GHK CU Before and After Pictures Topical GHK Cu Skin Results, Face Serum Reviews & Photo Results Neurogan Health 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 GHK Cu Copper Peptide Face Cream Anti Wrinkle Anti Aging, Repair, and Firming Daily Face Cream, 1.69 Fluid Ounce TikTok Shop 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 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