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Does GHK-Cu penetrate skin topically

10.1016/j.molcel.2022.03.022 Mol

Additional examinations utilizing ESR assessed the relative potential of GHK in neutralizing OH radicals compared to other antioxidants like carnosine and reduced glutathione (GSH), both recognized for their antioxidant capabilities

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However, topical products containing GHK-Cu (the copper-bound form of the same GHK peptide) are commercially available and work through the same follicle-stimulating mechanisms documented in this and other copper peptide studies