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 Glutathione is such a critical soldier in our line of defense that our bodies make it themselves. We even have mechanisms that recycle and reuse it. But what happens when our toxic Amazon.com: Talsen Chemicals Reduced L Glutathione Powder DIY Cosmetic Grade Pure Glutathione Organic Powder for Skin, (2 Ounce 56 gram) : Health & Household Glutathione: Master Antioxidant, Reducing Oxidative Stress, and Detoxification Is glutathione safe?