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The enzymes that build and recycle glutathione become less active
Another common myth is that GHK-Cu will cause your skin to "purge," similar to how retinoids or acids can trigger breakouts when you first start using them
However, as reported concentrations of GSH are in the range of 0.2 mol/l in CSF and 1 mmol/l in brain tissue, 7 GSH in CSF would not appreciably change the MRS determination of GSH in brain tissue
GHK-Cu has the broadest base, with several decades of dermal, scalp and cosmetic-research publications, and a reasonable foundation in connective-tissue biology
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