GHKCu Day 1: Starting a Skin & Hair Repair Journey GHK CU Before and After Pictures Topical GHK Cu Skin Results, Face Serum Reviews & Photo Results Neurogan Health This is my third cycle on GHK Cu., My hair is growing. My nails are strong. My skin has improved. , And now Im focusing on those acne scars from my younger days., And honestly? Theyre starting to go Most people think GHK Cu works because it's a skin peptide. That's surface level thinking. #GHK Cu doesn't start with wrinkles, scars, or hairlines. It starts with cellular repair signalling. GHK Cu is a copper peptide