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Fitzpatrick, Denise Whitlock, and Shanae Wakefield
Applying degraded GHK-Cu delivers free copper ions and amino acid breakdown products instead of the active peptide complex at best, this produces zero collagen synthesis or wound healing benefit, and at worst, free copper can act as a pro-oxidant generating reactive oxygen species that cause irritation, redness, or hyperpigmentation
Proteomics 13 , 397406 (2014)
It can be difficult to consistently obtain all necessary nutrients through diet alone
Kattan, M
Arch Dis Child
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