Differential diagnosis For other causes of 5-oxoprolinuria, beside glutathione synthetase deficiency and 5-oxoprolinase deficiency [9, 29], please see Table 1
While more research is needed to understand how glutathione affects skin pigmentation, it appears to have potential as a natural skin-lightening agent
If you want the proven benefits discussed in the research, you must specifically look for "GHK-Cu" (or its alternative name, Copper Tripeptide-1) on the ingredient list
*This statement has not been evaluated by the Food and Drug Administration
Pineda-Pea EA, Martnez-Prez Y, Galicia-Moreno M, Navarrete A, Segovia J, Muriel P, Favari L, Castaeda-Hernndez G, Chvez-Pia AE (2018) Participation of the anti-inflammatory and antioxidative activity of docosahexaenoic acid on indomethacin-induced gastric injury model
DOI: 10.2174/138920306779025611