Description
GHK‑Cu is a naturally occurring complex of the tripeptide GHK (glycyl‑L‑histidyl‑L‑lysine) bound to copper(II). It’s present in human plasma, saliva, and urine and tends to decline with age. In lab and animal studies, GHK‑Cu shows pro‑healing and skin‑supportive actions and is widely used in topical cosmetics. It is not FDA‑approved as a drug for systemic therapy.






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