GHK Cu Peptide: What It Does for Body Composition and Metabolic Health GHK Cu The Doctors Protocol in current Clinical Use , DISCLAIMER, The information shared in this video is for educational and informational purposes only and is based on research, and general GHK Cu is a copper peptide used in regenerative medicine to support collagen production, tissue repair, and cellular renewal throughout the body. It's for individuals looking to improve skin firmness, brightness, and visible Time for a little GHK CU update for the people who are interested. Its day 9. I took a little break on day 5 just so my body didnt get too used to the peptides and Ill just keep going in this 5 Advanced GHK Cu Face Cream 2400mg 4% Firmer Skin Neurogan Neurogan Health