Selected Biomarkers Revealed Potential Skin Toxicity Caused by Certain Copper Compounds Scientific Reports 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 GHK Cu Topical vs Injection Which is the Better Copper Peptide Form? Copper Peptides Ruined My Skin" What's Actually Happening Nubeean Noosa Wholesale AHK CU + GHK CU Hair Serum Pro for your store Faire Copper uglies = temporary. When you start GHK Cu, you can get a spike in free copper breakouts, texture, irritation. It's not the peptide failing. It's your body adjusting. Happens fast