Uses and Benefits #ghk GHK Cu is a naturally occurring peptide in human plasma that declines with age. When used in injections (usually subcutaneous), it can offer various benefits: Skin Rejuvenation and Anti Aging: GHK cu Shampoo to Use After Hair Transplant STEMBOTANY Glow Peptide Injection: Revolutionizing Skin Rejuvenation Hubmed Peptides and Wellness Medications GHK Cu Copper Peptide Benefits, Uses & Safety Intra V 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