Tanning, dullness and pigmentation are often linked to oxidative stress and uneven melanin production , Glutathione works as a powerful antioxidant to help reduce this stress and support brighter, Full article: The central role of glutathione in the pathophysiology of human diseases KALILIGHT: anti pollution & lightening with stabilized glutathione Kalichem How glutathione acts to protect mammalian organisms from potentially toxic exogenous and endogenous compounds Ivory Research Tumor targeted glutathione oxidation catalysis with ruthenium nanoreactors against hypoxic osteosarcoma Nature Communications