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 This compound has been studied for over 50 years., Most people discovered it last year on social media., , In 1973, Dr. Loren Pickart identified GHK Cu, while studying why young blood could restore GHK Cu Peptide for Skin & Hair Facial Serum & Scalp Solution GHK CU Crepey Skin Escape GHK Cu Cooper Peptide: The Complete Skin & Repair Guide (2026) GHK Cu Copper Peptide Face Tonic for Firmer Looking Skin