GHK Cu Peptide Benefits (And a Few Risks) Explained YouTube GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B 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) isn't just another trend. It's a naturally occurring peptide in our bodies that plays a vital role in healing, collagen production, skin regeneration, and even hair support. Here's all