2 citations
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January 2012 in “Zhongguo nongye Kexue” EGF helps secondary hair follicles grow in young gray goats.
56 citations
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December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle cells age faster and lose pigment due to less catalase, causing hair to turn gray.
2 citations
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November 2022 in “Journal of Biochemistry and Molecular Biology” Aging changes hair stem cells and their environment, leading to gray hair and hair thinning, but understanding these changes could help develop treatments for hair regeneration.
75 citations
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January 2009 in “International journal of trichology” Hair grays due to oxidative stress and fewer functioning melanocytes.
31 citations
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April 2019 in “Journal of Cutaneous Pathology” Hair becomes gray and thin as we age, and while most hair loss in older people is due to genetics, there's a chance for gray hair to regain color under certain conditions.