This story was originally published by Men's Fitness on Jun 27, 2026, where it first appeared in the News section
Topical products with GHK-Cu may appeal to: Women in their 30s to 50s who are noticing visible hair changes due to aging, stress, or post-pregnancy hormone shifts Individuals with areas of visibly thinning hair who are not yet pursuing prescription therapies Users of hair care tools like scalp massagers or low-level light devices who want a supportive topical regimen GHK-Cu may also be combined with cosmetic ingredients such as niacinamide, caffeine, and hyaluronic acid for enhanced scalp support
Molecular Aspects of Medicine 28, 507-537
GLP-1 injectable solutions should be administered subcutaneously into the abdomen, thigh, or upper arm
The study was conducted and reported in line with ACcurate COnsensus Reporting Document (ACCORD) and Conducting and REporting DElphi Studies (CREDES) guidance [18, 19]
Future clinical trials are still needed to determine the appropriate serum ferritin concentration thresholds