GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B GHK Cu is a regenerative peptide that: Stimulates collagen + elastin Improves firmness + texture Speeds up healing after treatments Helps restore that healthy glow (not just fake GHK Cu: My secret weapon for skin, hair, and healing, I use it two ways topical cream for my face, and subQ injections 3x a week., It boosts collagen, tightens skin, helps hair grow, and even Unlocking the Secrets of GHK Cu: The Revolutionary Peptide for Youthfu 4 Powerful Peptides To Reduce Dark Circles, Wrinkles & Puffy Eye Vitali Skincare