It is one of the classic neuropeptides that has appeared in the literature for decades
If a vial is multi-dose, follow the label or pharmacist instructions for how long it can be used after opening
Two structural features are worth noting
The mechanism action of Copper Peptide GHK-Cu 1) Promote the degradation of a large number of collagen aggregates outside the scar, and promote the mass production of normal skin collagen, elastin, proteoglycan and glucosaminoglycan (GAGa)
MOTS-c is a mitochondrial-derived peptide (MDP) with broad intracellular signaling effects
Plus, regenerating collagen substantially diminishes the effects of photoaging, expression lines, and wrinkles on the face, neck, and chest