Peptides Solutions at Olympia GHK Copper Peptide GHK Cu Tripeptide 1 12 weeks in, and my skin has NEVER looked better! GHK peptides are doing their thing. Alright, I need to give you an updateit's been 12 weeks since I started using GHK 1% Pure GHK Cu Copper Peptide Serum , Formulated with 300mg of active copper peptide per 30ml a potent, silky blue serum designed to support smoother, firmer, more radiant looking skin over