23 citations
,
November 2007 in “Actas Dermo-Sifiliográficas” This study suggests that topical T3 can induce hair follicles to enter the growth phase and may reverse graying in mice, with in vitro results supporting enhanced hair shaft growth.
1 citations
,
December 2015 in “The Egyptian Journal of Histology” This study found that experimentally induced hypothyroidism in rats is associated with impaired skin structure, but topical application of triiodothyronine (T3) improved these changes to resemble normal skin.
28 citations
,
January 2013 in “Journal of Thyroid Research” This review discusses the potential therapeutic use of thyroid hormones on skin conditions, highlighting the need for further research but reporting no new experimental results.
115 citations
,
August 2008 in “The Journal of Clinical Endocrinology & Metabolism” In this study, T3 and T4 were found to directly influence human hair follicles in vitro, enhancing keratinocyte proliferation, prolonging the hair growth phase, and affecting pigmentation.
30 citations
,
October 2012 in “Current Opinion in Endocrinology, Diabetes and Obesity” This review discusses the effects of thyroid hormone on the skin and explores the potential for using it to treat skin diseases, but reports no new clinical results.