatology”
32 citations
,
April 1994 in “Journal of the American Academy of Dermatology” High androgen levels and genetic factors likely cause Becker's nevus and related symptoms.
4 citations
,
August 2022 in “Cells” lncRNA2919 slows down rabbit hair growth by stopping cell growth and causing cell death.
6 citations
,
April 1971 in “Journal of Wildlife Diseases” Switching flying squirrels' diet from seeds to mouse chow restored their hair.
23 citations
,
December 1991 in “Annals of the New York Academy of Sciences” Balding scalps slow down hair growth.
November 2023 in “Journal of cosmetic dermatology” The 595-nm pulsed dye laser effectively reduces symptoms of EFFC with minimal side effects.
March 2026 in “Dermatology Online Journal” Cystic panfolliculoma is a rare, harmless tumor that can be confused with other skin tumors.
17 citations
,
May 1969 in “American Journal of Physical Anthropology” The silver marmoset's skin is thin, lacks pigment cells, and has unique features like keratinized spines and specialized glands.
1 citations
,
August 2022 in “Journal of Dermatology and Dermatologic Surgery” A patient developed nerve problems as a side effect of a hair loss treatment called tofacitinib.
2 citations
,
March 1997 in “Veterinary Dermatology” The Doberman had multiple skin tumors, but it's unclear if color dilution increased the risk.
2 citations
,
January 2000 in “Journal of Toxicologic Pathology” A single recessive gene causes sparse hair in certain Japanese White rabbits.
September 2012 in “British Small Animal Veterinary Association eBooks” The document concludes that pigmentation disorders in animals involve complex interactions between melanocytes and keratinocytes.
64 citations
,
May 1981 in “Clinical and Experimental Dermatology” A possible link exists between hair follicle abnormalities, hair loss, and muscle weakness.
5 citations
,
January 2021 in “Indian Journal of Pathology and Microbiology” A rare eyelid tumor was successfully diagnosed and removed, highlighting the need for careful examination.
1 citations
,
August 2024 in “Pediatric Dermatology” A rare, harmless hair condition was found in an infant's eyebrow, needing no treatment.
May 2025 in “Journal of the Egyptian Womenʼs Dermatologic Society” Hair follicles in nonsegmental vitiligo are better protected from immune attacks than in alopecia areata.
7 citations
,
May 1988 in “International Journal of Dermatology” The patient's hair has unique structural differences with alternating bright and dark bands.
FGF9 helps hair follicles grow in small-tailed Han sheep by affecting cell growth and certain signaling pathways.
September 2017 in “Journal of Investigative Dermatology Symposium Proceedings” A 73-year-old woman with Hypopigmented Mycosis Fungoides, a rare skin lymphoma, experienced disease progression despite treatment, emphasizing the need for ongoing monitoring.
107 citations
,
July 1991 in “Journal of Allergy and Clinical Immunology” 5 citations
,
March 2016 in “Experimental and molecular pathology” Mice with alopecia areata had wider lymphatic vessels in their skin.
January 2014 in “Redalyc (Universidad Autónoma del Estado de México)” A Persian cat had a rare skin condition that didn't improve with treatment.
7 citations
,
April 2021 in “British Journal of Dermatology” Topical tofacitinib may effectively and safely regrow facial hair in some people with alopecia areata.
18 citations
,
July 2001 in “Australian veterinary journal” A cat with skin bumps and itching had high blood fats and skin infections, which improved with diet and medication changes.
January 1998 in “The Nishinihon Journal of Dermatology” A 7-year-old girl was diagnosed with Netherton's Syndrome, shown by skin and hair symptoms.
10 citations
,
May 2023 in “iScience” Sox9 is crucial for hair follicle stem cells to become melanocytes instead of glial cells.
April 2017 in “Journal of Investigative Dermatology” A virus protein can activate a pathway that may lead to abnormal hair follicle development.
1 citations
,
September 2023 in “Portuguese Journal of Dermatology and Venereology” Trichoscopy can help diagnose and decide when to biopsy folliculotropic mycosis fungoides.
1 citations
,
April 2017 in “Journal of Investigative Dermatology” D-OCT shows increased blood vessel growth in response to tissue damage in Frontal Fibrosing Alopecia and is useful for diagnosis and monitoring.