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That alone makes it biologically interesting, but its signaling effects are what make it valuable

While one pilot study showed two people tolerating 20mg intravenously, that does not guarantee that long-term daily injections are safe

In the same research, GHK-Cu improved collagen production in 70% of treated women, outperforming vitamin C cream (50%) and retinoic acid (40%)

Unlike fleeting beauty trends, the GHK-Cu peptide has decades of robust clinical research backing its ability to rejuvenate skin at a cellular level

Antioxidant Defense: Elevates superoxide dismutase (SOD) and other antioxidant enzyme expression in dermal tissue models

Restoracell with Copper Peptides, a Great Partner for Microneedling GHK-Cu, the primary ingredient in Restoracell's trio of copper peptide products, was first studied for wound healing in 1983