Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule 6 month GHK CU check in Main takeaway: skin transformation takes time. GHK CU peptide binds to copper and activates genes involved in wound healing, collagen synthesis, and skin remodeling. On the face, this translates Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum Glow from the inside out. GLOW Peptide Therapy is a powerful blend of BPC 157, TB 400, and GHK Cu designed to support collagen production, soften the appearance of fine lines, and improve skin