ghk-cu serum ingredients list PDRN for Firming & Skin Repair like bakuchiol extract Dermicu™ GHK-Cu Facial Serum –

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Purity: 9899% by HPLC

Several rarer inherited and acquired copper-dysregulation conditions can mimic or overlap with Wilsons disease, which is another reason that adding exogenous copper systemically without medical oversight is a poor idea

Currently, cellular senescence is understood as the response of cells to stress induced by both endogenous and exogenous factors, such as oncogenic factors, and genotoxic stress, telomere dysfunction, or mitochondrial degradation [11]

PMID 12577695

It is a matter of chemistry that does not favor oral delivery for this class of peptide