GHK Cu (Copper Peptide) is a naturally occurring peptide in the body that binds with copper to support cell repair and renewal. As we age, our levels decrease and thats where supplementation or GHK Cu is one of the most powerful regenerative peptides for skin, hair, and overall tissue health. GHK Cu supports collagen production, healing, and visible rejuvenation from within. It's commonly used to improve skin GHK CU 50mg Vial Copper Peptide Pure Bio Labs GHK Cu Copper Peptide Anti Aging Face Serum Deep Hydration & Skin Repair Serum Pptido de cobre GHK GHK Cu Tripptido 1 Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum