1 citations
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May 2012 in “Clinical and Experimental Dermatology” Iron can be present in hair color changes without overall iron deficiency.
August 2024 in “Biophysics Reviews” Mammal hairs have different internal structures.
5 citations
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October 2021 in “Vlaams Diergeneeskundig Tijdschrift” The protocol is easy to use, but reliable results need the same person to assess each time.
September 2021 in “CRC Press eBooks” Pregnancy can cause normal skin changes, including darkening of certain areas, nail changes, vascular changes, and breast changes like stretch marks.
November 2025 in “BMC Genomics” Genetic differences in sheep affect wool type, with fat and immune genes influencing hair traits.
January 2023 in “Figshare” Mouse skin and hair aging starts at 200 days, with changes in hair follicles and more white hairs as signs of aging.
Sheep can lose wool quickly due to stress, but it doesn't cause itching or pain.
October 2019 in “European Journal of Dermatology” The boy's hair and skin color differences are due to a pigmentation disorder.
18 citations
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October 2017 in “PLOS ONE” The study concluded that similar pathways regulate hair growth in dogs and mice, and these pathways are disrupted in dogs with Alopecia X, affecting stem cells and hormone metabolism.
"Bider" markings in Dun Mongolian horses are caused by a complex network of genes and pathways.
January 2025 in “Зоологический журнал / Russian Journal of Zoology” Baikal seals' skin shows normal adaptations and potential pathologies possibly linked to climate change and a viral pathogen.
August 2004 in “Veterinary Dermatology” The red panda's hair loss was caused by an endocrine issue linked to ovarian tumors.
17 citations
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February 2011 in “International Journal of Cosmetic Science” Grey hair is wilder, drier, and less manageable than pigmented hair.
2 citations
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May 2018 in “Australasian Journal of Dermatology” Some patients' hair grew back black and white after chemotherapy.
2 citations
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May 2019 in “International Journal of Molecular Sciences” Tranexamic acid turns white hair brown in certain mice by affecting specific proteins.
5 citations
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February 2012 in “Australasian Journal of Dermatology” Two red-haired men with alopecia areata regrew black hair instead of red.
7 citations
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November 2022 in “International Journal of Molecular Sciences” As Japanese males age, their hair darkens due to increased melanin, with males generally having darker hair than females.
15 citations
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December 2016 in “Obstetrics & Gynecology” Most skin changes during pregnancy are harmless and moles don't significantly change, but many women experience pigmentation changes due to hormones and sun exposure.
14 citations
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April 2019 in “Genes” Researchers found a genetic region that influences the number of coat layers in dogs.
MITF and WNT3A are key in Dun Mongolian horse pigmentation.
10 citations
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August 2012 in “Current Problems in Pediatric and Adolescent Health Care” Hair changes can indicate systemic diseases or medication effects.
7 citations
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September 2024 in “BMC Genomics” Two genes, ERBB4 and ROR1, may cause the unique pigmentation in Lanping black-boned sheep.
January 1996 in “대한피부과학회지” Wait at least 8 weeks between hair dyeing for cuticle recovery.
June 2025 in “Animal Bioscience” miRNA-24 affects goat coat color by controlling proteins involved in pigment production.
February 2024 in “BMC genomics” The TRPV3 gene variant may cause the long-haired suri alpaca coat.
2 citations
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December 2024 in “BMC Genomics” Key genes and pathways control sheep hair growth phases.
11 citations
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February 1989 in “Journal of veterinary medicine. Series A” Crossbreeding certain European cattle breeds may cause hair and physical issues in cattle.
January 2025 in “Figshare” Stress can cause sudden hair whitening in children, but it may reverse on its own.
7 citations
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June 2015 in “The anatomical record” Hexi cashmere goats' hair growth varies by stage, with Hoxc13 linked to hair activity.
September 2023 in “Jurnal Ilmu Kesehatan Hewan” The dog improved significantly after treatment for skin mites and fungi.