Copper Peptide Regenerating Serum for Glowing Skin and Hair GHK Cu Copper Peptide Skin & Healing Beverly Hills 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 I ran GHK Cu for 12 months so you dont have to (here are the results) 6 month GHK CU check in Main takeaway: skin transformation takes time. GHK CU peptide binds to copper and activates genes involved in wound healing, collagen synthesis, and skin remodeling. On the face, this translates