GHK Cu (100mg) BioSynth Peptides GHK Cu 10 g (10% Concentrate, 100,000 ppm) Lrak Technologies GHK Cu (100mg), A naturally occurring copper binding peptide found in the human body., It is widely studied for its role in skin repair processes, collagen production, and tissue regeneration 2 x GHK 100MG Bundle Research use only (For Laboratory Use Only) Dr Peptides GHK Cu is a naturally occurring copper binding peptide that plays a major role in tissue repair and remodeling, with a strong focus in research on skin and hair biology. It works by signaling Shop 99% Pure GHK Cu Copper Peptides AminoVault