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 YouTube What is the optimal dosing regimen of GHKCu for topical skincare and woundhealing applications? 7% GHK CU ACCELERANT Platinum Skin Care