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A 2009 paper in Archives of Dermatological Research observed that copper-bound GHK increased integrin expression and p63-positive keratinocyte counts in cell-culture experiments, framing one route by which the compound engages the dermal stem-cell compartment (PMID 19319546)

GHK-CU 100MG $79.00 Buy GHK-Cu (copper peptide) in Canada a naturally occurring tripeptide-copper complex studied for collagen synthesis, wound healing, and skin regeneration

Potential Interactions and Combined Use Considerations No interaction data or clinical guidance exists for combining AOD 9604 and retatrutide

GHK-Cu collagen levels decline as we age

Investigators value this compound due to its specificity, stability, and consistent behavior in experimental models