17 citations
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January 2014 in “Journal of Oral and Maxillofacial Pathology” Seborrheic keratosis is a common, harmless skin growth that can look like cancer, so it may need a biopsy.
11 citations
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November 2019 in “The FASEB Journal” A mutation in the MAP2 gene causes reduced hair follicle density, leading to hairlessness.
March 2026 in “Journal of Investigative Dermatology”
1 citations
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January 2014 in “The Journal of Dermatology” A patient with Ivemark syndrome developed mixed type vitiligo after a hepatitis C infection, showing different treatment responses and immune cell involvement in the skin.
September 2024 in “Digital Commons - University of South Florida (University of South Florida)” Hormones can change ptarmigan feather color from white to pigmented.
56 citations
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December 1978 in “The Journal of Dermatologic Surgery and Oncology” Transplanting small skin grafts can successfully repigment leukoderma.
April 2021 in “Authorea (Authorea)” A 20-year-old woman had stable Progressive Hemifacial Atrophy and Vitiligo after treatment, suggesting a possible link between the conditions.
12 citations
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November 1987 in “Pediatric dermatology” Four children had unmanageable pale blond hair due to uncombable-hair syndrome.
Melanocytes can regenerate around hair follicles in bullous pemphigoid, especially in patients with darker skin.
1 citations
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July 2009 in “Journal of dermatology” A 29-year-old man had a jaw plaque diagnosed as follicular mucinosis, linked to nestin-positive hair follicle stem cells.
16 citations
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June 1992 in “Journal of Investigative Dermatology”
November 2023 in “Journal of the American Academy of Dermatology” Skin of color can spontaneously repigment after a phenol-croton oil chemical peel.
18 citations
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March 2015 in “Journal of Investigative Dermatology” Silencing certain circadian clock genes increases skin pigmentation.
3 citations
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January 2022 in “Medical Mycology Journal” Malassezia fungi in healthy noses can form a "spaghetti-and-meatballs" structure.
August 2023 in “International Journal of Molecular Sciences” The human scalp hair bulb contains different types of melanocytes with varying abilities to produce melanin.
73 citations
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December 2015 in “Nature Genetics” Mutations in TBX3 cause horses to have more even hair color instead of Dun camouflage.
2 citations
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March 2014 in “Veterinary World” Indian bison, black buck, and nilgai have distinct hair follicle patterns useful for species identification.
2 citations
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January 1999 in “Dermatology” 2 citations
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January 2002 in “Clinics in Dermatology” Vitiligo causes white skin patches, often starts before age 20, and is linked to other health issues.
10 citations
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November 2009 in “Pigment cell & melanoma research” The document concludes that MGRN1 affects mouse fur color by interfering with a receptor's signaling, but its full role in the body is still unknown.
3 citations
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January 2016 in “Dermatology online journal” Some people with lichen planus pigmentosus might later develop frontal fibrosing alopecia.
April 2018 in “Veterinary Pathology” Tigers had a skin condition causing hair loss and inflammation, but the cause is unknown and treatment didn't work.
18 citations
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April 2002 in “Journal of cutaneous pathology” Tiny infundibular cysts are the main lesions in chloracne, not comedones.
November 2025 in “Journal of Investigative Dermatology” Tanning ability is linked to specific DNA changes in skin genes.
A 32-year-old man with early graying hair shows a unique pattern, suggesting more research is needed on why hair grays early.
1 citations
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May 2020 in “Journal of The American Academy of Dermatology” The authors agree more research with proper control groups is needed to understand hair loss.
1 citations
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October 2019 in “International Journal of Dermatology and Venereology” Zebrafish help understand genetic causes of skin pigment disorders like albinism.
4 citations
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January 2019 in “Micron” Fetal hair follicles have melanocytes with melanosomes at different stages, which are broken down into pigment particles in keratinocytes.
2 citations
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October 2016 in “Nutrition in clinical practice” Vitamin B12 deficiency can cause facial dark spots that go away with treatment.
January 2008 in “대한피부과학회지” Micropigmentation is a safe procedure that effectively improves the appearance of scars on the scalp and eyebrows, with most patients showing excellent or good results.