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2017 Mar;95(3):323-333

Most studies on glutathione's effects on skin whitening have been performed on animals or in the laboratory

Evidence grades used: Grade A Randomised controlled human trials Grade B Non-randomised human data or controlled clinical observation Grade C Animal models, multiple independent laboratories Grade D Animal models, single laboratory, or in vitro only Grade E Mechanistic inference, computational, or extrapolated 3.1 GHK-Cu (Glycyl-L-Histidyl-L-Lysine Copper Complex) What it is

It's a double-edged sword, and when the integrity of your research is on the line, that's a formidable risk

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