222 citations
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January 2005 in “Endocrine journal” Melatonin is important for skin health and protection, and can be made by the skin or applied to it.
October 2021 in “Nepal journal of dermatology, venereology & leprology” Melatonin is good for skin health and may help treat skin conditions.
18 citations
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March 2003 in “PubMed” Hair loss in women can be due to abnormal hair growth cycles or damaged hair follicles, with the most common type being androgenetic alopecia; treatment varies by cause, and the psychological impact is significant.
55 citations
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March 2010 in “Aging” Circadian clock genes are important for hair growth and may affect aging-related hair loss and graying.
115 citations
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August 2008 in “The Journal of Clinical Endocrinology & Metabolism” Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.