Biossance Squalane + Copper Peptide Rapid Plumping Serum Restoracell with Copper Peptides, a Great Partner for Microneedling Vitali Skincare GHK Cu: My secret weapon for skin, hair, and healing, I use it two ways topical cream for my face, and subQ injections 3x a week., It boosts collagen, tightens skin, helps hair grow, and even GHK Cu copper peptides calm, repair, strengthen If your skin often feels: red or reactive irritated even from gentle skincare tight, dehydrated or burning tired and sensitive