Microneedling with GHK Cu is one of the most effective ways to stimulate collagen where your skin needs it most. The reason is simple: it's targeted. Microneedling creates micro injuries on the skin, and GHK Cu Peptides: Unlocking the Copper Peptide Revolution in Skin Care Microneedling Serum with GHK Cu Copper Peptide Ireland Ubuy Dimeric copper peptide incorporated hydrogel for promoting diabetic wound healing Nature Communications