Peptide Therapy for Anti Aging Feel Younger, Look Better InCare GHK CU Beverly Hills Rejuvenation Center GHK Cu Focal Point Vitality Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy 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