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Description
It can be completely inactive

This results in the formation of products, including isothiocyanates, nitriles, and thiocyanates (Kissen et al., 2009)

GHK-Cu topical: 1 %3 % for skin, 0.5 % for scalp AHK-Cu topical: 0.05 %0.1 % is standard in most hair serums - note this is much lower than GHK-Cu percentages Injectable AHK-Cu: less well characterised

In a dysregulated system, it tends to promote regulation
The comparison between injectable versus oral peptide delivery explains the pharmacokinetic differences between these routes
