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 Most people use GHK Cu way too early after microneedling and end up blunting the exact collagen signaling window theyre trying to trigger. In this video I break down the biology of why I wait around 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 Amazon.com: Peptiq GHK Cu Copper Peptide Micro Infusion Serum Kit 1 Month Supply 3 Vial System with Hyaluronic Acid for Glass Skin, Fuller Hair & Anti Aging Includes 0.25mm 24k Gold Cosmetic Facial Stamper :