Rejuvenate your skin with Joi's Anti Aging GHK Cu Peptide Skin Cream! Say hello to advanced cellular regeneration for tighter, more elastic skin, diminished wrinkles, and a reversal of thinning skin. Get ready Amazon.com: Copper Peptide Face Cream Anti Wrinkle 1.7 fl oz Copper Tripeptide 1, Repair, and Firming Daily Face Cream : Beauty & Personal Care What is GHK Cu Cream? GHK Cu is a topical peptide cream featuring copper peptides that support your skin's natural repair process. Backed by science, this ingredient offers a range of skin enhancing benefits: GHK Cu Cooper Peptide: The Complete Skin & Repair Guide (2026)