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While free GHK-Cu is water-soluble, it struggles to cross the lipid-rich skin barrier
Your body isnt just a chemistry set
The gold coating is hypoallergenic, minimizing irritation even on sensitive skin
Nat Rev Rheumatol 12(12):716730 Uhlig K, Levey AS, Sarnak MJ (2003) Traditional cardiac risk factors in individuals with chronic kidney disease
Federal Food, Drug, and Cosmetic Act and the updated 2022 MoCRA (Modernization of Cosmetics Regulation Act), most cosmetic ingredients do not require FDA pre-market approval
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