Recent research, particularly in 2026, indicates that GHK-Cu doesn't just act on existing cellular processes
It achieves this by enhancing blood flow through angiogenesis, the formation of new blood vessels, which is essential for supplying nutrients and oxygen to injured areas and removing waste and inflammatory byproducts[2][5]
It looks at your red blood cells (RBCs), white blood cells (WBCs), platelets (PLTs), and other factors
Clin Lung Cancer 5 Suppl
But it is important to remember that excessive sun exposure can trigger new pigmentation
Signs of degradation include cloudiness in previously clear solution, visible particles or precipitate, unusual odor, or discoloration