Alibaba.com: GHK Cu Peptides Cosmetic Grade, Fast Delivery, Skin Care Powder Serum : Connect with verified suppliers offering CE, BV, ISO certified products for bulk orders. GHK Cu Topical vs Injection Which is the Better Copper Peptide Form? 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 DNA Code Botox Alternative Argireline Copper Peptide Wrinkle Reduce Serum Booster w Snap 8, Matrixyl 3000