February 2025 in “medRxiv (Cold Spring Harbor Laboratory)” GLP-1 agonists may increase the risk of hair loss.
February 2025 in “Skin Appendage Disorders” GLP-1 receptor agonists can cause skin reactions, facial fat loss, and hair loss, but may help with wound healing and skin conditions.
January 2025 in “Journal of the European Academy of Dermatology and Venereology” Newer GLP-1 drugs like semaglutide may cause hair loss.
July 2024 in “Brazilian Journal of Clinical Medicine and Review” Hair loss after bariatric surgery is common due to nutrient deficiencies and rapid weight loss.
May 2024 in “International Journal of Dermatology” More research is needed to understand if GLP-1 agonists affect hair health.
February 2024 in “Medicina-lithuania” Obesity and bariatric surgery can cause hair thinning and temporary hair loss due to nutritional deficiencies and stress.
Hair loss after weight loss surgery can improve over time.
19 citations
,
March 2021 in “Obesity surgery” Many people experience hair loss after weight loss surgery, especially younger women, and it's linked to lower levels of zinc, folic acid, and ferritin.
134 citations
,
December 2018 in “Dermatology and Therapy” Some vitamins and minerals like vitamin D and iron can help with certain types of hair loss, but more research is needed for others.
79 citations
,
January 2017 in “Dermatology practical & conceptual” Correcting nutrient deficiencies may help with hair loss, but the benefits of supplements without a deficiency are uncertain and could be harmful.
194 citations
,
March 2003 in “American Journal of Pathology” Stress stops hair growth in mice by causing early hair growth phase end and harmful inflammation through a specific nerve-related pathway.