12 weeks in, and my skin has NEVER looked better! GHK peptides are doing their thing. Alright, I need to give you an updateit's been 12 weeks since I started using GHK Before vs. after 3 months of GHK Cu peptide therapy smoother texture, more even tone, and skin that looks healthier overall. Small peptide, big difference ZQ II GHK Cu Copper Peptide Serum Manufacturer Anti Aging & Skin Repair Wellness that works with your lifestyle Discover the Longevity Seriespersonalized wellness support designed to complement recovery, balance, energy, and overall well being. A proactive approach to feeling and functioning at your best.