https://shop.ion-blue.com/ daily https://shop.ion-blue.com/products/ghk-cu-serum 2026-07-15T14:35:17-06:00 daily https://cdn.shopify.com/s/files/1/0964/6256/9838/files/ion-blue-ghk-cu-copper-peptide-serum-ingredient-transparency_webp.png?v=1782145472 ION BLUE GHK-Cu 0.10% Copper Peptide Serum Blue ION BLUE GHK-Cu serum bottle with ingredient descriptions listed beside it.