GHK Cu (Copper Peptide) is a naturally occurring copper complex that decreases significantly as we age. This powerful peptide is known for its ability to upregulate the production of collagen and elastin, making Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule GHK Cu in the NAD+ Push Patch: A Smarter Way to Stimulate Collagen, He Hi, Finch Copper Peptides: Benefits, Results & Skincare Guide Glimmer Goddess