What you need to know before opting for Glutathione for skin whitening:, 1. Does Glutathione cause skin lightening? , There are no significant studies to prove the effectiveness of Glutathione as a Top 10 Benefits of Glutathione for Skin Miduty Glutathione for Skin Lightening : Does It Really Work? Isaac Luxe A Beginner's Guide to Glutathione Injections: What to Expect Skin safety should always come first. The Philippine Dermatological Society reminds the public that intravenous glutathione must not be used for skin whitening. It has weak evidence of effectiveness and carries