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Proteomics 13 , 397406 (2014)
Arch Dis Child
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
Storage and Handling Requirements To safeguard the complex molecular bonds and prevent premature structural degradation of the 200mg lyophilized cake, all vials must be stored long-term in a freezer environment at -20C, completely shielded from light and ambient moisture
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