Copper Peptides vs Retinol: Do You Need Both? Nubeean Noosa Week 3 of GHK Cu and the copper uglies are definitely doing their thing Trusting the process, staying patient, and letting it work its magic If you know, you know it gets worse before it gets The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Replying to @Christy Greenham Avoiding Copper Uglies ON GHK Cu! I go copper uglies TikTok