Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum Jumbo Size Healthy skin works best when it's supported on every level.interested? Please Read GHK Cu main ingredient It's a copper peptide your body naturally produces when you're young. It plays a key role in Amazon.com: Neurogan GHK Cu (Copper Peptide) Neck & Face Serum 1,200mcg (1 oz bottle) : Beauty & Personal Care GHK Cu Copper Peptide Benefits, Uses & Safety Intra V Copper Peptide GHK CU Serum with Hyaluronic Acid and Liberia Ubuy Botox in a Bottle? Meet GHK Cu: The Ultimate Prescription Only Copper Peptide Cream Looking for firmer, smoother, more radiant skin without irritation? GHK Cu (Copper Tripeptide 1) is a powerful regenerative ingredient that