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 Amazon.com: Skin Perfection Copper Peptide Serum GHK CU 1% for Face & Hair Copper Peptides for Skin, Hair, & Scalp 1% Blue Liquid for Face, Neck, Body, Scalp Multi Use Serum Booster with Cellular Glow Copper Peptide GHK Cu Serum for Face This is a product I purchased on Amazon, so I want to give it a quick review. *~Dumie GHK CU Facial Serum~* This is a Copper Peptide serum that is working amazingly for POV: you dont need skincare until you try Copper Peptides , Our 1% GHK Cu Copper Peptide Serum is back and its the one your routines been missing:, helps support firmer looking skin, Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum