Copper Peptide (GHK Cu) Serum Amazon.com: Skin Perfection GHK Cu Copper Peptide Powder 99.7% Pure DIY Copper Peptides Serum for Face and Scalp Cosmetic Grade GHK Cu 1 Gram Creates Up to 100ml for Fuller Hair and We use the BPC 157 capsules from InfiniWell as they use the arginate salt which is the better form of BPC. To help out, we have a 20% patient discount code on our website Transcend offers injectable administration forms for many of its medications, but did you know that there are different methods of injection administration? Intramuscular (injection into the muscle) vs Subcutaneous ( injection into subcutaneous