Copper Peptide FACE PLUMING SERUMPeptides, especially copper peptides, are essential chains of amino acids that occur naturally in the body and play a key role in maintaining healthy skin. As we age, their natural concentration in the skin decreases. Copper peptides are among the most extensively researched ingredients in modern skincare they help stimulate collagen and elastin production, support the skins natural renewal process, and contribute to a visibly smoother and firmer skin