Copper Peptides Serum (GHK Cu) 0.10% Pure Formula Asterwood INTRODUCING A very hyped & controversial peptide that has made its way onto every Tik Tok & Instagram page GHK Cu Copper Peptide BUT in a topical serum infused Active just means the serum contains a functional, lab verified concentration of real GHK Cu copper peptide not just colour or trace copper. Our formula includes 300mg of pure GHK Cu (1% concentration) in GHK Cu Peptide Serum, Copper Peptide Serum with Hyaluronic Acid for Skin Tightening, Collagen Boosting & Deep Hydration, Advanced Topical Anti Aging Facial Serum TikTok Shop