GHK Cu is a naturally occurring copper peptide found in the body that plays a key role in skin regeneration, healing, and overall skin health. As we age, levels declinewhich is where topical The biological signal for full body skin tightening. If you want to visibly improve skin density, elasticity, and firmness, you need the right biological messenger. Enter GHK Cu (Copper Peptide). This powerful molecule The biological signal for full body skin tightening. If you want to visibly improve skin density, elasticity, and firmness, you need the right biological messenger. Enter GHK Cu (Copper Peptide). This powerful molecule GHK CU Cosmetic for Healthy Skin Aging and Wrinkle Support Pure Prescriptions GHK Cu Peptide for Skin Rejuvenation in Ponte Vedra FL BlueWater Wellness BlueWater Wellness & MedSpa A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend