GHK Cu Peptides Serum TryDeloura 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 Uses and Benefits #ghk GHK Cu is a naturally occurring peptide in human plasma that declines with age. When used in injections (usually subcutaneous), it can offer various benefits: Skin Rejuvenation and Anti Aging: GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B Copper Peptides for Skin Copper Peptides for Face PLU Labs