copper peptide ghk cu clinical study skin Prime Journal March/April 2026 Feature Skin Perfection GHK-Cu Copper Peptides
Description
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Topical preparations may use higher dilutions since they don't require injection-compatible volumes
GHKCu acetate
PMCID: PMC4963295
The copper ion itself serves as a cofactor for lysyl oxidase, the enzyme responsible for collagen and elastin cross-linking, meaning GHK-Cu both stimulates production of new structural proteins and ensures they are properly stabilized
