glutathione biosynthesis Scheme representing the and mechanism of regulation of Sulphate assimilation and glutathione synthesis

The mitochondrial sirtuin SIRT3, which requires NAD+ to function, activates enzymes that generate NADPH for glutathione regeneration [10]

Studies suggest 10-20 times higher tissue concentrations compared to topical application of equivalent amounts

Additionally, HGF displays pleiotropic functions in a variety of tissues and organs and therapeutic applications of investigational HGF drugs (application of new drugs developed on the basis of these HGF-mediated effects, for clinical therapy) have been tested in various diseases as described before

doi: 10.2217/fmb-2020-0074

Alt Text: GHK-Cu peptide evidence landscape comparing topical skin research, wound studies, formulation research, hair models, and injectable safety context

Wed rather point you to whats proven than sell you on whats speculative