GHK Cu Copper Peptide Benefits, Uses & Safety Intra V GHK Cu Peptide for Skin & Hair Facial Serum & Scalp Solution 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 GHK CU, Why this audio? Because injecting feels like a constant wasp sting so it takes me about 15 seconds to pin .2 mL. I dread this shot every night for that reason. Also, it leaves me bruised, so I