When skin looks tired or patchy, it's often down to oxidative stress and excess melanin production. Medisco Meso Glutathione targets both. Known as the master antioxidant, glutathione helps: Brighten and Shop Melanin Ampoule for Even Skin Tone Jolie Day Spa Does Glutathione whiten skin? How to use it effectively DR Nguyen Giap Improved efficacy of linear glutathione peptide chaperon complexes on melanogenesis inhibition and transdermal delivery ScienceDirect