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Williams A, Babu JR, Wadsworth DD, Burnett D, Geetha T

Allergic reactions to GHK-Cu are exceptionally rare, though as with any cosmetic ingredient, individual sensitivities can theoretically occur

& Coskuner, E

The nanomolar reality Research from the University of California demonstrated that GHK-Cu at concentrations of 0.01, 1, and 100 nanomolar all increased collagen and elastin production in human dermal fibroblasts

GHK is a tripeptide naturally formed from three amino acids glycine, histidine, and lysine

Furthermore, the combination of CoQ10 and melatonin has been shown to increase the number of oocytes collected (Shang et al., 2024)