Benzyl alcohol is the preservative
The practical focus is glucose, kidney function, lipids, GI tolerance, gallbladder/pancreas symptoms, and thyroid-history cautions
GHK-Cu brings unique value through copper delivery and collagen synthesis support, but its short half-life limits practical application through injection alone
Apply one patch daily to an area with little or no hair, i.e., shoulder, back or hip
The legal landscape is complex
9711, otherwise known as the Food and Drug Administration Act of 2009, the manufacture, importation, exportation, sale, offering for sale, distribution, transfer, non-consumer use, promotion, advertising, or sponsorship of any health product without the proper authorization from the FDA is hereby prohibited