If your GHK injection site gets irritated try this , 1. Dilute it by adding more water to the syringe , 2. Let it sit until it reaches room temperature , Also, make sure youre rotating injection 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 peptides from Transcend, and PSA] Albeit rare Copper peptide "uglies" are real and scary. Case report and looking for advices : r SkincareAddiction GHK Cu Copper Peptide: The Ultimate Peptide For Longevity