GHK Cu is one of the most talked about peptides in aesthetics right now. But how much of what you have heard about it is actually true? Copper peptide, known as GHK Cu, has 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 GHK Cu Peptide (50mg) Advanced Skin Rejuvenation & Healing Support Glow Peptide Protocol GHK Cu, BPC 157, TB 500 Neurogan Health GHK CU Apollo Peptide Sciences GHK Cu Scalp Solution Empower Pharmacy