6 month GHK CU check in Main takeaway: skin transformation takes time. GHK CU peptide binds to copper and activates genes involved in wound healing, collagen synthesis, and skin remodeling. On the face, this translates 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 Amazon.com: The Youthful Copper Peptide Face Serum Collagen (Formula Same Buffet Plus Copper Peptides) Peptide Serum for Hydration, Anti Aging, Firmness, Skin Elasticity, Copper Elixir 30ML : Beauty & Personal Care 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 GHK Cu Peptide The benefits, side effects, and more [2026]