Skin Firming Eye Cream: GHK LUXE with TriFactor Complex Eye Cream with DMAE for Crepey Skin, Dark Circles, Sagging Eye Skin, Crow's Feet, and Puffiness Around Eyes Peptide Eye Cream Before vs. after 3 months of GHK Cu peptide therapy smoother texture, more even tone, and skin that looks healthier overall. Small peptide, big difference Botox and GHK Cu work in completely different ways. Botox reduces wrinkles by relaxing the muscles in your face so they cannot contract as strongly. When the muscles stop moving as much, the Why is the injection site painful after administering GHK Cu (Glycyl L Histidyl L Lysine Copper) 2mg mixed with normal saline?