Little peptide, but a BIG job! GHK Cu is a naturally occurring copper peptide that gets a lot of attention in research because it's been reported to influence thousands of genes tied to GHK Cu Peptides: Unlocking the Copper Peptide Revolution in Skin Care Little peptide, but a BIG job! GHK Cu is a naturally occurring copper peptide that gets a lot of attention in research because it's been reported to influence thousands of genes tied to Synergy of GHKCu and hyaluronic acid on collagen IV upregulation via fibroblast and exvivo skin tests Jiang 2023 Journal of Cosmetic Dermatology Wiley Online Library
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