Medik8 Copper PCA Peptides 30mlReboot your skin with Copper PCA Peptides (previously known as Firewall), a revolutionary serum expertly formulated to recharge and energise skin for next generation anti ageing results. Centred around copper PCA, a mineral peptide patented by Medik8 for its unprecedented antioxidant power, this serum neutralises a broad spectrum of skin damaging free radicals to leave the complexion looking smooth, youthful and undeniably radiant. Think of it your