What is the comparison between microneedling with GHK cu (Gly His Lys Copper) versus Platelet Rich Plasma (PRP) for treating sagging skin? Microneedling Nanoskin Buy GHK Cu Cream 0.5% Copper Peptide Pure, Potent, USA Made Best Microneedling at Home: Micro Needling Kit Dermarolling at Home with Copper Peptide Skin Needling Serums Shop or Buy Skin Biology Microneedling Tool for Collagen Needle Effects Roller Treatment 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