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Research Citations & Literature Skin Regeneration (GHK-Cu) : GHK Peptide as a Natural Modulator of Multiple Cellular Pathways in Skin Regeneration (PMC/NIH) Tissue Recovery : Regenerative and Protective Actions of the GHK-Cu Peptide in the Light of the New Gene Data Cellular Pathways : The Human Tri-peptide GHK and Tissue Remodeling Shop other peptides that contain GHK-cu here!

Perform a patch test first and discontinue if persistent irritation develops

16 One study compared GHK-Cu dosed at 15mg/kg nasally daily for 8 weeks in mice to placebo (saline)

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Topical application is effective for surface skin remodeling but does not replicate the systemic signaling that injectable protocols produce