1 citations
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October 2022 in “Dermatology practical & conceptual” Isolated patchy heterochromia with pili annulati can occur without other health issues.
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.
1 citations
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January 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” Increased PHGDH expression causes early melanin buildup in hair follicles.
June 2023 in “International Journal of Dermatology” Lichen planus pigmentosus mainly affects middle-aged women with darker skin, is underreported, and is hard to treat.
2 citations
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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.
24 citations
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March 2018 in “Pigment Cell & Melanoma Research” The environment around melanocyte stem cells is key for hair regeneration and color, with certain injuries affecting hair color and potential treatments for pigmentation disorders.
April 2024 in “International journal of molecular sciences” Dermal factors are crucial in regulating melanin production in skin.
31 citations
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November 2015 in “PloS one” Reducing Tyrosinase prevents mature color pigment cells from forming in mouse hair.
40 citations
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May 2014 in “PLoS ONE” Chronic stress can reduce skin pigmentation.
5 citations
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September 2015 in “Nepalese journal of ophthalmology” An 11-year-old girl with a rare skin disorder also had cornea issues and dry eye, needing careful management.
32 citations
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May 2023 in “Preprints.org” Skin pigmentation varies due to genetics, UV exposure, and medications, with treatments available but requiring medical advice.
2 citations
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November 2024 in “JAAD reviews.” Certain drugs can change hair color, either lightening or darkening it.
June 2025 in “Albus Scientia” MC1R gene variations affect skin, hair color, UV sensitivity, and melanoma risk.
Melanocytes can regenerate around hair follicles in bullous pemphigoid, especially in patients with darker skin.
4 citations
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July 2019 in “Clinics in Dermatology” The document concludes that while white skin, nail, and mucosa diseases increase skin cancer risk, they are generally harmless, especially compared to darker pigmentation conditions.
November 2022 in “Journal of Investigative Dermatology” Dynlt3 is important for melanosome transport and skin coloration.
6 citations
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November 2011 in “Journal of Dermatological Science” A new gene mutation may allow some piebaldism patients to regain skin color in white patches.
18 citations
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April 1989 in “Archives of Dermatology” Iron deficiency can cause hair color changes, which can be reversed with iron supplements.
4 citations
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April 2019 in “JAAD Case Reports” DPR can cause skin, hair, and nail issues, sometimes appearing later in life.
April 2026 in “The FASEB Journal” Exosomal miR-199a-3p from dermal papilla cells helps control hair color by affecting melanocytes.
Melanin-rich skin has unique challenges in diagnosing and treating skin diseases.
6 citations
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September 2010 in “Pigment Cell & Melanoma Research” We know less about human hair pigmentation than mouse coat color, but pH and cysteine levels are key factors.
74 citations
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July 1995 in “PubMed” Lowering homocyst(e)ine levels can reverse skin and hair lightening by restoring enzyme activity needed for pigmentation.
April 2015 in “Dentistry 3000” Premature hair graying in the face may be influenced by genetics and environment.
Skin diseases look different on pigmented and nonpigmented skin.
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.
39 citations
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March 2017 in “Dermatologic clinics” UV light can help stimulate the growth of new pigment cells from hair follicles in people with vitiligo.
September 2018 in “CRC Press eBooks” Hair and nail disorders can cause changes in scalp pigmentation, especially with sun exposure and alopecia.
1 citations
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January 2013 in “International Journal of Trichology” A girl with red hair developed hair-pulling and body image disorders after being bullied for her hair color.
60 citations
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October 2010 in “Molecular Imaging and Biology” Increased skin pigmentation in mice reduces bioluminescent signal accuracy.