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 Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B What Is GHK Cu? The Copper Peptide That Rejuvenates Skin What Are Copper Peptides, Benefits, Uses, and How They Work Hubmed Amazon.com: Argireline Serum for Fine Lines & Wrinkles Advanced Peptide Face Serum with GHK Cu to Help Improve Skin Firmness & Texture 1 Fl Oz : Beauty & Personal Care Amazon.com: GHK Cu Copper Peptide Supplement, Anti Aging & Hair Growth Support, Improves Skin Elasticity & Firmness, Thicker, Fuller Hair, Easy Absorption, Precisely Dosed, 90 Vegan Capsules : Health & Household