April 2025 in “Dermatology Practical & Conceptual” Increased LC3 gene expression may be linked to premature graying of hair.
10 citations
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August 2023 in “Animals” SLC45A2 and GPNMB genes help control chicken feather color by promoting melanin.
Hulunbuir lambs adapt better to cold than Hu lambs, showing more wool growth and thicker skin.
31 citations
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November 2015 in “PloS one” Reducing Tyrosinase prevents mature color pigment cells from forming in mouse hair.
June 2020 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Stress causes hair graying by overactivating nerves that deplete color-giving stem cells.
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.
161 citations
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June 1994 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair stops producing melanin as it transitions from the growth phase to the resting phase.
14 citations
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September 2017 in “Hereditas” Genes influence horse coat color and may help understand human skin conditions.
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.
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November 1983 in “BMJ” 2 citations
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June 2024 in “BMJ Paediatrics Open” Skin changes were less common, and photo assessments were unreliable.
1 citations
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December 2011 in “EFSA Journal” Spermidine may help extend the growth phase of hair.
March 2026 in “Oral Presentations” Sodium valproate improved epilepsy control in most children but often caused weight gain and other mild side effects.
4 citations
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December 2024 in “International Journal of Molecular Sciences” Hom Thong banana peels can help reduce skin pigmentation by inhibiting melanin production.
450 citations
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January 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color is determined by melanin produced and transferred in hair follicles.
2 citations
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April 2025 in “Frontiers in Genetics” The ASIP gene is crucial for determining cattle coat color.
130 citations
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December 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle melanocytes die during hair regression.
109 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color production is closely linked to the active growth phase of hair in mice and may also influence hair growth itself.
93 citations
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October 2006 in “The International Journal of Biochemistry & Cell Biology” Melanocytes are crucial for skin pigmentation and can affect conditions like melanoma, vitiligo, and albinism, as well as hair color and hearing.
January 2008 in “Catalunya música: Revista musical catalana” Tooth loss can cause premature gray hair due to less chewing.
January 2004 in “Linchuang pifuke zazhi” Black hairs have more pigment-related genes, while gray hairs have more keratin-related genes.
4 citations
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April 1955 in “Archives of Dermatology” Hydrocortisone ointment effectively improved eyebrow skin and hair in a 10-year-old.
148 citations
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October 1997 in “Journal of Investigative Dermatology” January 1996 in “TURKISH JOURNAL OF VETERINARY AND ANIMAL SCIENCES” Brown bear skin has two main layers, with the thickest skin on the back and thinnest on the belly.
54 citations
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December 1999 in “Journal of Investigative Dermatology Symposium Proceedings”
December 2024 in “Antioxidants” Luteolin can reduce hair graying in mice, with external treatment being more effective.
November 2023 in “Journal of the American Academy of Dermatology” Skin of color can spontaneously repigment after a phenol-croton oil chemical peel.
1 citations
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December 2023 in “Frontiers in Behavioral Neuroscience” UVB exposure increases appetite by activating p53 in skin cells.