Buy high quality GHK Cu 50mg (copper peptide) from the UK's leading store Pure Peptides UK GHK Cu peptide is the ultimate tool of biohacking your skin. Injectable GHK Cu peptide works as a repair signal inside your skin. And when the skin functions better, the visible effects follow: Reduced 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: I've been getting a lot of questions about GHK Cu, so here's a quick breakdown. GHK Cu is a copper peptide that naturally occurs in the body and plays a role in skin repair GHK Cu Peptide: What It Does for Body Composition and Metabolic Health GHK Cu Copper Peptide Hair & Scalp Serum