GHK Cu Peptide: What It Does for Body Composition and Metabolic Health GHK Cu is a naturally occurring copper binding peptide that plays a major role in tissue repair and remodeling, with a strong focus in research on skin and hair biology. It works by signaling GHK Cu Copper Peptide Therapy for Hair & Skin in Mumbai 7% GHK CU ACCELERANT Platinum Skin Care Copper Peptides True Hair Growth Serum Based on the Anela Protocol Ghk cu Ahk cu 30ml (1 Fl.oz) Etsy