The acidic pH these products require may destabilize the copper-peptide bond, and the exfoliating action may remove copper peptides from the skin before they can be absorbed
Hydroquinone and other skin lighteners work for those with dark pigmentation under their eyes (although do seek a doctors opinion first because usually darkness under the eyes is actually very thin skin with blood vessels showing through it and lightening agents will not help, but could hurt thin skin) 5
Progress in Retinal and Eye Research , 34 , 1948
Dissolve the 20mg lyophilized powder in 0.5ml DMSO, then slowly add this mixture drop-by-drop to 3.5ml of bacteriostatic water in a separate mixing vial (total 4ml solution)
Table 1 Retrospective studies that analyzed thyroid function in COVID-19 patients during admission
Gene Expression Modulation GHK-Cu has been shown to modify gene expression in damaged tissues, shifting patterns from those associated with aging and inflammation to those seen in younger, healthier tissues