GHK-Cu (glycyl-L-histidyl-L-lysine copper) is a naturally occurring copper peptide studied for its role in skin appearance
In some embodiments, the otic formulation or composition comprises about 0.09% by weight of the povidone
doi:10.1161/circulationaha.111.050773
But biology doesn't work that way
Nagabushan S, Lau LMS, Barahona P, Wong M, Sherstyuk A, Marshall GM, et al
Blots were blocked with phosphate buffered saline with 0.1% Tween 20 and then binding with antibodies for eNOS (1: 1000) or caveolin-1 (1: 1000), followed by horseradish peroxidase-conjugated goat anti-rabbit (diluted 1: 5000) and enhanced chemiluminescence reaction was performed for blots development