Amazon.com: The Ordinary Multi Peptide + Copper Peptides 1%, GHK Cu Anti Aging Serum for Fine Lines and Skin Elasticity, 1 Fl Oz : Beauty & Personal Care Rigid flexible nanocarriers loaded with active peptides for antioxidant and anti inflammatory applications in skin ScienceDirect Peptide Therapy & GHK Cu Regenerative Cream Calibrate IV Calibrate Hydration 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 Can You Mix Retatrutide With GHK Cu? Risks and UK Guidance Bolt Pharmacy