Uses and Benefits #ghk GHK Cu is a naturally occurring peptide in human plasma that declines with age. When used in injections (usually subcutaneous), it can offer various benefits: Skin Rejuvenation and Anti Aging: A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend GHK Cu Peptide for Skin Rejuvenation in Ponte Vedra FL BlueWater Wellness BlueWater Wellness & MedSpa 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 Copper Peptide Face Serum with Hyaluronic Acid Anti Aging Face Serum for Wrinkles, Firming and Moisturizing For Elastic and Smooth Skin : Amazon.ie: Beauty