GHK Cu Copper Peptide 0.5% (topical foam) Shell Medical GHK Cu Copper Peptide Supplement, Promotes Skin Repair, Reduces Wrinkles CTDE PARIVAR GHK Cu Peptide (50mg) Advanced Skin Rejuvenation & Healing Support GHK Cu 50 mg + bacteriostatic water SEMAXPOLSKA Chemical reagents and education Amazon.com: Neurogan GHK Cu Copper Peptide Hair & Scalp Serum 2400mg, 4% Copper Peptides Fast Absorbing, Water Based Formula for Hair Softness & Shine Cosmetic Dry Scalp Moisturizer Spray, Made in USA : A year ago I started working with a copper peptide called GHK Cu. Topically every night. And under my doctor's care, I went deeper than topicals with a low dose. The difference in