Topical GHK Cu vs Microneedling What's the Difference Eden 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 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 Best Products to Use After Microneedling: Micro Needling Crepey Skin Needling At Home with Copper Peptide Skin Needling Serums Skin Needling Results for Collagen Needle Effects Roller Treatment for Microneedling with Copper Peptide TikTok