37 citations
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March 2006 in “Regulatory Peptides” This study reports that GLP-1 receptors and proglucagon are expressed in the skin of newborn mice, with GLP-1 potentially playing a role in skin development and hair follicle formation.
31 citations
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January 2025 in “Journal of the American Academy of Dermatology” GLP-1 RA medications may be linked to hair loss.
24 citations
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February 1986 in “Cancer” In this case study, a man with necrolytic migratory erythema and a glucagonoma experienced decreased plasma glucagon levels and reduced metastases after treatment with dimethyltriazenoimidazole carboxamide.
July 2026 in “JAAD reviews.” This literature review highlights a potential but uncertain link between GLP-1 receptor agonist therapy for type 2 diabetes and obesity and hair loss, with variations among different medications.
June 2026 in “Dermatology and Therapy” In this commentary, the authors discuss emerging evidence primarily from pharmacovigilance data and retrospective studies indicating a potential association between GLP-1 receptor agonists, like semaglutide and tirzepatide, and hair loss, although causality remains unproven, prompting recommendations for patient monitoring and further research.