Cellular Glow Copper Peptide GHK Cu Serum for Face Dripsy Meet your new skin secret: GHK Cu Topical Cream Available in 0.2%, 2%, and 4%, this copper peptide cream is your go to for next level skin wellness: Boosts Collagen 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 GHK Cu Peptide Regenerative & Cosmetic Research