GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B GHK Cu Peptides: Unlocking the Copper Peptide Revolution in Skin Care Cycling off my peptides Im using for skin health, and what Ive seen 2 weeks into my cycle off. , Ghk cu , Tb 500, BPC 157, The Jolie shower head was helpful and minimized the breakouts on my back. GHK Cu Peptide for Skin & Hair Facial Serum & Scalp Solution Full honest & unfiltered experience with GHK Cu 1 month after completing a 12 week cycle: Weeks 12: No noticeable changes. Weeks 34: Skin rash (rib area) worsened. Weeks 56: Extreme dryness, flaking,