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: Amazon.com: Skin Perfection Copper Peptide Serum GHK CU 1% for Face & Hair Copper Peptides for Skin, Hair, & Scalp 1% Blue Liquid for Face, Neck, Body, Scalp Multi Use Serum Booster with Seattle GHK Cu Peptide for Skin and Aesthetics GHK Cu in the NAD+ Push Patch: A Smarter Way to Stimulate Collagen, He Hi, Finch Unlocking the Power of Peptide Therapy: Your Guide to BPC 157, GHK Cu, AOD 9604, and GLP 1 Peptides at Gardenia Aesthetics & Wellness GHK CU 50 mg Superior Chains Research Labs