GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B All About GHK Cu Peptide More Than Just Cosmetic YouTube Before vs. after 3 months of GHK Cu peptide therapy smoother texture, more even tone, and skin that looks healthier overall. Small peptide, big difference GHK Cu, the copper peptide, is a game changing injectable for radiant skin and so much more Here's what it can do: Boost collagen for smoother, firmer skin Anti aging Before and after begins with consistency. Our 10% GHK Cu formula is engineered for deep absorption to support scalp health and visible density.