The GSH redox cycle The reduction of H 2 O 2 to H 2 O is catalyzed by Download Scientific Diagram A locally activatable sensor for robust quantification of organellar glutathione Nature Chemistry True or False? Glutathione isn't just a skin brightening agent, its power goes far beyond. From promoting healthy skin to reducing melanin production, this antioxidant hero works deep to Glutaredoxin catalysis requires two distinct glutathione interaction sites Nature Communications