20 citations
,
December 1995 in “Veterinary Dermatology” Yorkshire Terriers with Colour Dilution Alopecia have reduced melanin and hair structure issues.
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.
27 citations
,
August 2006 in “Laboratory Investigation” SCF and ET-1 together significantly increase skin pigmentation and melanin production.
26 citations
,
January 2018 in “Annals of dermatology/Annals of Dermatology” Hair graying may be caused by stem cell depletion from stress or melanocyte damage.
February 2025 in “Biomolecules” Melatonin can help or hinder hair growth depending on the dose.
September 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” 7DHC and BM15766 damage hair follicle structure and reduce key gene expression.
17 citations
,
December 2013 in “Dermatologic Surgery” The treatment improved hair color in most vitiligo patients without major side effects.
June 2025 in “British Journal of Dermatology” Segmented hair color changes can indicate active alopecia areata.
1 citations
,
December 2023 in “Journal of Clinical Medicine” Scalp melanomas are more dangerous and likely to recur or cause death than other head and neck melanomas.
2 citations
,
March 2025 in “PNAS Nexus” Raman spectroscopy can detect radiation exposure in mouse hair with high accuracy for up to 7 days.
26 citations
,
July 2007 in “Biochemical Pharmacology” ISCK03 stops melanin production in human melanoma cells and lightens skin color in mice and guinea pigs.
September 2025 in “Digital Commons - RU (Rockefeller University)” Nfib in hair follicle stem cells boosts melanocyte stem cell growth and differentiation.
23 citations
,
September 1992 in “Archives of Dermatological Research” Cepharanthine and minoxidil promote cell growth and delay hair cell maturation.
217 citations
,
February 2009 in “The FASEB Journal” Gray hair is caused by hydrogen peroxide buildup, which damages hair color repair.
112 citations
,
July 1998 in “Journal of Investigative Dermatology” Ruby laser pulses best destroy hair follicles during the growth phase and effectiveness varies with laser intensity; melanin is key for targeting, and timing treatments can improve results.
1 citations
,
April 2025 in “Frontiers in Medicine” New insights into skin damage from UV exposure suggest potential treatments, including targeting specific RNAs and combining therapies for better outcomes.
29 citations
,
June 2016 in “Experimental Dermatology” MCHR2 gene duplications may be linked to alopecia areata.
June 2024 in “Georgetown Scientific Research Journal” Bleomycin injections in mice cause skin thickening and hair loss.
April 2018 in “Journal of Investigative Dermatology” BMP signaling is important for skin color, affecting melanin production, pigment spread, and cell movement.
July 2024 in “JAAD Case Reports” Corticosteroid injections for hair loss may cause eye problems, so caution is needed.
64 citations
,
June 2014 in “Journal of The American Academy of Dermatology” Researchers found a white halo around hair in most patients with a specific type of hair loss, which helps in early diagnosis and treatment.
November 2025 in “Journal of Investigative Dermatology” TEC kinases may help cause inflammation in vitiligo and could be targeted for treatment.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Researchers found three types of melanocytes in developing mouse skin, each with different genes and locations.
4 citations
,
July 2021 in “Skin Appendage Disorders” Sudden hair whitening may be linked to immune system activity.
January 2025 in “Cellular and Molecular Life Sciences” BMP4 helps stem cells turn into pigment-producing cells, affecting hair color and growth.
4 citations
,
October 2019 in “Skin Appendage Disorders” Gefitinib can cause hair and eyebrow darkening.
19 citations
,
January 2007 in “Biological & pharmaceutical bulletin” Glycine reduces skin pigmentation by lowering melanin production.
April 2026 in “Skin Appendage Disorders” Microneedling for hair loss may cause skin cancer.
33 citations
,
September 1961 in “Archives of Dermatology” Colchicine causes rapid hair loss by damaging hair follicles.
152 citations
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December 2003 in “Micron” As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.