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A clinical study of 21 women using a topical GHK-Cu gel for 3 months showed an average 28% increase in collagen and elastin density , with the top quartile achieving a 51% improvement, as reported by EurekAlert

Wolk R, Somers VK

A significant risk of cardiovascular disease, cardiovascular death, and cardiometabolic risk factors is also associated with obesity

When applied topically, they can improve the skin's capacity to heal itself

But they work through fundamentally different mechanisms, carry different costs, and have different evidence profiles

The procognitive and synaptogenic effects of angiotensin IV-derived peptides are dependent on activation of the hepatocyte growth factor/c-met system