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 peptides from Transcend, and GHK Cu (Copper Tripeptide Serum) in Santa Barbara, CA Eternity Health Partners GHK Cu Peptides Serum TryDeloura Amazon.com: Neurogan GHK Cu Copper Peptide Hair & Scalp Serum 2400mg, 4% Copper Peptides Fast Absorbing, Water Based Formula for Hair Softness & Shine Cosmetic Dry Scalp Moisturizer Spray, Made in USA : Two Ingredients. Real Hair Transformations. How Neurogan Health's GHK Cu Serum Is Changing What Customers Expect From Hair Care Morningstar GHK Cu Peptide Progress: Week 3 Results