The human body is a machine with many welcoming targets for GLP-1
Beyond week 6, results plateau unless caloric deficit is maintained or injection frequency increases (some protocols move to twice-weekly dosing after week 8)
It interacts with multiple systems in the body including the nitric oxide (NO) pathway, growth hormone receptors, and angiogenic regulators like VEGF (vascular endothelial growth factor) to promote tissue repair, reduce oxidative stress, and modulate the immune response
Understanding each one is critical because the right prevention strategy depends entirely on which mechanism is driving your specific hair loss
For skin and hair goals, topical application is the safer and more appropriate route to discuss with a provider
As long as you maintain a minimum 48-hour gap for semaglutide or a 72-hour gap for tirzepatide, you can adjust your day with confidence