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 GHK Cu Body Lotion 5000mg, Copper Peptide, 8oz Neurogan Health Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule GHK Cu Copper Peptide Skin & Healing Beverly Hills The Peptide Craze Ground Truths GHK Cu Peptide: What It Does for Body Composition and Metabolic Health