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 GHK Cu is a small copper bound peptide (glycyl histidyl lysine with a copper ion) found naturally in human tissues and fluids. Its levels decline with age, and it plays a role in tissue repair, regeneration, GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B What are the guidelines for using GHK Cu (Glycyl Histidyl Lysine Copper) peptide in patients with underlying health conditions for wound healing and cosmetic applications?