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 Side Effects, Complications, and Risk Profile Oral Liposomal Copper GHK Liposomal GHK Cu Supplement Powerock Pharma GHK CU 2500mcg 60 caps. 150 000mcg Copper Peptide (GHK Cu): Clinical Uses, Stability & Compounding Tips 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