Does Ghk Cu Actually Work Benefit TikTok Say Goodbye to Stretch Marks with GHK Cu Entera Skincare Figure 3 from GHK Copper Peptide in Skin Remodeling and Anti Aging ! GHK Cu in Skin Remodeling Semantic Scholar 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