Let's talk about GHKU CU GHK Cu: The Regenerative Glow Peptide GHK Cu (Copper Peptide) is a naturally occurring peptide in your body that plays a powerful role in cellular repair, skin Close Blue Copper Peptides Ghk cu Powder Stock Photo 2682763743 Shutterstock Skin Perfection Ghk Cu Copper Peptide Powder 99.7% Pure Diy Ghk Powder to Make a Serum for Face Hair Scalp 1g We are celebrating 50 years of GHK Cu, the powerhouse peptide that changed the way we care for skin. Discovered in 1975, this tiny copper peptide has been making a big impact Amazon.com: GHK Cu Copper Peptide Powder 99.7%+ Pure Cosmetic Grade Ingredient for DIY Serums, Creams & Scalp Tonics Supports Collagen & Fuller Hair (1g) : Beauty & Personal Care