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.
111 citations
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April 2000 in “British journal of dermatology/British journal of dermatology, Supplement” Thyroid hormone receptor β1 is found in human hair follicles and helps them survive.
105 citations
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February 2010 in “Endocrinology” The skin produces and responds to thyroid-stimulating hormone, which is controlled by other thyroid-related hormones.
99 citations
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June 2005 in “Endocrinology” Applying thyroid hormone T3 speeds up wound healing in mice.
95 citations
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August 2013 in “Journal of Investigative Dermatology” HPT axis hormones boost mitochondrial function and growth in hair follicles, potentially aiding hair health.