GHK CU: The Peptide That Heals EVERYTHING (Full Breakdown) GHK Cu Blue Copper Peptide + Squalane Wrinkle Smoothing Treatment Caps Wonderlini exquisite skincare 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 Ive tried everything for thin brows and lashes., Serums. Oils. Peptides. You name it., Nothing worked until GHK Cu copper., Copper peptides dont just sit on the surface they actually signal the 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 Peptide Before and After Results