Lets talk about GHK Cu beyond the marketing., Copper peptides are often positioned as anti inflammatory and universally regenerative., And in many patients, they are., But biology is not linear., GHK CU Copper Peptide, Face Cream, 2 oz (60 ml) GHK Cu 50 mg Copper Peptide Research Grade PRG Pptido de cobre GHK GHK Cu Tripptido 1 GHK Cu is a naturally occurring copper peptide known for its powerful role in skin repair, hair health, and cellular regeneration. Key Benefits: 1.Boosts Collagen & Elastin Helps improve skin firmness and elasticity.