It is a clean, low-excipient formula - delivering only what's needed
It is a vasodilator, probably related to histamine release in the cells and to prostaglandin inhibition
Journal of the American Geriatrics Society 1992;40:1197204
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However, GHK-Cu is not a substitute for clinically approved medications and should be used only as a cosmetic support tool
Panda S, Provencio I, Tu DC, Pires SS, Rollag MD, Castrucci AM, Pletcher MT, Sato TK, Wiltshire T, Andahazy M, Kay SA, Van Gelder RN, Hogenesch JB (2003) Melanopsin is required for non-image-forming photic responses in blind mice