An injectable hydroxyapatite microsphere filler loaded with GHK Cu tripeptide for anti Inflammatory and antioxidant ScienceDirect 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 Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B AHK CU Dosage Guide: How Much to Use Daily Neurogan Health