The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Theoretical study of copper binding to GHK peptide ScienceDirect Copper uglies = temporary., When you start GHK Cu, you can get a spike in free copper breakouts, texture, irritation., Its not the peptide failing. Its your body adjusting., Happens fast GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy Copper Uglies lets talk about it , If youve started GHK Cu injectable peptide and noticed a temporary worsening in your skin (dullness, breakouts, or uneven texture), youre not alone. This