GLOW Peptide: BPC 157 + TB 500 + GHK Cu for Injury & Tissue Recovery Revolution Health & Wellness GHK Cu Peptide Regenerative & Cosmetic Research Two Weeks on GHK CU by Rory Uphold The Ladies Room The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline 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