GHK Cu Neurogan + Health GHK CU Copper Peptide 120 MCG Tablets PrettyStick Ghk Cu Peptide Reconstitution 100 Mg and Dose TikTok Just started GHK Cu? Here's what to expect This isn't an overnight peptide, it builds Weeks 12: You may start noticing small shiftsskin feels a bit smoother, nails a little stronger Weeks 34: GHK Cu is the compound your body made at 25 and quietly stopped making. Most people find it in overpriced serums. Few understand what it actually does, or what happens when you're not