Microneedling with GHK Cu is one of the most effective ways to stimulate collagen where your skin needs it most. The reason is simple: it's targeted. Microneedling creates micro injuries on the skin, and How to Use Copper Peptides with Microneedling Safely for Youthful Skin I'M FABULOUS COSMETICS Microneedling with GHK Cu is one of the most effective ways to stimulate collagen where your skin needs it most. The reason is simple: it's targeted. Microneedling creates micro injuries on the skin, and Old stretch marks and loose skin after weightloss : r Microneedling