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GHK-Cu: Genomic Modulation and Extracellular Matrix Architecture Glycyl-L-histidyl-L-lysine (GHK) is a naturally occurring tripeptide found in high concentrations within human plasma, saliva, and urine
It helps remove toxins and free radicals from the skin
Peptides naturally occur in tissues like the gut , brain , muscles , and immune system , but can also be synthesized and modified for therapeutic or performance-enhancing purposes
Tamura T, Suzuki M, Hayashida K, Kobayashi Y, Yoshizawa J, Shibusawa T, Sano M, Hori S, Sasaki J
Epithelial permeability
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