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This is the immune system recognizing the modified peptide as foreign and mounting a response against it

Although copper peptide skin care products have existed for over a decade, theyve only recently gained notable popularity especially among those interested in clean and/or green beauty products (i.e., those that are nontoxic, have simple ingredients, are cruelty-free, vegan, sustainable, etc.).1 2 But theyve also stepped into the spotlight due to their numerous potential applications

Limitations This review is limited by the structure of the existing literature

Its GHK-Cu anchor makes it a skin-and-connective-tissue-quality tool first, with the recovery peptides as supporting cast

And in eczema, levels drop significantly because those same Th2 cytokines, IL-4 and IL-13, actively suppress antimicrobial peptide production