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 Can GHK Cu Be Taken Orally? Oral GHK Cu Bioavailability, Tablets & Copper Peptide Safety Neurogan Health Cu Peptide Before and After: What to Expect for Skin and Hair GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B GHK Cu Hair Growth