GHK Cu (copper peptide) is a science backed anti aging compound that supports collagen production, skin regeneration, and overall skin health. Used in both topical serums and subcutaneous 2% GHK CU Copper Peptide Serum for Hair Growth and Scalp Care Seraphime What Do Peptides Do for Skincare: The Ultimate Guide Biossance Most people think skincare works at the surface level. But healthy skin function starts much deeper than a temporary glow. GHK Cu is a naturally occurring copper binding tripeptide that is already found