GHK Cu Copper Peptide Collagen, Skin Rejuvenation & Hair Restoration GHK Cu Peptide: What It Does for Body Composition and Metabolic Health Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule Starting GHK Cu peptide that will support collagen production, hair growth , and overall skin rejuvenation. #peptide #ghk cu #wellness #epcw #suhesthetics