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January 2021 in “Processes” Researchers successfully grew horse skin cells that produce pigment from hair follicle samples.
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July 2013 in “Acta Biochimica Polonica” Chemotherapy reduces splenic melanin in mice.
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November 1995 in “American Journal of Obstetrics and Gynecology” Taking vitamin B6 corrected a pregnant woman's metabolic disorder, which changed her hair color.
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January 1973 in “ACTA HISTOCHEMICA ET CYTOCHEMICA” Brown skin in guinea pigs has more ascorbic acid and related enzymes, black skin uses ascorbic acid well, and white skin has the most protein.
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April 2014 in “PubMed” A man got brown patches on his skin (melasma) after taking finasteride, a hair loss treatment.
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November 2011 in “Skin Research and Technology” The study found a specific pattern of uneven melanin distribution on balding scalps that could help understand skin diseases caused by light exposure.
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December 1981 in “International Journal of Dermatology” Understanding genes can help diagnose and treat skin color disorders.
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September 2025 in “International Journal of Cosmetic Science” Heat and UV exposure damage hair structure by altering keratins.
January 2026 in “Figshare” Finasteride can cause melasma, especially in people with darker skin.
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December 2004 in “Proceedings of the National Academy of Sciences” BMP signaling affects hair color by interacting with the MC-1R pathway.
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August 2023 in “Animals” SLC45A2 and GPNMB genes help control chicken feather color by promoting melanin.
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July 2007 in “Biochemical Pharmacology” ISCK03 stops melanin production in human melanoma cells and lightens skin color in mice and guinea pigs.
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August 2025 in “Annals of Medicine” Mycophenolate mofetil may safely help restore skin color in depigmentation conditions.
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January 2015 in “Journal of Pigmentary Disorders” Treating melasma in men is difficult, especially for the deeper skin layers, and may need more than just topical treatments.
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July 2012 in “Dermatitis” Hair dye with para-phenylenediamine can cause skin depigmentation.
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October 2018 in “American Journal of Clinical Dermatology” Some drugs can cause skin and hair color changes, often reversible when the drug is stopped.
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March 2021 in “Cureus” A rare combination of halo nevi, nonsegmental vitiligo, and early gray hair can occur together.