glutathione iv for skin whitening Lightening Glutathione Injections: Side Effects &
Description
BPC-157 appears to be an exception at least partially due to its inherent gastric stability

It is a research compound with preclinical data only -- no human clinical trials have been published

GHK Peptide as a Natural Modulator of Multiple Cellular Pathways in Skin Regeneration. BioMed Research International

Acknowledgements This work was supported by the National Science and Technology Major Projects (2008ZX10002003, 2012ZX10002002004, 2012ZX10004701, 2013ZX1000200, and 2017ZX10202201002)
