The potential of GHK as an anti aging peptide Dou Aging Pathobiology and Therapeutics Copper, Collagen, and Controversy: Inside the GHK Cu Buzz GHK Cu Copper Peptide Face Tonic (30 mL) Reduces Appearance of Fine Lines Supports Skin Firmness Some people notice their skin looks worse before it improves with GHK Cu. This temporary phase is often called the copper uglies., #skincare, #ghkcu, #skinhealth, #longevity, #peptides A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend GHK Cu Peptide Before and After Results