ghk-cu skin Peptide Serum for Face, Copper Peptides Anti-Aging Serum - Firming, Wrink Aids in the healing process after mild esthetic treatments Skin Perfection 1% GHK-Cu Copper

AHK-Cu (alanyl-histidyl-lysine-copper) has a slightly different amino acid chain but similar biological activity

Not for human consumption, medical use, diagnostic applications, veterinary use, or any other in-vivo application

Eisenberg T, Knauer H, Schauer A, Bttner S, Ruckenstuhl C, Carmona-Gutierrez D, Ring J, Schroeder S, Magnes C, Antonacci L, Fussi H, Deszcz L, Hartl R, Schraml E, Criollo A, Megalou E, Weiskopf D, Laun P, Heeren G, Breitenbach M, Grubeck-Loebenstein B, Herker E, Fahrenkrog B, Frhlich KU, Sinner F, Tavernarakis N, Minois N, Kroemer G, Madeo F (2009) Induction of autophagy by spermidine promotes longevity

She reported no drop in energy over several months

In the context of longevity medicine, it is used as a periodic cellular reset rather than as a continuous therapy