Let's talk about one of my FAVORITE glow peptides: GHK Cu GHK Cu (Copper Peptide) is a naturally occurring peptide in your body that plays a HUGE role in healing, repair, and overall GHK Cu: The Peptide Everyone Is Injecting (Big Mistake?) Repost from @drkimspago Wait Copper Uglies made you quit your copper peptides?! Before you toss itlet's talk about what's actually happening. Most of the time, it's not the GHK Cu (copper 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 UPA GHK CU Anabolic Hyper