GHK Cu is one of the most talked about peptides in aesthetics right now. But how much of what you have heard about it is actually true? Copper peptide, known as GHK Cu, has Ghk cu and skin peptides (topical) Skin regeneration and wrinkle reduction Longevity Protocols Copper Peptide Hair Growth Serum 10% GHK Cu & 5% AHK Cu Hairgenetix Amazon.com: Skin Perfection GHK CU Suero de pptidos de cobre para cara y cabello, pptido de cobre para la piel, el cabello y el cuero cabelludo, lquido azul al 1% para cara, GHK Cu Peptide Therapy Collagen & Skin Renewal