GHK Cu has gained major attention in the cosmetic world for its role in supporting scalp and skin appearance. This lightweight foam formulation makes it easy to incorporate into routines focused on GHK Cu vs NAD+: Which Longevity Peptide Should You Take or Stack? Amazon.com: Skin Perfection Copper Peptide Serum GHK CU 1% for Face & Hair Copper Peptides for Skin, Hair, & Scalp 1% Blue Liquid for Face, Neck, Body, Scalp Multi Use Serum Booster with What is the proper use of peptide GHK Cu (Glycyl Histidyl Lysine Copper) for wound healing or skin regeneration? A year ago I started working with a copper peptide called GHK Cu. Topically every night. And under my doctor's care, I went deeper than topicals with a low dose. The difference in