SHIRUONI Copper Peptide Copper Peptide Face Cream – 50g. Copper peptides activate fibroblasts, promoting the synthesis of type I/III collagen and elastin. Formulated with hyaluronic acid, shea butter, vitamin C, and ceramides, it offers five-fold repair: firming and anti-aging, deep hydration, nourishing and softening, brightening skin tone, and strengthening the skin barrier.