GHK Cu Copper Peptide Regeneration, Skin Renewal & Anti Age Copper Peptides for Skin: What GHK Cu Does and How It Compares to Retinol As the colder months roll in, stress goes up, sunlight drops, and heavier meals become the norm. It is also a time when natural glutathione levels can dip., , @drbeckycampbell includes Rhos Unlock Your Beauty : Introducing GHK Cu Are you ready to optimize your body from the core? Explore the incredible benefits of GHK Cu, the pure copper peptide that's changing the game GHK Cu Capsules (2mg capsule, 30 capsules) Loti Labs